Publications 2024

Birkenes T, Furnes O, Lygre SHL, Solheim E, Årøen A, Knutsen G, Drogset JO, Heir S, Engebretsen L, Løken S, Visnes H (2024)
Previous cartilage surgery is associated with inferior patient-reported outcomes after knee arthroplasty
Knee Surg Sports Traumatol Arthrosc, 32 (2), 361-370
DOI 10.1002/ksa.12050, PubMed 38294966

Martin RK, Marmura H, Wastvedt S, Pareek A, Persson A, Moatshe G, Bryant D, Wolfson J, Engebretsen L, Getgood A (2024)
External validation of the Norwegian anterior cruciate ligament reconstruction revision prediction model using patients from the STABILITY 1 Trial
Knee Surg Sports Traumatol Arthrosc, 32 (2), 206-213
DOI 10.1002/ksa.12031, PubMed 38226736

Martin RK, Wastvedt S, Pareek A, Persson A, Visnes H, Fenstad AM, Moatshe G, Wolfson J, Lind M, Engebretsen L (2024)
Unsupervised Machine Learning of the Combined Danish and Norwegian Knee Ligament Registers: Identification of 5 Distinct Patient Groups With Differing ACL Revision Rates
Am J Sports Med, 52 (4), 881-891
DOI 10.1177/03635465231225215, PubMed 38343270

Moatshe G, Engebretsen L (2024)
Knee dislocations with vascular injuries - a review article
Dan Med J, 71 (3)
DOI 10.61409/A08230529, PubMed 38445318

Moatshe G, LaPrade CM, Fenstad AM, Persson A, LaPrade M, Martin RK, Engebretsen L, LaPrade RF (2024)
Rates of Subjective Failure After Both Isolated and Combined Posterior Cruciate Ligament Reconstruction: A Study From the Norwegian Knee Ligament Registry 2004-2021
Am J Sports Med, 3635465241238461 (in press)
DOI 10.1177/03635465241238461, PubMed 38551134

Putukian M, Blauwet C, Currie A, Gouttebarge V, McDuff D, Mountjoy ML, Sloan S, Bindra A, Budgett R, Engebretsen L, Purcell R (2024)
Social media impact on athlete mental health: #RealityCheck
Br J Sports Med (in press)
DOI 10.1136/bjsports-2023-107651, PubMed 38373828

Randsborg PH, Brinchmann JE, Owesen C, Engebretsen L, Birkenes T, Hanvold HA, Benth JŠ, Årøen A (2024)
Autologous Chondrocyte Implantation Is Not Better Than Arthroscopic Debridement for the Treatment of Symptomatic Cartilage Lesions of the Knee: Two-Year Results From a Randomized-Controlled Trial
Arthrosc Sports Med Rehabil, 6 (2), 100909
DOI 10.1016/j.asmr.2024.100909, PubMed 38495635

Urhausen AP, Grindem H, Engebretsen L, Grävare Silbernagel K, Axe MJ, Snyder-Mackler L, Risberg MA (2024)
The Delaware-Oslo ACL Cohort treatment algorithm yields superior outcomes to usual care 9-12 years after anterior cruciate ligament reconstruction
Knee Surg Sports Traumatol Arthrosc, 32 (2), 214-222
DOI 10.1002/ksa.12039, PubMed 38226690

Zegzdryn M, Moatshe G, Engebretsen L, Drogset JO, Lygre SHL, Visnes H, Persson A (2024)
Increased risk for early revision with quadriceps graft compared with patellar tendon graft in primary ACL reconstructions
Knee Surg Sports Traumatol Arthrosc, 32 (3), 656-665
DOI 10.1002/ksa.12081, PubMed 38375583

Publications 2023

Bailey SJ, Martindale R, Engebretsen L, Robson JP, Palmer D (2023)
Epidemiology of International Match Injuries in Scottish Rugby: A Prospective Cohort Study
Int J Sports Med, 44 (11), 805-812
DOI 10.1055/a-2038-3452, PubMed 37279793

Banovetz MT, Kennedy NI, LaPrade RF, Engebretsen L, Moatshe G (2023)
Biomechanical considerations for graft choice in anterior cruciate ligament reconstruction
Ann Jt, 8, 17
DOI 10.21037/aoj-22-50, PubMed 38529237

Birkenes T, Furnes O, Laastad Lygre SH, Solheim E, Aaroen A, Knutsen G, Drogset JO, Heir S, Engebretsen L, Loken S, Visnes H (2023)
The Long-Term Risk of Knee Arthroplasty in Patients with Arthroscopically Verified Focal Cartilage Lesions: A Linkage Study with the Norwegian Arthroplasty Register, 1999 to 2020
J Bone Joint Surg Am, 105 (12), 951-961
DOI 10.2106/JBJS.22.01174, PubMed 37104554

Drury A, Engebretsen L, Steffen K, Soligard T, Liu R, Forster BB (2023)
Utilization of Imaging for Severe Injuries at the Beijing 2022 Winter Olympic Games
Can Assoc Radiol J, 8465371231212110 (in press)
DOI 10.1177/08465371231212110, PubMed 37982309

Kooy CEVW, Jakobsen RB, Fenstad AM, Persson A, Visnes H, Engebretsen L, Ekås GR (2023)
Major Increase in Incidence of Pediatric ACL Reconstructions From 2005 to 2021: A Study From the Norwegian Knee Ligament Register
Am J Sports Med, 51 (11), 2891-2899
DOI 10.1177/03635465231185742, PubMed 37497771

Mansour D, Strauss MJ, Larmo A, Engebretsen L (2023)
Adolescent Athlete With Semimembranosus Tendinopathy Requiring Operative Intervention: A Case Report and Review of the Literature
Orthop J Sports Med, 11 (2), 23259671221147556
DOI 10.1177/23259671221147556, PubMed 36756170

Martin RK, Wastvedt S, Pareek A, Persson A, Visnes H, Fenstad AM, Moatshe G, Wolfson J, Lind M, Engebretsen L (2023)
Ceiling Effect of the Combined Norwegian and Danish Knee Ligament Registers Limits Anterior Cruciate Ligament Reconstruction Outcome Prediction
Am J Sports Med, 51 (9), 2324-2332
DOI 10.1177/03635465231177905, PubMed 37289071

Mountjoy M, Ackerman KE, Bailey DM, Burke LM, Constantini N, Hackney AC, Heikura IA, Melin A, Pensgaard AM, Stellingwerff T, Sundgot-Borgen J, Klungland Torstveit M, Jacobsen AU, Verhagen E, Budgett R, Engebretsen L, Erdener U (2023)
Avoiding the 'REDs Card'. We all have a role in the mitigation of REDs in athletes
Br J Sports Med, 57 (17), 1063-1064
DOI 10.1136/bjsports-2023-106749, PubMed 38155734

Mountjoy M, Ackerman KE, Bailey DM, Burke LM, Constantini N, Hackney AC, Heikura IA, Melin A, Pensgaard AM, Stellingwerff T, Sundgot-Borgen JK, Torstveit MK, Jacobsen AU, Verhagen E, Budgett R, Engebretsen L, Erdener U (2023)
2023 International Olympic Committee's (IOC) consensus statement on Relative Energy Deficiency in Sport (REDs)
Br J Sports Med, 57 (17), 1073-1097
DOI 10.1136/bjsports-2023-106994, PubMed 37752011

Mountjoy M, Junge A, Bindra A, Blauwet C, Budgett R, Currie A, Engebretsen L, Hainline B, McDuff D, Purcell R, Putukian M, Reardon CL, Soligard T, Gouttebarge V (2023)
Surveillance of athlete mental health symptoms and disorders: a supplement to the International Olympic Committee's consensus statement on injury and illness surveillance
Br J Sports Med, 57 (21), 1351-1360
DOI 10.1136/bjsports-2022-106687, PubMed 37468210

Oeding JF, Pareek A, Nieboer MJ, Rhodes NG, Tiegs-Heiden CA, Camp CL, Martin RK, Moatshe G, Engebretsen L, Sanchez-Sotelo J (2023)
A Machine Learning Model Demonstrates Excellent Performance in Predicting Subscapularis Tears Based on Pre-Operative Imaging Parameters Alone
Arthroscopy, 40 (4), 1044-1055
DOI 10.1016/j.arthro.2023.08.084, PubMed 37716627

Palmer D, Soligard T, Engebretsen L (2023)
Behind the podium and the glory: the IOC Olympian Health Cohort
Br J Sports Med, 57 (21), 1339-1340
DOI 10.1136/bjsports-2023-106830, PubMed 37399319

Soligard T, Palmer D, Steffen K, Lopes AD, Grek N, He X, Wang Y, Grant ME, Toresdahl BG, Gilgien M, Budgett R, Engebretsen L (2023)
Olympic Games during nationwide lockdown: sports injuries and illnesses, including COVID-19, at the Beijing 2022 Winter Olympics
Br J Sports Med (in press)
DOI 10.1136/bjsports-2023-107412, PubMed 37875331

Steinacker JM, van Mechelen W, Bloch W, Börjesson M, Casasco M, Wolfarth B, Knoke C, Papadopoulou T, Wendt J, Al Tunaiji H, Andresen D, Andrieieva O, Bachl N, Badtieva V, Beucher FJ, Blauwet CA, Casajus Mallen JA, Chang JH, Clénin G, Constantini N, Constantinou D, Di Luigi L, Declercq L, Doutreleau S, Drozdovska S et al. (2023)
Global Alliance for the Promotion of Physical Activity: the Hamburg Declaration
BMJ Open Sport Exerc Med, 9 (3), e001626
DOI 10.1136/bmjsem-2023-001626, PubMed 37533594

Toyooka S, Moatshe G, Persson A, Engebretsen L (2023)
Return to Pivoting Sports after Cartilage Repair Surgery of the Knee: A Scoping Review
Cartilage, 14 (1), 17-25
DOI 10.1177/19476035221141416, PubMed 36661094

Toyooka S, Persson A, LaPrade RF, Engebretsen L, Moatshe G (2023)
Injury Patterns in Posterolateral Corner Knee Injury
Orthop J Sports Med, 11 (8), 23259671231184468
DOI 10.1177/23259671231184468, PubMed 37663094

Publications 2022

Adachi T, Katagiri H, An JS, Engebretsen L, Tateishi U, Saida Y, Koga H, Yagishita K, Onishi K, Forster BB (2022)
Imaging-detected bone stress injuries at the Tokyo 2020 summer Olympics: epidemiology, injury onset, and competition withdrawal rate
BMC Musculoskelet Disord, 23 (1), 763
DOI 10.1186/s12891-022-05725-8, PubMed 35948918

Anderssen Ø, Engebretsen L, Larmo A (2022)
[Stress fracture of the calcaneus]
Tidsskr Nor Laegeforen, 142 (4)
DOI 10.4045/tidsskr.21.0613, PubMed 35239271

Berg B, Roos EM, Kise NJ, Engebretsen L, Holm I, Risberg MA (2022)
Muscle Strength and Osteoarthritis Progression After Surgery or Exercise for Degenerative Meniscal Tears: Secondary Analyses of a Randomized Trial
Arthritis Care Res (Hoboken), 74 (1), 70-78
DOI 10.1002/acr.24736, PubMed 34151533

Diermeier T, Rothrauff BB, Engebretsen L, Lynch AD, Ayeni OR, Paterno MV, Xerogeanes JW, Fu FH, Karlsson J, Musahl V, Svantesson E, Senorski EH, Rauer T, Meredith SJ, Panther Symposium ACL Treatment Consensus Group (2022)
Correction to: Treatment after anterior cruciate ligament injury: Panther Symposium ACL Treatment Consensus Group
Knee Surg Sports Traumatol Arthrosc, 30 (3), 1126
DOI 10.1007/s00167-020-06280-2, PubMed 32975622

Katagiri H, Forster BB, Engebretsen L, An JS, Adachi T, Saida Y, Onishi K, Koga H (2022)
Epidemiology of MRI-detected muscle injury in athletes participating in the Tokyo 2020 Olympic Games
Br J Sports Med, 57 (4), 218-24 (in press)
DOI 10.1136/bjsports-2022-105827, PubMed 36588405

LaPrade RF, DePhillipo NN, Dornan GJ, Kennedy MI, Cram TR, Dekker TJ, Strauss MJ, Engebretsen L, Lind M (2022)
Comparative Outcomes Occur After Superficial Medial Collateral Ligament Augmented Repair vs Reconstruction: A Prospective Multicenter Randomized Controlled Equivalence Trial
Am J Sports Med, 50 (4), 968-976
DOI 10.1177/03635465211069373, PubMed 35107354

LaPrade RF, Engebretsen L, Lind M (2022)
Comparative Outcomes After Superficial Medial Collateral Ligament Augmented Repair vs Reconstruction: Response
Am J Sports Med, 50 (12), NP53-NP54
DOI 10.1177/03635465221113587, PubMed 36177756

LaPrade RF, Geeslin AG, Chahla J, Cohen M, Engebretsen L, Faucett SC, Getgood AM, Inderhaug E, Johnson DL, Kopf S, Krych AJ, Larson CM, Lind M, Moatshe G, Murray IR, Musahl V, Negrin R, Riboh JC, Seil R, Spalding T (2022)
Posterior Lateral Meniscal Root and Oblique Radial Tears: The Biomechanical Evidence Supports Repair of These Tears, Although Long-Term Clinical Studies Are Necessary
Arthroscopy, 38 (12), 3095-3101
DOI 10.1016/j.arthro.2022.09.015, PubMed 36462774

Martin RK, Wastvedt S, Pareek A, Persson A, Visnes H, Fenstad AM, Moatshe G, Wolfson J, Engebretsen L (2022)
Predicting Anterior Cruciate Ligament Reconstruction Revision: A Machine Learning Analysis Utilizing the Norwegian Knee Ligament Register
J Bone Joint Surg Am, 104 (2), 145-153
DOI 10.2106/JBJS.21.00113, PubMed 34662318

Martin RK, Wastvedt S, Pareek A, Persson A, Visnes H, Fenstad AM, Moatshe G, Wolfson J, Engebretsen L (2022)
Predicting subjective failure of ACL reconstruction: a machine learning analysis of the Norwegian Knee Ligament Register and patient reported outcomes
J ISAKOS, 7 (3), 1-9
DOI 10.1016/j.jisako.2021.12.005, PubMed 36178391

Martin RK, Wastvedt S, Pareek A, Persson A, Visnes H, Fenstad AM, Moatshe G, Wolfson J, Lind M, Engebretsen L (2022)
Machine learning algorithm to predict anterior cruciate ligament revision demonstrates external validity
Knee Surg Sports Traumatol Arthrosc, 30 (2), 368-375
DOI 10.1007/s00167-021-06828-w, PubMed 34973096

Martowicz M, Budgett R, Pape M, Mascagni K, Engebretsen L, Dienstbach-Wech L, Pitsiladis YP, Pigozzi F, Erdener U (2022)
Position statement: IOC framework on fairness, inclusion and non-discrimination on the basis of gender identity and sex variations
Br J Sports Med, 57 (1), 26-32
DOI 10.1136/bjsports-2022-106386, PubMed 36526281

Midttun E, Andersen MT, Engebretsen L, Visnes H, Fenstad AM, Gjertsen JE, Persson A (2022)
Good validity in the Norwegian Knee Ligament Register: assessment of data quality for key variables in primary and revision cruciate ligament reconstructions from 2004 to 2013
BMC Musculoskelet Disord, 23 (1), 231
DOI 10.1186/s12891-022-05183-2, PubMed 35264137

Nilsen DH, Furnes O, Kroken G, Robsahm TE, Johnsen MB, Engebretsen L, Nordsletten L, Bahr R, Lie SA (2022)
Risk of total hip arthroplasty after elite sport: linking 3304 former world-class athletes with the Norwegian Arthroplasty Register
Br J Sports Med, 57 (1), 33-9 (in press)
DOI 10.1136/bjsports-2022-105575, PubMed 36588424

Palmer D, Cooper D, Whittaker JL, Emery C, Batt ME, Engebretsen L, Schamasch P, Shroff M, Soligard T, Steffen K, Budgett R (2022)
Prevalence of and factors associated with osteoarthritis and pain in retired Olympians compared with the general population: part 2 - the spine and upper limb
Br J Sports Med (in press)
DOI 10.1136/bjsports-2021-104978, PubMed 35961762

Pedersen M, Grindem H, Berg B, Engebretsen L, Axe MJ, Snyder-Mackler L, Risberg MA (2022)
Four Distinct 5-Year Trajectories of Knee Function Emerge in Patients Who Followed the Delaware-Oslo ACL Cohort Treatment Algorithm
Am J Sports Med, 50 (11), 2944-2952
DOI 10.1177/03635465221116313, PubMed 35975945

Racinais S, Hosokawa Y, Akama T, Bermon S, Bigard X, Casa DJ, Grundstein A, Jay O, Massey A, Migliorini S, Mountjoy M, Nikolic N, Pitsiladis YP, Schobersberger W, Steinacker JM, Yamasawa F, Zideman DA, Engebretsen L, Budgett R (2022)
IOC consensus statement on recommendations and regulations for sport events in the heat
Br J Sports Med, 57 (1), 8-25
DOI 10.1136/bjsports-2022-105942, PubMed 36150754

Schneider KJ, Patricios J, Echemendia RJ, Makdissi M, Davis GA, Ahmed OH, Blauwet C, Dvorak J, Engebretsen L, Organising Committee (2022)
Concussion in sport: the consensus process continues
Br J Sports Med, 56 (19), 1059-60 (in press)
DOI 10.1136/bjsports-2022-105673, PubMed 35523538

Schwellnus M, Adami PE, Bougault V, Budgett R, Clemm HH, Derman W, Erdener U, Fitch K, Hull JH, McIntosh C, Meyer T, Pedersen L, Pyne DB, Reier-Nilsen T, Schobersberger W, Schumacher YO, Sewry N, Soligard T, Valtonen M, Webborn N, Engebretsen L (2022)
International Olympic Committee (IOC) consensus statement on acute respiratory illness in athletes part 2: non-infective acute respiratory illness
Br J Sports Med (in press)
DOI 10.1136/bjsports-2022-105567, PubMed 35623888

Schwellnus M, Adami PE, Bougault V, Budgett R, Clemm HH, Derman W, Erdener U, Fitch K, Hull JH, McIntosh C, Meyer T, Pedersen L, Pyne DB, Reier-Nilsen T, Schobersberger W, Schumacher YO, Sewry N, Soligard T, Valtonen M, Webborn N, Engebretsen L (2022)
International Olympic Committee (IOC) consensus statement on acute respiratory illness in athletes part 1: acute respiratory infections
Br J Sports Med (in press)
DOI 10.1136/bjsports-2022-105759, PubMed 35863871

Soligard T, Palmer D, Steffen K, Lopes AD, Grek N, Onishi K, Shimakawa T, Grant ME, Mountjoy M, Budgett R, Engebretsen L (2022)
New sports, COVID-19 and the heat: sports injuries and illnesses in the Tokyo 2020 Summer Olympics
Br J Sports Med (in press)
DOI 10.1136/bjsports-2022-106155, PubMed 36588430

Visnes H, Gifstad T, Persson A, Lygre SHL, Engebretsen L, Drogset JO, Furnes O (2022)
ACL Reconstruction Patients Have Increased Risk of Knee Arthroplasty at 15 Years of Follow-up: Data from the Norwegian Knee Ligament Register and the Norwegian Arthroplasty Register from 2004 to 2020
JB JS Open Access, 7 (2)
DOI 10.2106/JBJS.OA.22.00023, PubMed 35747170

Publications 2021

Alizai H, Engebretsen L, Jarraya M, Roemer FW, Guermazi A (2021)
Wrist injuries detected on magnetic resonance imaging in athletes participating in the Rio de Janeiro 2016 Summer Olympic Games
Quant Imaging Med Surg, 11 (7), 3244-3251
DOI 10.21037/qims-20-1121, PubMed 34249650

Berg B, Roos EM, Kise NJ, Engebretsen L, Holm I, Risberg MA (2021)
On a Trajectory for Success-9 in Every 10 People With a Degenerative Meniscus Tear Have Improved Knee Function Within 2 Years After Treatment: A Secondary Exploratory Analysis of a Randomized Controlled Trial
J Orthop Sports Phys Ther, 51 (6), 289-297
DOI 10.2519/jospt.2021.10025, PubMed 33971735

DePhillipo NN, Dean RS, Engebretsen L, Larson CM, Monson J, LaPrade RF (2021)
High incidence of acute self-reported sleep disturbances in patients following arthroscopic-assisted knee surgery
J ISAKOS, 6 (5), 259-264
DOI 10.1136/jisakos-2020-000594, PubMed 34272330

DePhillipo NN, Kane PW, Engebretsen L (2021)
Stress Radiographs for Ligamentous Knee Injuries
Arthroscopy, 37 (1), 15-16
DOI 10.1016/j.arthro.2020.11.001, PubMed 33384079

Diermeier T, Rothrauff BB, Engebretsen L, Lynch AD, Svantesson E, Hamrin Senorski E, Rauer T, Meredith SJ, Ayeni OR, Paterno MV, Xerogeanes JW, Fu FH, Karlsson J, Musahl V, Panther Symposium ACL Treatment Consensus Group (2021)
Treatment after anterior cruciate ligament injury: Panther Symposium ACL Treatment Consensus Group
J ISAKOS, 6 (3), 129-137
DOI 10.1136/jisakos-2020-000493, PubMed 34006576

Engebretsen L (2021)
Be aware: new rules for corticosteroids!
Br J Sports Med, 55 (11), 575-576
DOI 10.1136/bjsports-2021-104099, PubMed 33906897

Jarraya M, Roemer FW, Engebretsen L, Kompel AJ, Small KM, Smith SE, Guermazi A (2021)
Association of markers of patellofemoral maltracking to cartilage damage and bone marrow lesions on MRI: Data from the 2016 Olympic Games of Rio De Janeiro
Eur J Radiol Open, 8, 100381
DOI 10.1016/j.ejro.2021.100381, PubMed 34660850

Kompel A, Haran PH, Murakami AM, Engebretsen L, Jarraya M, Roemer F, Guermazi A (2021)
MRI-Detected Knee Ligament Sprains and Associated Internal Derangement in Athletes Competing at the Rio de Janeiro 2016 Summer Olympics
Open Access J Sports Med, 12, 23-32
DOI 10.2147/OAJSM.S292763, PubMed 33727869

Martin RK, Ekås GR, Benth J, Kennedy N, Moatshe G, Krych AJ, Engebretsen L (2021)
Change in Posterior Tibial Slope in Skeletally Immature Patients With Anterior Cruciate Ligament Injury: A Case Series With a Mean 9 Years' Follow-up
Am J Sports Med, 49 (5), 1244-1250
DOI 10.1177/0363546521997097, PubMed 33683924

Martin RK, Pareek A, Krych AJ, Maradit Kremers H, Engebretsen L (2021)
Machine learning in sports medicine: need for improvement
J ISAKOS, 6 (1), 1-2
DOI 10.1136/jisakos-2020-000572, PubMed 33833038

Martin RK, Persson A, Moatshe G, Fenstad AM, Engebretsen L, Drogset JO, Visnes H (2021)
Low annual hospital volume of anterior cruciate ligament reconstruction is not associated with higher revision rates
Knee Surg Sports Traumatol Arthrosc, 30 (5), 1575-1583
DOI 10.1007/s00167-021-06655-z, PubMed 34236479

Merritt A, Roemer FW, Heiss R, Jarraya M, Guermazi D, Hayashi D, Engebretsen L, Crema MD, Guermazi A (2021)
Frequency of MRI-detected peripheral osteoarthritis in athletes during the Summer Olympics in Rio 2016
Osteoarthr Cartil Open, 3 (4), 100199
DOI 10.1016/j.ocarto.2021.100199, PubMed 36474759

Moatshe G, Floyd ER, Martin RK, Engebretsen L, LaPrade RF (2021)
Emerging Topics in ACL Graft Selection: Best Evidence for the Use of Quadriceps Tendon Graft
Oper. Tech. Sports Med., 29 (2), 150835
DOI 10.1016/j.otsm.2021.150835

Moatshe G, Kweon CY, Gee AO, Engebretsen L (2021)
Anterior cruciate ligament reconstruction is not for all-a need for improved patient selection
Br J Sports Med, 55 (22), 1245-1246
DOI 10.1136/bjsports-2021-104304, PubMed 34103335

Moksnes H, Ardern CL, Kvist J, Engebretsen L, Risberg MA, Myklebust G, Grindem H (2021)
Assessing implementation, limited efficacy, and acceptability of the BEAST tool: A rehabilitation and return-to-sport decision tool for nonprofessional athletes with anterior cruciate ligament reconstruction
Phys Ther Sport, 52, 147-154
DOI 10.1016/j.ptsp.2021.08.011, PubMed 34492443

Mouton C, Moksnes H, Janssen R, Fink C, Zaffagnini S, Monllau JC, Ekås G, Engebretsen L, Seil R (2021)
Preliminary experience of an international orthopaedic registry: the ESSKA Paediatric Anterior Cruciate Ligament Initiative (PAMI) registry
J Exp Orthop, 8 (1), 45
DOI 10.1186/s40634-021-00366-7, PubMed 34173077

Palmer D, Engebretsen L, Carrard J, Grek N, Königstein K, Maurer DJ, Roos T, Stollenwerk L, Tercier S, Weinguni R, Soligard T (2021)
Sports injuries and illnesses at the Lausanne 2020 Youth Olympic Winter Games: a prospective study of 1783 athletes from 79 countries
Br J Sports Med, 55 (17), 968-974
DOI 10.1136/bjsports-2020-103514, PubMed 33658186

Pedersen M, Grindem H, Berg B, Gunderson R, Engebretsen L, Axe MJ, Snyder-Mackler L, Risberg MA (2021)
Low Rates of Radiographic Knee Osteoarthritis 5 Years After ACL Reconstruction or Rehabilitation Alone: The Delaware-Oslo ACL Cohort Study
Orthop J Sports Med, 9 (8), 23259671211027530
DOI 10.1177/23259671211027530, PubMed 34423060

Pedersen M, Grindem H, Johnson JL, Engebretsen L, Axe MJ, Snyder-Mackler L, Risberg MA (2021)
Clinical, Functional, and Physical Activity Outcomes 5 Years Following the Treatment Algorithm of the Delaware-Oslo ACL Cohort Study
J Bone Joint Surg Am, 103 (16), 1473-1481
DOI 10.2106/JBJS.20.01731, PubMed 33999877

Stenseth OMR, Barli SF, Martin RK, Engebretsen L (2021)
Injuries in elite women's ski jumping: a cohort study following three International Ski Federation (FIS) World Cup seasons from 2017-2018 to 2019-2020
Br J Sports Med, 56 (1), 35-40
DOI 10.1136/bjsports-2021-104198, PubMed 34893472

Strauss M, Kennedy ML, Brady A, Moatshe G, Chahla J, LaPrade RF, Lind M, Engebretsen L (2021)
Qualitative and Quantitative Anatomy of the Human Quadriceps Tendon in Young Cadaveric Specimens
Orthop J Sports Med, 9 (9), 23259671211037305
DOI 10.1177/23259671211037305, PubMed 34541017

Strauss MJ, Miles JW, Kennedy ML, Dornan GJ, Moatshe G, Lind M, Engebretsen L, LaPrade RF (2021)
Full thickness quadriceps tendon grafts with bone had similar material properties to bone-patellar tendon-bone and a four-strand semitendinosus grafts: a biomechanical study
Knee Surg Sports Traumatol Arthrosc, 30 (5), 1786-1794
DOI 10.1007/s00167-021-06738-x, PubMed 34591124

Thornton JS, Patricios J, Kemp J, Engebretsen L, Drezner J (2021)
Robin Hood in SEM? What can we take from elite sport to give back to wider public health?
Br J Sports Med, 55 (17), 949-950
DOI 10.1136/bjsports-2021-104266, PubMed 33795227

Ulstein S, Årøen A, Engebretsen L, Forssblad M, Røtterud JH (2021)
Effect of Concomitant Meniscal Lesions and Meniscal Surgery in ACL Reconstruction With 5-Year Follow-Up: A Nationwide Prospective Cohort Study From Norway and Sweden of 8408 Patients
Orthop J Sports Med, 9 (10), 23259671211038375
DOI 10.1177/23259671211038375, PubMed 34722785

Publications 2020

Abdalkader M, Guermazi A, Engebretsen L, Roemer FW, Jarraya M, Hayashi D, Crema MD, Mian AZ (2020)
MRI-detected spinal disc degenerative changes in athletes participating in the Rio de Janeiro 2016 Summer Olympics games
BMC Musculoskelet Disord, 21 (1), 45
DOI 10.1186/s12891-020-3057-3, PubMed 31959161

Ahmad Z, Murakami AM, Engebretsen L, Jarraya M, Roemer FW, Guermazi A, Kompel AJ (2020)
Knee cartilage damage and concomitant internal derangement on MRI in athletes competing at the Rio de Janeiro 2016 Summer Olympics
Eur J Radiol Open, 7, 100258
DOI 10.1016/j.ejro.2020.100258, PubMed 32984449

Bahr R, Clarsen B, Derman W, Dvorak J, Emery CA, Finch CF, Hägglund M, Junge A, Kemp S, Khan KM, Marshall SW, Meeuwisse W, Mountjoy M, Orchard JW, Pluim B, Quarrie KL, Reider B, Schwellnus M, Soligard T, Stokes KA, Timpka T, Verhagen E, Bindra A, Budgett R, Engebretsen L et al. (2020)
International Olympic Committee consensus statement: methods for recording and reporting of epidemiological data on injury and illness in sport 2020 (including STROBE Extension for Sport Injury and Illness Surveillance (STROBE-SIIS))
Br J Sports Med, 54 (7), 372-389
DOI 10.1136/bjsports-2019-101969, PubMed 32071062

Berg B, Roos EM, Englund M, Kise NJ, Tiulpin A, Saarakkala S, Engebretsen L, Eftang CN, Holm I, Risberg MA (2020)
Development of osteoarthritis in patients with degenerative meniscal tears treated with exercise therapy or surgery: a randomized controlled trial
Osteoarthritis Cartilage, 28 (7), 897-906
DOI 10.1016/j.joca.2020.01.020, PubMed 32184135

Berg B, Roos EM, Kise NJ, Engebretsen L, Risberg MA (2020)
Response to Letter to the Editor: "Osteoarthritis progression after exercise therapy or meniscectomy in patients with degenerative meniscal tears"
Osteoarthritis Cartilage, 28 (8), 1148-1149
DOI 10.1016/j.joca.2020.05.003, PubMed 32416222

DePhillipo NN, Dornan GJ, Dekker TJ, Aman ZS, Engebretsen L, LaPrade RF (2020)
Clinical Characteristics and Outcomes After Primary ACL Reconstruction and Meniscus Ramp Repair
Orthop J Sports Med, 8 (4), 2325967120912427
DOI 10.1177/2325967120912427, PubMed 32426400

Diermeier T, Rothrauff BB, Engebretsen L, Lynch AD, Ayeni OR, Paterno MV, Xerogeanes JW, Fu FH, Karlsson J, Musahl V, Panther Symposium ACL Treatment Consensus Group, Brown CH, Chmielewski TL, Clatworthy M, Villa SD, Ernlund L, Fink C, Getgood A, Hewett TE, Ishibashi Y, Johnson DL, Macalena JA, Marx RG, Menetrey J, Meredith SJ et al. (2020)
Treatment After Anterior Cruciate Ligament Injury: Panther Symposium ACL Treatment Consensus Group
Orthop J Sports Med, 8 (6), 2325967120931097
DOI 10.1177/2325967120931097, PubMed 32637434

Diermeier T, Rothrauff BB, Engebretsen L, Lynch AD, Ayeni OR, Paterno MV, Xerogeanes JW, Fu FH, Karlsson J, Musahl V, Svantesson E, Hamrin Senorski E, Rauer T, Meredith SJ, Panther Symposium ACL Treatment Consensus Group (2020)
Treatment after anterior cruciate ligament injury: Panther Symposium ACL Treatment Consensus Group
Knee Surg Sports Traumatol Arthrosc, 28 (8), 2390-2402
DOI 10.1007/s00167-020-06012-6, PubMed 32388664

Diermeier TA, Rothrauff BB, Engebretsen L, Lynch A, Svantesson E, Hamrin Senorski EA, Meredith SJ, Rauer T, Ayeni OR, Paterno M, Xerogeanes JW, Fu FH, Karlsson J, Musahl V, Panther Symposium ACL Treatment Consensus Group (2020)
Treatment after ACL injury: Panther Symposium ACL Treatment Consensus Group
Br J Sports Med, 55 (1), 14-22
DOI 10.1136/bjsports-2020-102200, PubMed 32661128

Ekås GR, Ardern CL, Grindem H, Engebretsen L (2020)
Evidence too weak to guide surgical treatment decisions for anterior cruciate ligament injury: a systematic review of the risk of new meniscal tears after anterior cruciate ligament injury
Br J Sports Med, 54 (9), 520-527
DOI 10.1136/bjsports-2019-100956, PubMed 31959673

Engebretsen L (2020)
Editorial Commentary: The Anterior Cruciate Ligament Cannot be Reliably Repaired: Studies With a Control Group are Needed!
Arthroscopy, 36 (2), 613-614
DOI 10.1016/j.arthro.2019.12.015, PubMed 32014189

Engebretsen L, Moatshe G (2020)
Arthroscopic partial meniscectomy for degenerative meniscus tears in middle age patients: why surgeons should change their approach
Br J Sports Med, 54 (22), 1311-1312
DOI 10.1136/bjsports-2020-103330, PubMed 32972980

Gouttebarge V, Bindra A, Blauwet C, Campriani N, Currie A, Engebretsen L, Hainline B, Kroshus E, McDuff D, Mountjoy M, Purcell R, Putukian M, Reardon CL, Rice SM, Budgett R (2020)
International Olympic Committee (IOC) Sport Mental Health Assessment Tool 1 (SMHAT-1) and Sport Mental Health Recognition Tool 1 (SMHRT-1): towards better support of athletes' mental health
Br J Sports Med, 55 (1), 30-37
DOI 10.1136/bjsports-2020-102411, PubMed 32948518

Grindem H, Engebretsen L, Axe M, Snyder-Mackler L, Risberg MA (2020)
Activity and functional readiness, not age, are the critical factors for second anterior cruciate ligament injury - the Delaware-Oslo ACL cohort study
Br J Sports Med, 54 (18), 1099-1102
DOI 10.1136/bjsports-2019-100623, PubMed 32046955

International Olympic Committee Injury and Illness Epidemiology Consensus Group, Bahr R, Clarsen B, Derman W, Dvorak J, Emery CA, Finch CF, Hägglund M, Junge A, Kemp S, Khan KM, Marshall SW, Meeuwisse W, Mountjoy M, Orchard JW, Pluim B, Quarrie KL, Reider B, Schwellnus M, Soligard T, Stokes KA, Timpka T, Verhagen E, Bindra A, Budgett R et al. (2020)
International Olympic Committee Consensus Statement: Methods for Recording and Reporting of Epidemiological Data on Injury and Illness in Sports 2020 (Including the STROBE Extension for Sports Injury and Illness Surveillance (STROBE-SIIS))
Orthop J Sports Med, 8 (2), 2325967120902908
DOI 10.1177/2325967120902908, PubMed 32118084

Kennedy MI, Moatshe G, Engebretsen L (2020)
Global Forum: Orthopaedic Physicians in the Winter and Summer Olympic Games
J Bone Joint Surg Am, 102 (11), e52
DOI 10.2106/JBJS.19.01245, PubMed 32187122

Kon E, Engebretsen L, Verdonk P, Nehrer S, Filardo G (2020)
Autologous Protein Solution Injections for the Treatment of Knee Osteoarthritis: 3-Year Results
Am J Sports Med, 48 (11), 2703-2710
DOI 10.1177/0363546520944891, PubMed 32870042

Krogsgaard MR, Brodersen J, Christensen KB, Siersma V, Jensen J, Hansen CF, Engebretsen L, Visnes H, Forssblad M, Comins JD (2020)
How to translate and locally adapt a PROM. Assessment of cross-cultural differential item functioning
Scand J Med Sci Sports, 31 (5), 999-1008
DOI 10.1111/sms.13854, PubMed 33089516

LaPrade RF, Engebretsen L (2020)
Editorial Commentary: Those Who Don't Know History Are Condemned to Repeat It-What Are the Next Steps to Improve Posterolateral Knee Outcomes?
Arthroscopy, 36 (5), 1386-1389
DOI 10.1016/j.arthro.2020.02.011, PubMed 32370900

LaPrade RF, Spalding T, Murray IR, Chahla J, Safran MR, Larson CM, Faucett SC, von Bormann R, Brophy RH, Maestu R, Krych AJ, Firer P, Engebretsen L (2020)
Knee arthroscopy: evidence for a targeted approach
Br J Sports Med, 55 (13), 707-708
DOI 10.1136/bjsports-2020-103742, PubMed 33288619

Lind M, Strauss M, Nielsen T, Engebretsen L (2020)
Response letter to "Higher re-rupture rate in quadriceps tendon ACL reconstruction surgeries performed in Denmark: let's return to the mean" by Matthieu Ollivier (Knee Surg Sports Traumatol Arthrosc. doi: 10.1007/s00167-019-05751-5)
Knee Surg Sports Traumatol Arthrosc, 28 (11), 3657-3658
DOI 10.1007/s00167-020-06042-0, PubMed 32377795

Lind M, Strauss MJ, Nielsen T, Engebretsen L (2020)
Low surgical routine increases revision rates after quadriceps tendon autograft for anterior cruciate ligament reconstruction: results from the Danish Knee Ligament Reconstruction Registry
Knee Surg Sports Traumatol Arthrosc, 29 (6), 1880-1886
DOI 10.1007/s00167-020-06220-0, PubMed 32886156

Lystad RP, Alevras A, Rudy I, Soligard T, Engebretsen L (2020)
Injury incidence, severity and profile in Olympic combat sports: a comparative analysis of 7712 athlete exposures from three consecutive Olympic Games
Br J Sports Med, 55 (19), 1077-1083
DOI 10.1136/bjsports-2020-102958, PubMed 33219113

Meredith SJ, Rauer T, Chmielewski TL, Fink C, Diermeier T, Rothrauff BB, Svantesson E, Hamrin Senorski E, Hewett TE, Sherman SL, Lesniak BP, Panther Symposium ACL Injury Return to Sport Consensus Group, Bizzini M, Chen S, Cohen M, Villa SD, Engebretsen L, Feng H, Ferretti M, Fu FH, Imhoff AB, Kaeding CC, Karlsson J, Kuroda R, Lynch AD et al. (2020)
Return to Sport After Anterior Cruciate Ligament Injury: Panther Symposium ACL Injury Return to Sport Consensus Group
Orthop J Sports Med, 8 (6), 2325967120930829
DOI 10.1177/2325967120930829, PubMed 32647735

Moatshe G, Vap AR, Getgood A, LaPrade RF, Engebretsen L (2020)
Medial-Sided Injuries in the Multiple Ligament Knee Injury
J Knee Surg, 33 (5), 431-439
DOI 10.1055/s-0039-3402768, PubMed 32074659

Mountjoy M, Moran J, Ahmed H, Bermon S, Bigard X, Doerr D, Lacoste A, Miller S, Weber A, Foster J, Budgett R, Engebretsen L, Burke LM, Gouttebarge V, Grant ME, McCloskey B, Piccininni P, Racinais S, Stuart M, Zideman D (2020)
Athlete health and safety at large sporting events: the development of consensus-driven guidelines
Br J Sports Med, 55 (4), 191-197
DOI 10.1136/bjsports-2020-102771, PubMed 33184113

Palmer D, Cooper DJ, Emery C, Batt ME, Engebretsen L, Scammell BE, Schamasch P, Shroff M, Soligard T, Steffen K, Whittaker JL, Budgett R (2020)
Self-reported sports injuries and later-life health status in 3357 retired Olympians from 131 countries: a cross-sectional survey among those competing in the games between London 1948 and PyeongChang 2018
Br J Sports Med, 55 (1), 46-53
DOI 10.1136/bjsports-2019-101772, PubMed 33168580

Skjaker SA, Enger M, Engebretsen L, Brox JI, Bøe B (2020)
Young men in sports are at highest risk of acromioclavicular joint injuries: a prospective cohort study
Knee Surg Sports Traumatol Arthrosc, 29 (7), 2039-2045
DOI 10.1007/s00167-020-05958-x, PubMed 32270265

Swinford ST, LaPrade R, Engebretsen L, Cohen M, Safran M (2020)
Biomechanics and physical examination of the posteromedial and posterolateral knee: state of the art
J ISAKOS Joint Disord. Orthopaed. Sport. Med., 5 (6), 378-388
DOI 10.1136/jisakos-2018-000221

Ziesler C, Engebretsen L (2020)
[Femoral neck stress fracture]
Tidsskr Nor Laegeforen, 140 (5)
DOI 10.4045/tidsskr.19.0201, PubMed 32238961

Aae TF, Lian ØB, Årøen A, Engebretsen L, Randsborg PH (2020)
Compensation claims after knee cartilage surgery is rare. A registry-based study from Scandinavia from 2010 to 2015
BMC Musculoskelet Disord, 21 (1), 287
DOI 10.1186/s12891-020-03311-4, PubMed 32384890

Publications 2019

Alizai H, Engebretsen L, Jarraya M, Roemer FW, Guermazi A (2019)
Elbow Injuries Detected on Magnetic Resonance Imaging in Athletes Participating in the Rio de Janeiro 2016 Summer Olympic Games
J Comput Assist Tomogr, 43 (6), 981-985
DOI 10.1097/RCT.0000000000000929, PubMed 31738202

Aman ZS, DePhillipo NN, Storaci HW, Moatshe G, Chahla J, Engebretsen L, LaPrade RF (2019)
Quantitative and Qualitative Assessment of Posterolateral Meniscal Anatomy: Defining the Popliteal Hiatus, Popliteomeniscal Fascicles, and the Lateral Meniscotibial Ligament
Am J Sports Med, 47 (8), 1797-1803
DOI 10.1177/0363546519849933, PubMed 31136201

DePhillipo NN, Engebretsen L, LaPrade RF (2019)
Current Trends Among US Surgeons in the Identification, Treatment, and Time of Repair for Medial Meniscal Ramp Lesions at the Time of ACL Surgery
Orthop J Sports Med, 7 (2), 2325967119827267
DOI 10.1177/2325967119827267, PubMed 30828582

Ekeland A, Engebretsen L, Fenstad AM, Heir S (2019)
Similar risk of ACL graft revision for alpine skiers, football and handball players: the graft revision rate is influenced by age and graft choice
Br J Sports Med, 54 (1), 33-37
DOI 10.1136/bjsports-2018-100020, PubMed 31399428

Ekås GR, Laane MM, Larmo A, Moksnes H, Grindem H, Risberg MA, Engebretsen L (2019)
Knee Pathology in Young Adults After Pediatric Anterior Cruciate Ligament Injury: A Prospective Case Series of 47 Patients With a Mean 9.5-Year Follow-up
Am J Sports Med, 47 (7), 1557-1566
DOI 10.1177/0363546519837935, PubMed 31034243

Hainline B, Derman W, Vernec A, Budgett R, Deie M, Dvorak J, Harle CA, Herring S, McNamee M, Meeuwisse W, Moseley GL, Omololu B, Orchard J, Pipe A, Pluim BM, Raeder J, Siebert D, Stewart M, Stuart MC, Turner J, Ware M, Zideman D, Engebretsen L (2019)
Infographic. International Olympic Committee consensus statement on pain management in athletes: non-pharmacological strategies
Br J Sports Med, 53 (12), 785-786
DOI 10.1136/bjsports-2019-100853, PubMed 30952826

Hamrin Senorski E, Svantesson E, Engebretsen L, Lind M, Forssblad M, Karlsson J, Samuelsson K (2019)
15 years of the Scandinavian knee ligament registries: lessons, limitations and likely prospects
Br J Sports Med, 53 (20), 1259-1260
DOI 10.1136/bjsports-2018-100024, PubMed 30967379

Heiss R, Guermazi A, Jarraya M, Engebretsen L, Hotfiel T, Parva P, Roemer FW (2019)
Prevalence of MRI-Detected Ankle Injuries in Athletes in the Rio de Janeiro 2016 Summer Olympics
Acad Radiol, 26 (12), 1605-1617
DOI 10.1016/j.acra.2019.02.001, PubMed 30799032

Kennedy MI, Bernhardson A, Moatshe G, Buckley PS, Engebretsen L, LaPrade RF (2019)
Fibular Collateral Ligament/ Posterolateral Corner Injury: When to Repair, Reconstruct, or Both
Clin Sports Med, 38 (2), 261-274
DOI 10.1016/j.csm.2018.11.002, PubMed 30878048

Kise NJ, Aga C, Engebretsen L, Roos EM, Tariq R, Risberg MA (2019)
Complex Tears, Extrusion, and Larger Excision Are Prognostic Factors for Worse Outcomes 1 and 2 Years After Arthroscopic Partial Meniscectomy for Degenerative Meniscal Tears: A Secondary Explorative Study of the Surgically Treated Group From the Odense-Oslo Meniscectomy Versus Exercise (OMEX) Trial
Am J Sports Med, 47 (10), 2402-2411
DOI 10.1177/0363546519858602, PubMed 31298923

LaPrade RF, Chahla J, DePhillipo NN, Cram T, Kennedy MI, Cinque M, Dornan GJ, O'Brien LT, Engebretsen L, Moatshe G (2019)
Single-Stage Multiple-Ligament Knee Reconstructions for Sports-Related Injuries: Outcomes in 194 Patients
Am J Sports Med, 47 (11), 2563-2571
DOI 10.1177/0363546519864539, PubMed 31381372

Levy BA, Stuart MJ, MacDonald PB, Marx RG, Stannard JP, LaPrade RF, Engebretsen L, Miller MD, Whelan D, Boyd JL, Fanelli GC (2019)
Comprehensive Case-Based Review of Knee Ligament Injuries
Instr Course Lect, 68, 513-544
PubMed 32032066

Lie MM, Risberg MA, Storheim K, Engebretsen L, Øiestad BE (2019)
What's the rate of knee osteoarthritis 10 years after anterior cruciate ligament injury? An updated systematic review
Br J Sports Med, 53 (18), 1162-1167
DOI 10.1136/bjsports-2018-099751, PubMed 30936063

Lien-Iversen T, Morgan DB, Jensen C, Risberg MA, Engebretsen L, Viberg B (2019)
Does surgery reduce knee osteoarthritis, meniscal injury and subsequent complications compared with non-surgery after ACL rupture with at least 10 years follow-up? A systematic review and meta-analysis
Br J Sports Med, 54 (10), 592-598
DOI 10.1136/bjsports-2019-100765, PubMed 31732650

Lind M, Strauss MJ, Nielsen T, Engebretsen L (2019)
Quadriceps tendon autograft for anterior cruciate ligament reconstruction is associated with high revision rates: results from the Danish Knee Ligament Registry
Knee Surg Sports Traumatol Arthrosc, 28 (7), 2163-2169
DOI 10.1007/s00167-019-05751-5, PubMed 31641810

Mountjoy M, Engebretsen L (2019)
How sport and exercise medicine research can protect athlete health and promote athlete performance
Br J Sports Med, 54 (10), 563-564
DOI 10.1136/bjsports-2019-100749, PubMed 31434660

Reardon CL, Hainline B, Aron CM, Baron D, Baum AL, Bindra A, Budgett R, Campriani N, Castaldelli-Maia JM, Currie A, Derevensky JL, Glick ID, Gorczynski P, Gouttebarge V, Grandner MA, Han DH, McDuff D, Mountjoy M, Polat A, Purcell R, Putukian M, Rice S, Sills A, Stull T, Swartz L et al. (2019)
Mental health in elite athletes: International Olympic Committee consensus statement (2019)
Br J Sports Med, 53 (11), 667-699
DOI 10.1136/bjsports-2019-100715, PubMed 31097450

Reardon CL, Hainline B, Aron CM, Baron D, Baum AL, Bindra A, Budgett R, Campriani N, Castaldelli-Maia JM, Currie A, Derevensky JL, Glick ID, Gorczynski P, Gouttebarge V, Grandner MA, Han DH, McDuff D, Mountjoy M, Polat A, Purcell R, Putukian M, Rice SM, Sills A, Stull T, Swartz L et al. (2019)
Infographic. Sleep disorders in athletes
Br J Sports Med, 54 (3), 188-189
DOI 10.1136/bjsports-2019-101107, PubMed 31227492

Reardon CL, Hainline B, Aron CM, Baron D, Baum AL, Bindra A, Budgett R, Campriani N, Castaldelli-Maia JM, Currie A, Derevensky JL, Glick ID, Gorczynski P, Gouttebarge V, Grandner MA, Han DH, McDuff D, Mountjoy M, Polat A, Purcell R, Putukian M, Rice SM, Sills A, Stull T, Swartz L et al. (2019)
Infographic: Mental health in elite athletes. An IOC consensus statement
Br J Sports Med, 54 (1), 49-50
DOI 10.1136/bjsports-2019-101087, PubMed 31308063

Scott A, LaPrade RF, Harmon KG, Filardo G, Kon E, Della Villa S, Bahr R, Moksnes H, Torgalsen T, Lee J, Dragoo JL, Engebretsen L (2019)
Platelet-Rich Plasma for Patellar Tendinopathy: A Randomized Controlled Trial of Leukocyte-Rich PRP or Leukocyte-Poor PRP Versus Saline
Am J Sports Med, 47 (7), 1654-1661
DOI 10.1177/0363546519837954, PubMed 31038979

Snaebjörnsson T, Hamrin-Senorski E, Svantesson E, Karlsson L, Engebretsen L, Karlsson J, Samuelsson K (2019)
Graft Diameter and Graft Type as Predictors of Anterior Cruciate Ligament Revision: A Cohort Study Including 18,425 Patients from the Swedish and Norwegian National Knee Ligament Registries
J Bone Joint Surg Am, 101 (20), 1812-1820
DOI 10.2106/JBJS.18.01467, PubMed 31626005

Snaebjörnsson T, Svantesson E, Sundemo D, Westin O, Sansone M, Engebretsen L, Hamrin-Senorski E (2019)
Young age and high BMI are predictors of early revision surgery after primary anterior cruciate ligament reconstruction: a cohort study from the Swedish and Norwegian knee ligament registries based on 30,747 patients
Knee Surg Sports Traumatol Arthrosc, 27 (11), 3583-3591
DOI 10.1007/s00167-019-05487-2, PubMed 30879108

Soligard T, Palmer D, Steffen K, Lopes AD, Grant ME, Kim D, Lee SY, Salmina N, Toresdahl BG, Chang JY, Budgett R, Engebretsen L (2019)
Sports injury and illness incidence in the PyeongChang 2018 Olympic Winter Games: a prospective study of 2914 athletes from 92 countries
Br J Sports Med, 53 (17), 1085-1092
DOI 10.1136/bjsports-2018-100236, PubMed 31235615

Sporsheim AN, Gifstad T, Lundemo TO, Engebretsen L, Strand T, Mølster A, Drogset JO (2019)
Autologous BPTB ACL Reconstruction Results in Lower Failure Rates Than ACL Repair with and without Synthetic Augmentation at 30 Years of Follow-up: A Prospective Randomized Study
J Bone Joint Surg Am, 101 (23), 2074-2081
DOI 10.2106/JBJS.19.00098, PubMed 31800420

Steffen K, Soligard T, Mountjoy M, Dallo I, Gessara AM, Giuria H, Perez Alamino L, Rodriguez J, Salmina N, Veloz D, Budgett R, Engebretsen L (2019)
How do the new Olympic sports compare with the traditional Olympic sports? Injury and illness at the 2018 Youth Olympic Summer Games in Buenos Aires, Argentina
Br J Sports Med, 54 (3), 168-175
DOI 10.1136/bjsports-2019-101040, PubMed 31796464

Stenseth OMR, Barli SF, Martin RK, Engebretsen L (2019)
Injuries in elite women's ski jumping: surveillance through the 2017-18 FIS World Cup season
Br J Sports Med, 54 (1), 44-48
DOI 10.1136/bjsports-2019-100799, PubMed 31527043

Thoma L, Grindem H, Logerstedt D, Axe M, Engebretsen L, Risberg MA, Snyder-Mackler L (2019)
Coper Classification Early After ACL Rupture Changes With Progressive Neuromuscular and Strength Training and Is Associated With 2-Year Success: Response
Am J Sports Med, 47 (11), NP65-NP66
DOI 10.1177/0363546519863309, PubMed 31479325

Thoma LM, Grindem H, Logerstedt D, Axe M, Engebretsen L, Risberg MA, Snyder-Mackler L (2019)
Coper Classification Early After Anterior Cruciate Ligament Rupture Changes With Progressive Neuromuscular and Strength Training and Is Associated With 2-Year Success: The Delaware-Oslo ACL Cohort Study
Am J Sports Med, 47 (4), 807-814
DOI 10.1177/0363546519825500, PubMed 30790527

Vap AR, Persson A, Fenstad AM, Moatshe G, LaPrade RF, Engebretsen L (2019)
Re-revision Anterior Cruciate Ligament Reconstruction: An Evaluation From the Norwegian Knee Ligament Registry
Arthroscopy, 35 (6), 1695-1701
DOI 10.1016/j.arthro.2019.01.027, PubMed 31053456

Publications 2018

Aga C, Risberg MA, Fagerland MW, Johansen S, Trøan I, Heir S, Engebretsen L (2018)
No Difference in the KOOS Quality of Life Subscore Between Anatomic Double-Bundle and Anatomic Single-Bundle Anterior Cruciate Ligament Reconstruction of the Knee: A Prospective Randomized Controlled Trial With 2 Years' Follow-up
Am J Sports Med, 46 (10), 2341-2354
DOI 10.1177/0363546518782454, PubMed 30021073

Ardern CL, Ekås G, Grindem H, Moksnes H, Anderson A, Chotel F, Cohen M, Forssblad M, Ganley TJ, Feller JA, Karlsson J, Kocher MS, LaPrade RF, McNamee M, Mandelbaum B, Micheli L, Mohtadi N, Reider B, Roe J, Seil R, Siebold R, Silvers-Granelli HJ, Soligard T, Witvrouw E, Engebretsen L (2018)
2018 International Olympic Committee consensus statement on prevention, diagnosis and management of paediatric anterior cruciate ligament (ACL) injuries
Knee Surg Sports Traumatol Arthrosc, 26 (4), 989-1010
DOI 10.1007/s00167-018-4865-y, PubMed 29455243

Ardern CL, Ekås GR, Grindem H, Moksnes H, Anderson A, Chotel F, Cohen M, Forssblad M, Ganley TJ, Feller JA, Karlsson J, Kocher MS, LaPrade RF, McNamee M, Mandelbaum B, Micheli L, Mohtadi NGH, Reider B, Roe JP, Seil R, Siebold R, Silvers-Granelli HJ, Soligard T, Witvrouw E, Engebretsen L (2018)
Prevention, diagnosis and management of paediatric ACL injuries
Br J Sports Med, 52 (20), 1297-1298
DOI 10.1136/bjsports-2018-099493, PubMed 29773588

Ardern CL, Ekås GR, Grindem H, Moksnes H, Anderson AF, Chotel F, Cohen M, Forssblad M, Ganley TJ, Feller JA, Karlsson J, Kocher MS, LaPrade RF, McNamee M, Mandelbaum B, Micheli L, Mohtadi N, Reider B, Roe J, Seil R, Siebold R, Silvers-Granelli HJ, Soligard T, Witvrouw E, Engebretsen L (2018)
2018 International Olympic Committee consensus statement on prevention, diagnosis and management of paediatric anterior cruciate ligament (ACL) injuries
Br J Sports Med, 52 (7), 422-438
DOI 10.1136/bjsports-2018-099060, PubMed 29478021

Chahla J, Murray IR, Robinson J, Lagae K, Margheritini F, Fritsch B, Leyes M, Barenius B, Pujol N, Engebretsen L, Lind M, Cohen M, Maestu R, Getgood A, Ferrer G, Villascusa S, Uchida S, Levy BA, Von Bormann R, Brown C, Menetrey J, Hantes M, Lording T, Samuelsson K, Frosch KH et al. (2018)
Posterolateral corner of the knee: an expert consensus statement on diagnosis, classification, treatment, and rehabilitation
Knee Surg Sports Traumatol Arthrosc, 27 (8), 2520-2529
DOI 10.1007/s00167-018-5260-4, PubMed 30478468

DePhillipo NN, Moatshe G, Brady A, Chahla J, Aman ZS, Dornan GJ, Nakama GY, Engebretsen L, LaPrade RF (2018)
Effect of Meniscocapsular and Meniscotibial Lesions in ACL-Deficient and ACL-Reconstructed Knees: A Biomechanical Study
Am J Sports Med, 46 (10), 2422-2431
DOI 10.1177/0363546518774315, PubMed 29847148

DePhillipo NN, Moatshe G, Chahla J, Aman ZS, Storaci HW, Morris ER, Robbins CM, Engebretsen L, LaPrade RF (2018)
Quantitative and Qualitative Assessment of the Posterior Medial Meniscus Anatomy: Defining Meniscal Ramp Lesions
Am J Sports Med, 47 (2), 372-378
DOI 10.1177/0363546518814258, PubMed 30525875

Ekås GR, Moksnes H, Grindem H, Risberg MA, Engebretsen L (2018)
Coping With Anterior Cruciate Ligament Injury From Childhood to Maturation: A Prospective Case Series of 44 Patients With Mean 8 Years' Follow-up
Am J Sports Med, 47 (1), 22-30
DOI 10.1177/0363546518810750, PubMed 30476435

Elveos MM, Drogset JO, Engebretsen L, Brønn R, Lundemo TO, Gifstad T (2018)
Anterior Cruciate Ligament Reconstruction Using a Bone-Patellar Tendon-Bone Graft With and Without a Ligament Augmentation Device: A 25-Year Follow-up of a Prospective Randomized Controlled Trial
Orthop J Sports Med, 6 (11), 2325967118808778
DOI 10.1177/2325967118808778, PubMed 30480022

Engebretsen L (2018)
Decreased Osteoarthritis Risk in Experienced Marathon Runners: Commentary on an article by Danielle Y. Ponzio, MD, et al.: "Low Prevalence of Hip and Knee Arthritis in Active Marathon Runners"
J Bone Joint Surg Am, 100 (2), e12
DOI 10.2106/JBJS.17.01252, PubMed 29342072

Guermazi A, Hayashi D, Jarraya M, Crema MD, Bahr R, Roemer FW, Grangeiro J, Budgett RG, Soligard T, Domingues R, Skaf A, Engebretsen L (2018)
Sports Injuries at the Rio de Janeiro 2016 Summer Olympics: Use of Diagnostic Imaging Services
Radiology, 287 (3), 922-932
DOI 10.1148/radiol.2018171510, PubMed 29480758

Hamrin Senorski E, Svantesson E, Baldari A, Ayeni OR, Engebretsen L, Franceschi F, Karlsson J, Samuelsson K (2018)
Factors that affect patient reported outcome after anterior cruciate ligament reconstruction-a systematic review of the Scandinavian knee ligament registers
Br J Sports Med, 53 (7), 410-417
DOI 10.1136/bjsports-2017-098191, PubMed 30030283

Heiss R, Guermazi A, Jarraya M, Engebretsen L, Roemer FW (2018)
The epidemiology of MRI-detected pelvic injuries in athletes in the Rio de Janeiro 2016 Summer Olympics
Eur J Radiol, 105, 56-64
DOI 10.1016/j.ejrad.2018.05.029, PubMed 30017299

Ingelsrud LH, Terwee CB, Terluin B, Granan LP, Engebretsen L, Mills KAG, Roos EM (2018)
Meaningful Change Scores in the Knee Injury and Osteoarthritis Outcome Score in Patients Undergoing Anterior Cruciate Ligament Reconstruction
Am J Sports Med, 46 (5), 1120-1128
DOI 10.1177/0363546518759543, PubMed 29517924

International Olympic Committee Pediatric ACL Injury Consensus Group, Ardern CL, Ekås G, Grindem H, Moksnes H, Anderson AF, Chotel F, Cohen M, Forssblad M, Ganley TJ, Feller JA, Karlsson J, Kocher MS, LaPrade RF, McNamee M, Mandelbaum B, Micheli L, Mohtadi NGH, Reider B, Roe JP, Seil R, Siebold R, Silvers-Granelli HJ, Soligard T, Witvrouw E et al. (2018)
2018 International Olympic Committee Consensus Statement on Prevention, Diagnosis, and Management of Pediatric Anterior Cruciate Ligament Injuries
Orthop J Sports Med, 6 (3), 2325967118759953
DOI 10.1177/2325967118759953, PubMed 29594177

Kise NJ, Roos EM, Stensrud S, Engebretsen L, Risberg MA (2018)
The 6-m timed hop test is a prognostic factor for outcomes in patients with meniscal tears treated with exercise therapy or arthroscopic partial meniscectomy: a secondary, exploratory analysis of the Odense-Oslo meniscectomy versus exercise (OMEX) trial
Knee Surg Sports Traumatol Arthrosc, 27 (8), 2478-2487
DOI 10.1007/s00167-018-5241-7, PubMed 30446783

Kompel AJ, Murakami AM, Engebretsen L, Forster BB, Lotfi M, Jarraya M, Hayashi D, Roemer FW, Crema MD, Guermazi A (2018)
MRI-Detected Sports-Related Knee Injuries and Abnormalities at the Rio de Janeiro 2016 Summer Olympic Games
AJR Am J Roentgenol, 211 (4), 880-886
DOI 10.2214/AJR.17.19334, PubMed 30063380

LaPrade RF, Engebretsen L (2018)
Editorial Commentary: Small Incisions Can Make Big Mistakes: Knee Lateral Collateral Ligament Reconstruction Is All About the Anatomy!
Arthroscopy, 34 (8), 2494-2496
DOI 10.1016/j.arthro.2018.05.047, PubMed 30077273

Leyland KM, Gates LS, Nevitt M, Felson D, Bierma-Zeinstra SM, Conaghan PG, Engebretsen L, Hochberg M, Hunter DJ, Jones G, Jordan JM, Judge A, Lohmander LS, Roos EM, Sanchez-Santos MT, Yoshimura N, van Meurs JBJ, Batt ME, Newton J, Cooper C, Arden NK (2018)
Harmonising measures of knee and hip osteoarthritis in population-based cohort studies: an international study
Osteoarthritis Cartilage, 26 (7), 872-879
DOI 10.1016/j.joca.2018.01.024, PubMed 29426005

Maughan RJ, Burke LM, Dvorak J, Larson-Meyer DE, Peeling P, Phillips SM, Rawson ES, Walsh NP, Garthe I, Geyer H, Meeusen R, van Loon L, Shirreffs SM, Spriet LL, Stuart M, Vernec A, Currell K, Ali VM, Budgett RGM, Ljungqvist A, Mountjoy M, Pitsiladis Y, Soligard T, Erdener U, Engebretsen L (2018)
IOC Consensus Statement: Dietary Supplements and the High-Performance Athlete
Int J Sport Nutr Exerc Metab, 28 (2), 104-125
DOI 10.1123/ijsnem.2018-0020, PubMed 29589768

Maughan RJ, Burke LM, Dvorak J, Larson-Meyer DE, Peeling P, Phillips SM, Rawson ES, Walsh NP, Garthe I, Geyer H, Meeusen R, van Loon LJC, Shirreffs SM, Spriet LL, Stuart M, Vernec A, Currell K, Ali VM, Budgett RG, Ljungqvist A, Mountjoy M, Pitsiladis YP, Soligard T, Erdener U, Engebretsen L (2018)
IOC consensus statement: dietary supplements and the high-performance athlete
Br J Sports Med, 52 (7), 439-455
DOI 10.1136/bjsports-2018-099027, PubMed 29540367

Moatshe G, Chahla J, Brady AW, Dornan GJ, Muckenhirn KJ, Kruckeberg BM, Cinque ME, Turnbull TL, Engebretsen L, LaPrade RF (2018)
The Influence of Graft Tensioning Sequence on Tibiofemoral Orientation During Bicruciate and Posterolateral Corner Knee Ligament Reconstruction: A Biomechanical Study
Am J Sports Med, 46 (8), 1863-1869
DOI 10.1177/0363546517751917, PubMed 29953291

Moatshe G, LaPrade RF, Engebretsen L (2018)
How to avoid tunnel convergence in a multiligament injured knee
Ann. Joint, 3 (11), 93
DOI 10.21037/aoj.2018.11.05

Mohtadi N, Ardern CL, Engebretsen L (2018)
Why all the fuss about paediatric ACL rupture: isn't the meniscus much more important?
Br J Sports Med, 52 (7), 417-418
DOI 10.1136/bjsports-2018-099169, PubMed 29523538

Murakami AM, Kompel AJ, Engebretsen L, Li X, Forster BB, Crema MD, Hayashi D, Jarraya M, Roemer FW, Guermazi A (2018)
The epidemiology of MRI detected shoulder injuries in athletes participating in the Rio de Janeiro 2016 Summer Olympics
BMC Musculoskelet Disord, 19 (1), 296
DOI 10.1186/s12891-018-2224-2, PubMed 30115059

Orchard JW, Engebretsen L, Feller JA (2018)
The rate of anterior cruciate ligament reconstruction in Australia is high: a national registry is needed
Med J Aust, 208 (8), 341-342
DOI 10.5694/mja18.00095, PubMed 29716512

Owesen C, Røtterud JH, Engebretsen L, Årøen A (2018)
Effect of Activity at Time of Injury and Concomitant Ligament Injuries on Patient-Reported Outcome After Posterior Cruciate Ligament Reconstruction
Orthop J Sports Med, 6 (12), 2325967118817297
DOI 10.1177/2325967118817297, PubMed 30627591

Prentice HA, Lind M, Mouton C, Persson A, Magnusson H, Gabr A, Seil R, Engebretsen L, Samuelsson K, Karlsson J, Forssblad M, Haddad FS, Spalding T, Funahashi TT, Paxton LW, Maletis GB (2018)
Patient demographic and surgical characteristics in anterior cruciate ligament reconstruction: a description of registries from six countries
Br J Sports Med, 52 (11), 716-722
DOI 10.1136/bjsports-2017-098674, PubMed 29574451

Risberg MA, Engebretsen L, Nordsletten L, Holm I (2018)
Package progression for patients with musculoskeletal ailments?
Tidsskr. Nor. Laegeforen., 138 (17), 1598-1599

Risberg MA, Holm I, Engebretsen L, Nordsletten L (2018)
[Care pathways for patients with musculoskeletal disorders?]
Tidsskr Nor Laegeforen, 138 (17)
DOI 10.4045/tidsskr.18.0709, PubMed 30378410

Seil R, Theisen D, Moksnes H, Engebretsen L (2018)
ESSKA partners and the IOC join forces to improve children ACL treatment
Knee Surg Sports Traumatol Arthrosc, 26 (4), 983-984
DOI 10.1007/s00167-018-4887-5, PubMed 29508018

Soligard T, Steffen K, Palmer D, Alonso JM, Bahr R, Lopes AD, Dvorak J, Grant ME, Meeuwisse W, Mountjoy M, Costa LOP, Salmina N, Budgett R, Engebretsen L (2018)
Infographic: Injury and illness, the 2016 Olympic Games
Br J Sports Med, 53 (7), 404-405
DOI 10.1136/bjsports-2018-099090, PubMed 29440038

Svantesson E, Hamrin Senorski E, Baldari A, Ayeni OR, Engebretsen L, Franceschi F, Karlsson J, Samuelsson K (2018)
Factors associated with additional anterior cruciate ligament reconstruction and register comparison: a systematic review on the Scandinavian knee ligament registers
Br J Sports Med, 53 (7), 418-425
DOI 10.1136/bjsports-2017-098192, PubMed 30018121

Ulstein S, Årøen A, Engebretsen L, Forssblad M, Lygre SHL, Røtterud JH (2018)
Effect of Concomitant Cartilage Lesions on Patient-Reported Outcomes After Anterior Cruciate Ligament Reconstruction: A Nationwide Cohort Study From Norway and Sweden of 8470 Patients With 5-Year Follow-up
Orthop J Sports Med, 6 (7), 2325967118786219
DOI 10.1177/2325967118786219, PubMed 30057926

Ulstein S, Årøen A, Engebretsen L, Forssblad M, Lygre SHL, Røtterud JH (2018)
A Controlled Comparison of Microfracture, Debridement, and No Treatment of Concomitant Full-Thickness Cartilage Lesions in Anterior Cruciate Ligament-Reconstructed Knees: A Nationwide Prospective Cohort Study From Norway and Sweden of 368 Patients With 5-Year Follow-up
Orthop J Sports Med, 6 (8), 2325967118787767
DOI 10.1177/2325967118787767, PubMed 30083564

Publications 2017

Aga C, Kartus JT, Lind M, Lygre SHL, Granan LP, Engebretsen L (2017)
Risk of Revision Was Not Reduced by a Double-bundle ACL Reconstruction Technique: Results From the Scandinavian Registers
Clin Orthop Relat Res, 475 (10), 2503-2512
DOI 10.1007/s11999-017-5409-3, PubMed 28631112

Chahla J, Moatshe G, Engebretsen L, LaPrade RF (2017)
Anatomic Double-Bundle Posterior Cruciate Ligament Reconstruction
JBJS Essent Surg Tech, 7 (1), e4
DOI 10.2106/JBJS.ST.16.00083, PubMed 30233939

Crema MD, Jarraya M, Engebretsen L, Roemer FW, Hayashi D, Domingues R, Skaf AY, Guermazi A (2017)
Imaging-detected acute muscle injuries in athletes participating in the Rio de Janeiro 2016 Summer Olympic Games
Br J Sports Med, 52 (7), 460-464
DOI 10.1136/bjsports-2017-098247, PubMed 29217532

DePhillipo NN, Cinque ME, Chahla J, Geeslin AG, Engebretsen L, LaPrade RF (2017)
Incidence and Detection of Meniscal Ramp Lesions on Magnetic Resonance Imaging in Patients With Anterior Cruciate Ligament Reconstruction
Am J Sports Med, 45 (10), 2233-2237
DOI 10.1177/0363546517704426, PubMed 28463534

DePhillipo NN, Cinque ME, Kennedy NI, Chahla J, Geeslin AG, Moatshe G, Engebretsen L, LaPrade RF (2017)
Inside-Out Repair of Meniscal Ramp Lesions
Arthrosc Tech, 6 (4), e1315-e1320
DOI 10.1016/j.eats.2017.05.011, PubMed 29354435

Echemendia RJ, Meeuwisse W, McCrory P, Davis GA, Putukian M, Leddy J, Makdissi M, Sullivan SJ, Broglio SP, Raftery M, Schneider K, Kissick J, McCrea M, Dvořák J, Sills AK, Aubry M, Engebretsen L, Loosemore M, Fuller G, Kutcher J, Ellenbogen R, Guskiewicz K, Patricios J, Herring S (2017)
The Concussion Recognition Tool 5th Edition (CRT5): Background and rationale
Br J Sports Med, 51 (11), 870-871
DOI 10.1136/bjsports-2017-097508, PubMed 28446450

Echemendia RJ, Meeuwisse W, McCrory P, Davis GA, Putukian M, Leddy J, Makdissi M, Sullivan SJ, Broglio SP, Raftery M, Schneider K, Kissick J, McCrea M, Dvořák J, Sills AK, Aubry M, Engebretsen L, Loosemore M, Fuller G, Kutcher J, Ellenbogen R, Guskiewicz K, Patricios J, Herring S (2017)
The Sport Concussion Assessment Tool 5th Edition (SCAT5): Background and rationale
Br J Sports Med, 51 (11), 848-850
DOI 10.1136/bjsports-2017-097506, PubMed 28446453

Edouard P, Steffen K, Junge A, Leglise M, Soligard T, Engebretsen L (2017)
Gymnastics injury incidence during the 2008, 2012 and 2016 Olympic Games: analysis of prospectively collected surveillance data from 963 registered gymnasts during Olympic Games
Br J Sports Med, 52 (7), 475-481
DOI 10.1136/bjsports-2017-097972, PubMed 29032364

Ekås GR, Ardern C, Grindem H, Engebretsen L (2017)
New meniscal tears after ACL injury: what is the risk? A systematic review protocol
Br J Sports Med, 52 (6), 386
DOI 10.1136/bjsports-2017-097728, PubMed 28647718

Emery CA, Black AM, Kolstad A, Martinez G, Nettel-Aguirre A, Engebretsen L, Johnston K, Kissick J, Maddocks D, Tator C, Aubry M, Dvořák J, Nagahiro S, Schneider K (2017)
What strategies can be used to effectively reduce the risk of concussion in sport? A systematic review
Br J Sports Med, 51 (12), 978-984
DOI 10.1136/bjsports-2016-097452, PubMed 28254746

Engen CN, Årøen A, Engebretsen L (2017)
Development of a pilot cartilage surgery register
BMC Musculoskelet Disord, 18 (1), 282
DOI 10.1186/s12891-017-1638-6, PubMed 28666432

Hainline B, Derman W, Vernec A, Budgett R, Deie M, Dvořák J, Harle C, Herring SA, McNamee M, Meeuwisse W, Lorimer Moseley G, Omololu B, Orchard J, Pipe A, Pluim BM, Ræder J, Siebert C, Stewart M, Stuart M, Turner JA, Ware M, Zideman D, Engebretsen L (2017)
International Olympic Committee consensus statement on pain management in elite athletes
Br J Sports Med, 51 (17), 1245-1258
DOI 10.1136/bjsports-2017-097884, PubMed 28827314

Hamrin Senorski E, Seil R, Svantesson E, Feller JA, Webster KE, Engebretsen L, Spindler K, Siebold R, Karlsson J, Samuelsson K (2017)
"I never made it to the pros…" Return to sport and becoming an elite athlete after pediatric and adolescent anterior cruciate ligament injury-Current evidence and future directions
Knee Surg Sports Traumatol Arthrosc, 26 (4), 1011-1018
DOI 10.1007/s00167-017-4811-4, PubMed 29188332

Hayashi D, Jarraya M, Engebretsen L, D Crema M, W Roemer F, Skaf A, Guermazi A (2017)
Epidemiology of imaging-detected bone stress injuries in athletes participating in the Rio de Janeiro 2016 Summer Olympics
Br J Sports Med, 52 (7), 470-474
DOI 10.1136/bjsports-2017-098189, PubMed 29074476

Jarraya M, Crema MD, Engebretsen L, Teytelboym OM, Hayashi D, Roemer FW, Skaf AY, Guermazi A (2017)
Epidemiology of imaging-detected tendon abnormalities in athletes participating in the Rio de Janeiro 2016 Summer Olympics
Br J Sports Med, 52 (7), 465-469
DOI 10.1136/bjsports-2017-098187, PubMed 29051166

Kon E, Engebretsen L, Verdonk P, Nehrer S, Filardo G (2017)
Clinical Outcomes of Knee Osteoarthritis Treated With an Autologous Protein Solution Injection: A 1-Year Pilot Double-Blinded Randomized Controlled Trial
Am J Sports Med, 46 (1), 171-180
DOI 10.1177/0363546517732734, PubMed 29016185

Kon E, Filardo G, Brittberg M, Busacca M, Condello V, Engebretsen L, Marlovits S, Niemeyer P, Platzer P, Posthumus M, Verdonk P, Verdonk R, Victor J, van der Merwe W, Widuchowski W, Zorzi C, Marcacci M (2017)
A multilayer biomaterial for osteochondral regeneration shows superiority vs microfractures for the treatment of osteochondral lesions in a multicentre randomized trial at 2 years
Knee Surg Sports Traumatol Arthrosc, 26 (9), 2704-2715
DOI 10.1007/s00167-017-4707-3, PubMed 28913600

Lodrup A, Engebretsen L (2017)
Martial arts need doctors
Tidsskr. Nor. Laegeforen., 137 (21), 1664-1665

Logerstedt DS, Scalzitti D, Risberg MA, Engebretsen L, Webster KE, Feller J, Snyder-Mackler L, Axe MJ, McDonough CM (2017)
Knee Stability and Movement Coordination Impairments: Knee Ligament Sprain Revision 2017
J Orthop Sports Phys Ther, 47 (11), A1-A47
DOI 10.2519/jospt.2017.0303, PubMed 29089004

Lødrup A, Engebretsen L (2017)
[Not Available]
Tidsskr Nor Laegeforen, 137 (21)
DOI 10.4045/tidsskr.17.0912, PubMed 29135166

McCrory P, Meeuwisse W, Dvorak J, Aubry M, Bailes J, Broglio S, Cantu RC, Cassidy D, Echemendia RJ, Castellani RJ, Davis GA, Ellenbogen R, Emery C, Engebretsen L, Feddermann-Demont N, Giza CC, Guskiewicz KM, Herring S, Iverson GL, Johnston KM, Kissick J, Kutcher J, Leddy JJ, Maddocks D, Makdissi M et al. (2017)
Infographic: Consensus statement on concussion in sport
Br J Sports Med, 51 (21), 1557-1558
DOI 10.1136/bjsports-2017-098065, PubMed 28899991

McCrory P, Meeuwisse W, Dvořák J, Aubry M, Bailes J, Broglio S, Cantu RC, Cassidy D, Echemendia RJ, Castellani RJ, Davis GA, Ellenbogen R, Emery C, Engebretsen L, Feddermann-Demont N, Giza CC, Guskiewicz KM, Herring S, Iverson GL, Johnston KM, Kissick J, Kutcher J, Leddy JJ, Maddocks D, Makdissi M et al. (2017)
Consensus statement on concussion in sport-the 5^th international conference on concussion in sport held in Berlin, October 2016
Br J Sports Med, 51 (11), 838-847
DOI 10.1136/bjsports-2017-097699, PubMed 28446457

McCrory P, Meeuwisse WH, Dvořák J, Echemendia RJ, Engebretsen L, Feddermann-Demont N, McCrea M, Makdissi M, Patricios J, Schneider KJ, Sills AK (2017)
5th International Conference on Concussion in Sport (Berlin)
Br J Sports Med, 51 (11), 837
DOI 10.1136/bjsports-2017-097878, PubMed 29098980

Moatshe G, Dornan GJ, Ludvigsen T, Løken S, LaPrade RF, Engebretsen L (2017)
High prevalence of knee osteoarthritis at a minimum 10-year follow-up after knee dislocation surgery
Knee Surg Sports Traumatol Arthrosc, 25 (12), 3914-3922
DOI 10.1007/s00167-017-4443-8, PubMed 28280907

Moatshe G, Dornan GJ, Løken S, Ludvigsen TC, LaPrade RF, Engebretsen L (2017)
Demographics and Injuries Associated With Knee Dislocation: A Prospective Review of 303 Patients
Orthop J Sports Med, 5 (5), 2325967117706521
DOI 10.1177/2325967117706521, PubMed 28589159

Moatshe G, Morris ER, Cinque ME, Pascual-Garrido C, Chahla J, Engebretsen L, Laprade RF (2017)
Biological treatment of the knee with platelet-rich plasma or bone marrow aspirate concentrates
Acta Orthop, 88 (6), 670-674
DOI 10.1080/17453674.2017.1368899, PubMed 28831830

Mountjoy M, Costa A, Budgett R, Dvorak J, Engebretsen L, Miller S, Moran J, Foster J, Carr J (2017)
Health promotion through sport: international sport federations' priorities, actions and opportunities
Br J Sports Med, 52 (1), 54-60
DOI 10.1136/bjsports-2017-097900, PubMed 28701361

Persson A, Gifstad T, Lind M, Engebretsen L, Fjeldsgaard K, Drogset JO, Forssblad M, Espehaug B, Kjellsen AB, Fevang JM (2017)
Graft fixation influences revision risk after ACL reconstruction with hamstring tendon autografts
Acta Orthop, 89 (2), 204-210
DOI 10.1080/17453674.2017.1406243, PubMed 29171322

Soligard T, Steffen K, Palmer D, Alonso JM, Bahr R, Lopes AD, Dvorak J, Grant ME, Meeuwisse W, Mountjoy M, Pena Costa LO, Salmina N, Budgett R, Engebretsen L (2017)
Sports injury and illness incidence in the Rio de Janeiro 2016 Olympic Summer Games: A prospective study of 11274 athletes from 207 countries
Br J Sports Med, 51 (17), 1265-1271
DOI 10.1136/bjsports-2017-097956, PubMed 28756389

Publications 2016

Aga C, Wilson KJ, Johansen S, Dornan G, La Prade RF, Engebretsen L (2016)
Tunnel widening in single- versus double-bundle anterior cruciate ligament reconstructed knees
Knee Surg Sports Traumatol Arthrosc, 25 (4), 1316-1327
DOI 10.1007/s00167-016-4204-0, PubMed 27329174

Ekås GR, Engebretsen L (2016)
[The cruciate ligament register--due for a change?]
Tidsskr Nor Laegeforen, 136 (4), 298
DOI 10.4045/tidsskr.15.1291, PubMed 26905841

Engen CN, Løken S, Årøen A, Ho C, Engebretsen L (2016)
No degeneration found in focal cartilage defects evaluated with dGEMRIC at 12-year follow-up
Acta Orthop, 88 (1), 82-89
DOI 10.1080/17453674.2016.1255484, PubMed 27882808

Failla MJ, Logerstedt DS, Grindem H, Axe MJ, Risberg MA, Engebretsen L, Huston LJ, Spindler KP, Snyder-Mackler L (2016)
Does Extended Preoperative Rehabilitation Influence Outcomes 2 Years After ACL Reconstruction? A Comparative Effectiveness Study Between the MOON and Delaware-Oslo ACL Cohorts
Am J Sports Med, 44 (10), 2608-2614
DOI 10.1177/0363546516652594, PubMed 27416993

Finch CF, Bahr R, Drezner JA, Dvorak J, Engebretsen L, Hewett T, Junge A, Khan KM, MacAuley D, Matheson GO, McCrory P, Verhagen E (2016)
Towards the reduction of injury and illness in athletes: defining our research priorities
Br J Sports Med, 51 (16), 1178-1182
DOI 10.1136/bjsports-2016-097042, PubMed 28003237

Finch CF, Talpey S, Bradshaw A, Soligard T, Engebretsen L (2016)
Research priorities of international sporting federations and the IOC research centres
BMJ Open Sport Exerc Med, 2 (1), e000168
DOI 10.1136/bmjsem-2016-000168, PubMed 27900197

Grindem H, Snyder-Mackler L, Moksnes H, Engebretsen L, Risberg MA (2016)
Simple decision rules can reduce reinjury risk by 84% after ACL reconstruction: the Delaware-Oslo ACL cohort study
Br J Sports Med, 50 (13), 804-8
DOI 10.1136/bjsports-2016-096031, PubMed 27162233

Johnsen MB, Guddal MH, Småstuen MC, Moksnes H, Engebretsen L, Storheim K, Zwart JA (2016)
Sport Participation and the Risk of Anterior Cruciate Ligament Reconstruction in Adolescents: A Population-based Prospective Cohort Study (The Young-HUNT Study)
Am J Sports Med, 44 (11), 2917-2924
DOI 10.1177/0363546516643807, PubMed 27159313

Karlsen TA, de Souza GA, Ødegaard B, Engebretsen L, Brinchmann JE (2016)
microRNA-140 Inhibits Inflammation and Stimulates Chondrogenesis in a Model of Interleukin 1β-induced Osteoarthritis
Mol Ther Nucleic Acids, 5 (10), e373
DOI 10.1038/mtna.2016.64, PubMed 27727249

Kise NJ, Risberg MA, Engebretsen L, Roos EM (2016)
Authors' reply to Joshi
BMJ, 354, i4623
DOI 10.1136/bmj.i4623, PubMed 27582253

Kise NJ, Risberg MA, Stensrud S, Ranstam J, Engebretsen L, Roos EM (2016)
Exercise therapy versus arthroscopic partial meniscectomy for degenerative meniscal tear in middle aged patients: randomised controlled trial with two year follow-up
BMJ, 354, i3740
DOI 10.1136/bmj.i3740, PubMed 27440192

Kise NJ, Risberg MA, Stensrud S, Ranstam J, Engebretsen L, Roos EM (2016)
Exercise therapy versus arthroscopic partial meniscectomy for degenerative meniscal tear in middle aged patients: randomised controlled trial with two year follow-up
Br J Sports Med, 50 (23), 1473-1480
DOI 10.1136/bjsports-2016-i3740rep, PubMed 30142084

Knutsen G, Drogset JO, Engebretsen L, Grøntvedt T, Ludvigsen TC, Løken S, Solheim E, Strand T, Johansen O (2016)
A Randomized Multicenter Trial Comparing Autologous Chondrocyte Implantation with Microfracture: Long-Term Follow-up at 14 to 15 Years
J Bone Joint Surg Am, 98 (16), 1332-9
DOI 10.2106/JBJS.15.01208, PubMed 27535435

Krosshaug T, Steffen K, Kristianslund E, Nilstad A, Mok KM, Myklebust G, Andersen TE, Holme I, Engebretsen L, Bahr R (2016)
The Vertical Drop Jump Is a Poor Screening Test for ACL Injuries in Female Elite Soccer and Handball Players: A Prospective Cohort Study of 710 Athletes
Am J Sports Med, 44 (4), 874-83
DOI 10.1177/0363546515625048, PubMed 26867936

Krosshaug T, Steffen K, Kristianslund E, Nilstad A, Mok KM, Myklebust G, Andersen TE, Holme I, Engebretsen L, Bahr R (2016)
The Vertical Drop Jump Is a Poor Screening Test for ACL Injuries: Response
Am J Sports Med, 44 (6), NP24-5
DOI 10.1177/0363546516651042, PubMed 27252548

Krosshaug T, Steffen K, Kristianslund E, Nilstad A, Mok KM, Myklebust G, Andersen TE, Holme I, Engebretsen L, Bahr R (2016)
Screening Tests for ACL Injury: Response
Am J Sports Med, 44 (6), NP26-7
DOI 10.1177/0363546516651046, PubMed 27252550

LaPrade RF, Agel J, Baker J, Brenner JS, Cordasco FA, Côté J, Engebretsen L, Feeley BT, Gould D, Hainline B, Hewett T, Jayanthi N, Kocher MS, Myer GD, Nissen CW, Philippon MJ, Provencher MT (2016)
AOSSM Early Sport Specialization Consensus Statement
Orthop J Sports Med, 4 (4), 2325967116644241
DOI 10.1177/2325967116644241, PubMed 27169132

Madry H, Kon E, Condello V, Peretti GM, Steinwachs M, Seil R, Berruto M, Engebretsen L, Filardo G, Angele P (2016)
Early osteoarthritis of the knee
Knee Surg Sports Traumatol Arthrosc, 24 (6), 1753-62
DOI 10.1007/s00167-016-4068-3, PubMed 27000393

Magnussen RA, Trojani C, Granan LP, Neyret P, Colombet P, Engebretsen L, Wright RW, Kaeding CC, MARS Group, SFA Revision ACL Group (2016)
Erratum to: Patient demographics and surgical characteristics in ACL revision: a comparison of French, Norwegian, and North American cohorts
Knee Surg Sports Traumatol Arthrosc, 24 (11), 3694-3695
DOI 10.1007/s00167-015-3835-x, PubMed 26537594

Moatshe G, Brady AW, Slette EL, Chahla J, Turnbull TL, Engebretsen L, LaPrade RF (2016)
Multiple Ligament Reconstruction Femoral Tunnels: Intertunnel Relationships and Guidelines to Avoid Convergence
Am J Sports Med, 45 (3), 563-569
DOI 10.1177/0363546516673616, PubMed 27872126

Moatshe G, Chahla J, Slette E, Engebretsen L, Laprade RF (2016)
Posterior meniscal root injuries
Acta Orthop, 87 (5), 452-8
DOI 10.1080/17453674.2016.1202945, PubMed 27347730

Moatshe G, Slette EL, Engebretsen L, LaPrade RF (2016)
Intertunnel Relationships in the Tibia During Reconstruction of Multiple Knee Ligaments: How to Avoid Tunnel Convergence
Am J Sports Med, 44 (11), 2864-2869
DOI 10.1177/0363546516656371, PubMed 27469601

Risberg MA, Oiestad BE, Gunderson R, Aune AK, Engebretsen L, Culvenor A, Holm I (2016)
Changes in Knee Osteoarthritis, Symptoms, and Function After Anterior Cruciate Ligament Reconstruction: A 20-Year Prospective Follow-up Study
Am J Sports Med, 44 (5), 1215-24
DOI 10.1177/0363546515626539, PubMed 26912282

Schon JM, Moatshe G, Brady AW, Cruz RS, Chahla J, Dornan GJ, Turnbull TL, Engebretsen L, LaPrade RF (2016)
Anatomic Anterolateral Ligament Reconstruction Leads to Overconstraint at Any Fixation Angle: Response
Am J Sports Med, 44 (10), NP58-NP59
DOI 10.1177/0363546516669314, PubMed 27694611

Schon JM, Moatshe G, Brady AW, Serra Cruz R, Chahla J, Dornan GJ, Turnbull TL, Engebretsen L, LaPrade RF (2016)
Anatomic Anterolateral Ligament Reconstruction of the Knee Leads to Overconstraint at Any Fixation Angle
Am J Sports Med, 44 (10), 2546-2556
DOI 10.1177/0363546516652607, PubMed 27407088

Schwellnus M, Soligard T, Alonso JM, Bahr R, Clarsen B, Dijkstra HP, Gabbett TJ, Gleeson M, Hägglund M, Hutchinson MR, Janse Van Rensburg C, Meeusen R, Orchard JW, Pluim BM, Raftery M, Budgett R, Engebretsen L (2016)
How much is too much? (Part 2) International Olympic Committee consensus statement on load in sport and risk of illness
Br J Sports Med, 50 (17), 1043-52
DOI 10.1136/bjsports-2016-096572, PubMed 27535991

Schwellnus M, Soligard T, Alonso JM, Bahr R, Clarsen B, Dijkstra HP, Gabbett TJ, Gleeson M, Hägglund M, Hutchinson MR, Van Rensburg CJ, Meeusen R, Orchard JW, Pluim BM, Raftery M, Budgett R, Engebretsen L (2016)
Infographic. General guidance for the prevention of illness in athletes
Br J Sports Med, 51 (14), 1098
DOI 10.1136/bjsports-2016-097234, PubMed 27935486

Siebold R, Seil R, Engebretsen L (2016)
ACL tear in kids: serious injury with high risk of osteoarthritis
Knee Surg Sports Traumatol Arthrosc, 24 (3), 641-3
DOI 10.1007/s00167-015-3912-1, PubMed 26685694

Soligard T, Schwellnus M, Alonso JM, Bahr R, Clarsen B, Dijkstra HP, Gabbett T, Gleeson M, Hägglund M, Hutchinson MR, Janse van Rensburg C, Khan KM, Meeusen R, Orchard JW, Pluim BM, Raftery M, Budgett R, Engebretsen L (2016)
How much is too much? (Part 1) International Olympic Committee consensus statement on load in sport and risk of injury
Br J Sports Med, 50 (17), 1030-41
DOI 10.1136/bjsports-2016-096581, PubMed 27535989

Steffen K, Moseid CH, Engebretsen L, Søberg PK, Amundsen O, Holm K, Moger T, Soligard T (2016)
Sports injuries and illnesses in the Lillehammer 2016 Youth Olympic Winter Games
Br J Sports Med, 51 (1), 29-35
DOI 10.1136/bjsports-2016-096977, PubMed 27884864

Ulstein S, Bredland K, Årøen A, Engebretsen L, Røtterud JH (2016)
No negative effect on patient-reported outcome of concomitant cartilage lesions 5-9 years after ACL reconstruction
Knee Surg Sports Traumatol Arthrosc, 25 (5), 1482-1488
DOI 10.1007/s00167-016-4163-5, PubMed 27198140

Årøen A, Brøgger H, Røtterud JH, Sivertsen EA, Engebretsen L, Risberg MA (2016)
Evaluation of focal cartilage lesions of the knee using MRI T2 mapping and delayed Gadolinium Enhanced MRI of Cartilage (dGEMRIC)
BMC Musculoskelet Disord, 17, 73
DOI 10.1186/s12891-016-0941-y, PubMed 26868015

Publications 2015

Bergeron MF, Mountjoy M, Armstrong N, Chia M, Côté J, Emery CA, Faigenbaum A, Hall G, Kriemler S, Léglise M, Malina RM, Pensgaard AM, Sanchez A, Soligard T, Sundgot-Borgen J, van Mechelen W, Weissensteiner JR, Engebretsen L (2015)
International Olympic Committee consensus statement on youth athletic development
Br J Sports Med, 49 (13), 843-51
DOI 10.1136/bjsports-2015-094962, PubMed 26084524

Clarsen B, Moksnes H, Maughan RJ, Engebretsen L, Budgett R (2015)
The IOC Diploma programme in sports physiotherapy
Br. J. Sports Med., 49 (7), 424
DOI 10.1136/bjsports-2015-094686

Ekås GR, Engebretsen L (2015)
[Clinical benefits of platelet-rich plasma?]
Tidsskr Nor Laegeforen, 135 (8), 737-8
DOI 10.4045/tidsskr.15.0145, PubMed 25947589

Engebretsen L, Forssblad M, Lind M (2015)
Why registries analysing cruciate ligament surgery are important
Br J Sports Med, 49 (10), 636-8
DOI 10.1136/bjsports-2014-094484, PubMed 25807159

Engebretsen L, Lind M (2015)
Anteromedial rotatory laxity
Knee Surg Sports Traumatol Arthrosc, 23 (10), 2797-804
DOI 10.1007/s00167-015-3675-8, PubMed 26085190

Engebretsen L, Steffen K (2015)
Protection of the elite athlete is the responsibility of all of us in sports medicine
Br J Sports Med, 49 (17), 1089-90
DOI 10.1136/bjsports-2015-095221, PubMed 26282365

Engen CN, Årøen A, Engebretsen L (2015)
Incidence of knee cartilage surgery in Norway, 2008-2011
BMJ Open, 5 (11), e008423
DOI 10.1136/bmjopen-2015-008423, PubMed 26621511

Ingelsrud LH, Granan LP, Terwee CB, Engebretsen L, Roos EM (2015)
Proportion of Patients Reporting Acceptable Symptoms or Treatment Failure and Their Associated KOOS Values at 6 to 24 Months After Anterior Cruciate Ligament Reconstruction: A Study From the Norwegian Knee Ligament Registry
Am J Sports Med, 43 (8), 1902-7
DOI 10.1177/0363546515584041, PubMed 25977523

LaPrade CM, Dornan GJ, Granan LP, LaPrade RF, Engebretsen L (2015)
Outcomes After Anterior Cruciate Ligament Reconstruction Using the Norwegian Knee Ligament Registry of 4691 Patients: How Does Meniscal Repair or Resection Affect Short-term Outcomes?
Am J Sports Med, 43 (7), 1591-7
DOI 10.1177/0363546515577364, PubMed 25868635

LaPrade CM, Foad A, Smith SD, Turnbull TL, Dornan GJ, Engebretsen L, Wijdicks CA, LaPrade RF (2015)
Biomechanical consequences of a nonanatomic posterior medial meniscal root repair
Am J Sports Med, 43 (4), 912-20
DOI 10.1177/0363546514566191, PubMed 25622987

LaPrade RF, Engebretsen L, Marx RG (2015)
Repair and Reconstruction of Medial- and Lateral-sided Knee Injuries
Instr Course Lect, 64, 531-42
PubMed 25745936

LaPrade RF, Moulton SG, Cram TR, Geeslin AG, LaPrade CM, Engebretsen L (2015)
Meniscal Root Repairs
JBJS Essent Surg Tech, 5 (4), e19
DOI 10.2106/JBJS.ST.N.00098, PubMed 30405953

LaPrade RF, Moulton SG, Cram TR, Geeslin AG, LaPrade CM, Engebretsen L (2015)
Medial and Lateral Meniscal Inside-Out Repairs
JBJS Essent Surg Tech, 5 (4), e24
DOI 10.2106/JBJS.ST.N.00097, PubMed 30405958

LaPrade RF, Moulton SG, Nitri M, Mueller W, Engebretsen L (2015)
Clinically relevant anatomy and what anatomic reconstruction means
Knee Surg Sports Traumatol Arthrosc, 23 (10), 2950-9
DOI 10.1007/s00167-015-3629-1, PubMed 25957611

Moksnes H, Engebretsen L (2015)
It takes more than timing: letter to the editor
Am J Sports Med, 43 (6), NP14-5
DOI 10.1177/0363546515585289, PubMed 26025937

Moksnes H, Engebretsen L, Seil R (2015)
The ESSKA paediatric anterior cruciate ligament monitoring initiative
Knee Surg Sports Traumatol Arthrosc, 24 (3), 680-7
DOI 10.1007/s00167-015-3746-x, PubMed 26249112

Owesen C, Sivertsen EA, Engebretsen L, Granan LP, Årøen A (2015)
Patients With Isolated PCL Injuries Improve From Surgery as Much as Patients With ACL Injuries After 2 Years
Orthop J Sports Med, 3 (8), 2325967115599539
DOI 10.1177/2325967115599539, PubMed 26535391

Persson A, Kjellsen AB, Fjeldsgaard K, Engebretsen L, Espehaug B, Fevang JM (2015)
Registry data highlight increased revision rates for endobutton/biosure HA in ACL reconstruction with hamstring tendon autograft: a nationwide cohort study from the Norwegian Knee Ligament Registry, 2004-2013
Am J Sports Med, 43 (9), 2182-8
DOI 10.1177/0363546515584757, PubMed 25977524

Røtterud JH, Sivertsen EA, Forssblad M, Engebretsen L, Årøen A (2015)
Effect on Patient-Reported Outcomes of Debridement or Microfracture of Concomitant Full-Thickness Cartilage Lesions in Anterior Cruciate Ligament-Reconstructed Knees: A Nationwide Cohort Study From Norway and Sweden of 357 Patients With 2-Year Follow-up
Am J Sports Med, 44 (2), 337-44
DOI 10.1177/0363546515617468, PubMed 26657851

Soligard T, Steffen K, Palmer-Green D, Aubry M, Grant ME, Meeuwisse W, Mountjoy M, Budgett R, Engebretsen L (2015)
Sports injuries and illnesses in the Sochi 2014 Olympic Winter Games
Br J Sports Med, 49 (7), 441-7
DOI 10.1136/bjsports-2014-094538, PubMed 25631542

Publications 2014

Budgett R, Engebretsen L (2014)
The protection of clean athletes through the IOC research fund
Br J Sports Med, 49 (1), 2
DOI 10.1136/bjsports-2014-094385, PubMed 25650446

Crespo B, Aga C, Wilson KJ, Pomeroy SM, LaPrade RF, Engebretsen L, Wijdicks CA (2014)
Measurements of bone tunnel size in anterior cruciate ligament reconstruction: 2D versus 3D computed tomography model
J Exp Orthop, 1 (1), 2
DOI 10.1186/s40634-014-0002-0, PubMed 26914747

Culvenor AG, Engen CN, Øiestad BE, Engebretsen L, Risberg MA (2014)
Defining the presence of radiographic knee osteoarthritis: a comparison between the Kellgren and Lawrence system and OARSI atlas criteria
Knee Surg Sports Traumatol Arthrosc, 23 (12), 3532-9
DOI 10.1007/s00167-014-3205-0, PubMed 25079135

Ellman MB, LaPrade CM, Smith SD, Rasmussen MT, Engebretsen L, Wijdicks CA, LaPrade RF (2014)
Structural Properties of the Meniscal Roots
Am J Sports Med, 42 (8), 1881-7
DOI 10.1177/0363546514531730, PubMed 24799425

Engebretsen L (2014)
ACL surgery is not for all patients, nor for all surgeons
Knee Surg Sports Traumatol Arthrosc, 22 (1), 1-2
DOI 10.1007/s00167-013-2748-9, PubMed 24201899

Engebretsen L, Bahr R, Cook JL, Derman W, Emery CA, Finch CF, Meeuwisse WH, Schwellnus M, Steffen K (2014)
The IOC Centres of Excellence bring prevention to sports medicine
Br J Sports Med, 48 (17), 1270-5
DOI 10.1136/bjsports-2014-093992, PubMed 25114181

Figved W, Grindem H, Aaberg M, Engebretsen L (2014)
Muscle strength measurements and functional outcome of an untreated complete distal rectus femoris muscle tear
BMJ Case Rep, 2014
DOI 10.1136/bcr-2013-203191, PubMed 25378109

Gifstad T, Foss OA, Engebretsen L, Lind M, Forssblad M, Albrektsen G, Drogset JO (2014)
Lower risk of revision with patellar tendon autografts compared with hamstring autografts: a registry study based on 45,998 primary ACL reconstructions in Scandinavia
Am J Sports Med, 42 (10), 2319-28
DOI 10.1177/0363546514548164, PubMed 25201444

Granan LP, Baste V, Engebretsen L, Inacio MC (2014)
Associations between inadequate knee function detected by KOOS and prospective graft failure in an anterior cruciate ligament-reconstructed knee
Knee Surg Sports Traumatol Arthrosc, 23 (4), 1135-40
DOI 10.1007/s00167-014-2925-5, PubMed 24619491

Grindem H, Eitzen I, Engebretsen L, Snyder-Mackler L, Risberg MA (2014)
Nonsurgical or Surgical Treatment of ACL Injuries: Knee Function, Sports Participation, and Knee Reinjury: The Delaware-Oslo ACL Cohort Study
J Bone Joint Surg Am, 96 (15), 1233-1241
DOI 10.2106/JBJS.M.01054, PubMed 25100769

Grindem H, Granan LP, Risberg MA, Engebretsen L, Snyder-Mackler L, Eitzen I (2014)
How does a combined preoperative and postoperative rehabilitation programme influence the outcome of ACL reconstruction 2 years after surgery? A comparison between patients in the Delaware-Oslo ACL Cohort and the Norwegian National Knee Ligament Registry
Br J Sports Med, 49 (6), 385-9
DOI 10.1136/bjsports-2014-093891, PubMed 25351782

James EW, LaPrade CM, Ellman MB, Wijdicks CA, Engebretsen L, LaPrade RF (2014)
Radiographic identification of the anterior and posterior root attachments of the medial and lateral menisci
Am J Sports Med, 42 (11), 2707-14
DOI 10.1177/0363546514545863, PubMed 25143488

Kennedy NI, LaPrade RF, Goldsmith MT, Faucett SC, Rasmussen MT, Coatney GA, Engebretsen L, Wijdicks CA (2014)
Posterior cruciate ligament graft fixation angles, part 2: biomechanical evaluation for anatomic double-bundle reconstruction
Am J Sports Med, 42 (10), 2346-55
DOI 10.1177/0363546514541226, PubMed 25091116

Kennedy NI, LaPrade RF, Goldsmith MT, Faucett SC, Rasmussen MT, Coatney GA, Engebretsen L, Wijdicks CA (2014)
Posterior cruciate ligament graft fixation angles, part 1: biomechanical evaluation for anatomic single-bundle reconstruction
Am J Sports Med, 42 (10), 2338-45
DOI 10.1177/0363546514541225, PubMed 25091117

Kennedy NI, Michalski MP, Engebretsen L, LaPrade RF (2014)
Iatrogenic Meniscus Posterior Root Injury Following Reconstruction of the Posterior Cruciate Ligament: A Report of Three Cases
JBJS Case Connect, 4 (1 Suppl 6), e20
DOI 10.2106/JBJS.CC.M.00175, PubMed 29252579

LaPrade CM, Ellman MB, Rasmussen MT, James EW, Wijdicks CA, Engebretsen L, LaPrade RF (2014)
Anatomy of the anterior root attachments of the medial and lateral menisci: a quantitative analysis
Am J Sports Med, 42 (10), 2386-92
DOI 10.1177/0363546514544678, PubMed 25106782

LaPrade CM, James EW, Cram TR, Feagin JA, Engebretsen L, LaPrade RF (2014)
Meniscal root tears: a classification system based on tear morphology
Am J Sports Med, 43 (2), 363-9
DOI 10.1177/0363546514559684, PubMed 25451789

Laprade CM, James EW, Engebretsen L, Laprade RF (2014)
Anterior medial meniscal root avulsions due to malposition of the tibial tunnel during anterior cruciate ligament reconstruction: two case reports
Knee Surg Sports Traumatol Arthrosc, 22 (5), 1119-23
DOI 10.1007/s00167-014-2868-x, PubMed 24482217

LaPrade CM, James EW, LaPrade RF, Engebretsen L (2014)
How should we evaluate outcomes for use of biologics in the knee?
J Knee Surg, 28 (1), 35-44
DOI 10.1055/s-0034-1390028, PubMed 25260033

LaPrade CM, Smith SD, Rasmussen MT, Hamming MG, Wijdicks CA, Engebretsen L, Feagin JA, LaPrade RF (2014)
Consequences of tibial tunnel reaming on the meniscal roots during cruciate ligament reconstruction in a cadaveric model, Part 2: The posterior cruciate ligament
Am J Sports Med, 43 (1), 207-12
DOI 10.1177/0363546514554771, PubMed 25361857

LaPrade CM, Smith SD, Rasmussen MT, Hamming MG, Wijdicks CA, Engebretsen L, Feagin JA, LaPrade RF (2014)
Consequences of tibial tunnel reaming on the meniscal roots during cruciate ligament reconstruction in a cadaveric model, Part 1: The anterior cruciate ligament
Am J Sports Med, 43 (1), 200-6
DOI 10.1177/0363546514554769, PubMed 25361859

Laprade RF, Griffith CJ, Coobs BR, Geeslin AG, Johansen S, Engebretsen L (2014)
Improving outcomes for posterolateral knee injuries
J Orthop Res, 32 (4), 485-91
DOI 10.1002/jor.22572, PubMed 24391078

Logerstedt D, Di Stasi S, Grindem H, Lynch A, Eitzen I, Engebretsen L, Risberg MA, Axe MJ, Snyder-Mackler L (2014)
Self-reported knee function can identify athletes who fail return-to-activity criteria up to 1 year after anterior cruciate ligament reconstruction: a delaware-oslo ACL cohort study
J Orthop Sports Phys Ther, 44 (12), 914-23
DOI 10.2519/jospt.2014.4852, PubMed 25347228

Lundgreen K, Lian OB, Scott A, Nassab P, Fearon A, Engebretsen L (2014)
Rotator cuff tear degeneration and cell apoptosis in smokers versus nonsmokers
Arthroscopy, 30 (8), 936-41
DOI 10.1016/j.arthro.2014.03.027, PubMed 24863404

Magnussen RA, Trojani C, Granan LP, Neyret P, Colombet P, Engebretsen L, Wright RW, Kaeding CC, MARS Group, SFA Revision ACL Group (2014)
Patient demographics and surgical characteristics in ACL revision: a comparison of French, Norwegian, and North American cohorts
Knee Surg Sports Traumatol Arthrosc, 23 (8), 2339-2348
DOI 10.1007/s00167-014-3060-z, PubMed 24850239

Molund M, Engebretsen L, Hvaal K, Hellesnes J, Ellingsen Husebye E (2014)
Posterior tibial tendon transfer improves function for foot drop after knee dislocation
Clin Orthop Relat Res, 472 (9), 2637-43
DOI 10.1007/s11999-014-3533-x, PubMed 24566891

Steffen K, Engebretsen L (2014)
The importance of sports medicine for the Sochi Games
Br J Sports Med, 48 (1), 1-2
DOI 10.1136/bjsports-2013-093253, PubMed 24334503

Ulstein S, Årøen A, Røtterud JH, Løken S, Engebretsen L, Heir S (2014)
Microfracture technique versus osteochondral autologous transplantation mosaicplasty in patients with articular chondral lesions of the knee: a prospective randomized trial with long-term follow-up
Knee Surg Sports Traumatol Arthrosc, 22 (6), 1207-15
DOI 10.1007/s00167-014-2843-6, PubMed 24441734

Publications 2013

Aga C, Rasmussen MT, Smith SD, Jansson KS, LaPrade RF, Engebretsen L, Wijdicks CA (2013)
Biomechanical comparison of interference screws and combination screw and sheath devices for soft tissue anterior cruciate ligament reconstruction on the tibial side
Am J Sports Med, 41 (4), 841-8
DOI 10.1177/0363546512474968, PubMed 23404085

Andersen CA, Clarsen B, Johansen TV, Engebretsen L (2013)
High prevalence of overuse injury among iron-distance triathletes
Br J Sports Med, 47 (13), 857-61
DOI 10.1136/bjsports-2013-092397, PubMed 23902775

Aubry M, Dvorák J, McCrory P, Meeuwisse W, Raftery M, Sills A, Engebretsen L (2013)
Zero tolerance: the future of head injury in sports
Br J Sports Med, 47 (5), 249
DOI 10.1136/bjsports-2012-092114, PubMed 23479478

Bethapudi S, Budgett R, Engebretsen L, O'Connor P (2013)
Imaging at London 2012 summer Olympic Games: analysis of demand and distribution of workload
Br J Sports Med, 47 (13), 850-6
DOI 10.1136/bjsports-2013-092345, PubMed 23881896

Bethapudi S, Robinson P, Engebretsen L, Budgett R, Vanhegan IS, O'Connor P (2013)
Elbow injuries at the London 2012 Summer Olympic Games: demographics and pictorial imaging review
AJR Am J Roentgenol, 201 (3), 535-49
DOI 10.2214/AJR.13.10897, PubMed 23883174

Elias DA, Carne A, Bethapudi S, Engebretsen L, Budgett R, O'Connor P (2013)
Imaging of plantar fascia and Achilles injuries undertaken at the London 2012 Olympics
Skeletal Radiol, 42 (12), 1645-55
DOI 10.1007/s00256-013-1689-1, PubMed 23903598

Engebretsen L, Soligard T, Steffen K, Alonso JM, Aubry M, Budgett R, Dvorak J, Jegathesan M, Meeuwisse WH, Mountjoy M, Palmer-Green D, Vanhegan I, Renström PA (2013)
Sports injuries and illnesses during the London Summer Olympic Games 2012
Br J Sports Med, 47 (7), 407-14
DOI 10.1136/bjsports-2013-092380, PubMed 23515712

Goldsmith MT, Jansson KS, Smith SD, Engebretsen L, LaPrade RF, Wijdicks CA (2013)
Biomechanical comparison of anatomic single- and double-bundle anterior cruciate ligament reconstructions: an in vitro study
Am J Sports Med, 41 (7), 1595-604
DOI 10.1177/0363546513487065, PubMed 23696212

Granan LP, Inacio MC, Maletis GB, Funahashi TT, Engebretsen L (2013)
Sport-specific injury pattern recorded during anterior cruciate ligament reconstruction
Am J Sports Med, 41 (12), 2814-8
DOI 10.1177/0363546513501791, PubMed 24005874

Kennedy NI, Wijdicks CA, Goldsmith MT, Michalski MP, Devitt BM, Årøen A, Engebretsen L, LaPrade RF (2013)
Kinematic analysis of the posterior cruciate ligament, part 1: the individual and collective function of the anterolateral and posteromedial bundles
Am J Sports Med, 41 (12), 2828-38
DOI 10.1177/0363546513504287, PubMed 24064797

Laprade RF, Surowiec RK, Sochanska AN, Hentkowski BS, Martin BM, Engebretsen L, Wijdicks CA (2013)
Epidemiology, identification, treatment and return to play of musculoskeletal-based ice hockey injuries
Br J Sports Med, 48 (1), 4-10
DOI 10.1136/bjsports-2013-093020, PubMed 24285783

Lundgreen K, Lian OB, Engebretsen L, Scott A (2013)
Lower muscle regenerative potential in full-thickness supraspinatus tears compared to partial-thickness tears
Acta Orthop, 84 (6), 565-70
DOI 10.3109/17453674.2013.858289, PubMed 24171689

Lynch AD, Logerstedt DS, Grindem H, Eitzen I, Hicks GE, Axe MJ, Engebretsen L, Risberg MA, Snyder-Mackler L (2013)
Consensus criteria for defining 'successful outcome' after ACL injury and reconstruction: a Delaware-Oslo ACL cohort investigation
Br J Sports Med, 49 (5), 335-42
DOI 10.1136/bjsports-2013-092299, PubMed 23881894

Matheson GO, Klügl M, Engebretsen L, Bendiksen F, Blair SN, Börjesson M, Budgett R, Derman W, Erdener U, Ioannidis JP, Khan KM, Martinez R, Van Mechelen W, Mountjoy M, Sallis RE, Schwellnus M, Shultz R, Soligard T, Steffen K, Sundberg CJ, Weiler R, Ljungqvist A (2013)
Prevention and management of non-communicable disease: the IOC consensus statement, Lausanne 2013
Br J Sports Med, 47 (16), 1003-11
DOI 10.1136/bjsports-2013-093034, PubMed 24115479

Matheson GO, Klügl M, Engebretsen L, Bendiksen F, Blair SN, Börjesson M, Budgett R, Derman W, Erdener U, Ioannidis JP, Khan KM, Martinez R, van Mechelen W, Mountjoy M, Sallis RE, Schwellnus M, Shultz R, Soligard T, Steffen K, Sundberg CJ, Weiler R, Ljungqvist A (2013)
Prevention and management of non-communicable disease: the IOC consensus statement, Lausanne 2013
Sports Med, 43 (11), 1075-88
DOI 10.1007/s40279-013-0104-3, PubMed 24129783

Matheson GO, Klügl M, Engebretsen L, Bendiksen F, Blair SN, Börjesson M, Budgett R, Derman W, Erdener U, Ioannidis JP, Khan KM, Martinez R, van Mechelen W, Mountjoy M, Sallis RE, Schwellnus M, Shultz R, Soligard T, Steffen K, Sundberg CJ, Weiler R, Ljungqvist A (2013)
Prevention and management of noncommunicable disease: the IOC Consensus Statement, Lausanne 2013
Clin J Sport Med, 23 (6), 419-29
DOI 10.1097/JSM.0000000000000038, PubMed 24169298

Maughan RJ, Engebretsen L, Soligard T, Budgett R (2013)
The IOC Diploma programme in sports medicine
Br J Sports Med, 47 (13), 812
DOI 10.1136/bjsports-2013-092792, PubMed 23881897

McCrory P, Meeuwisse W, Aubry M, Cantu B, Dvorak J, Echemendia R, Engebretsen L, Johnston K, Kutcher J, Raftery M, Sills A, Benson B, Davis G, Ellenbogen R, Guskiewicz K, Herring SA, Iverson G, Jordan B, Kissick J, McCrea M, McIntosh A, Maddocks D, Makdissi M, Purcell L, Putukian M et al. (2013)
Consensus statement on Concussion in Sport--the 4th International Conference on Concussion in Sport held in Zurich, November 2012
J Sci Med Sport, 16 (3), 178-89
DOI 10.1016/j.jsams.2013.02.009, PubMed 23541595

McCrory P, Meeuwisse W, Aubry M, Cantu B, Dvořák J, Echemendia R, Engebretsen L, Johnston K, Kutcher J, Raftery M, Sills A, Benson B, Davis G, Ellenbogen R, Guskiewicz K, Herring SA, Iverson G, Jordan B, Kissick J, McCrea M, McIntosh A, Maddocks D, Makdissi M, Purcell L, Putukian M et al. (2013)
Consensus statement on Concussion in Sport - The 4th International Conference on Concussion in Sport held in Zurich, November 2012
Phys Ther Sport, 14 (2), e1-e13
DOI 10.1016/j.ptsp.2013.03.002, PubMed 23664041

McCrory P, Meeuwisse W, Aubry M, Cantu B, Dvorak J, Echemendia RJ, Engebretsen L, Johnston K, Kutcher JS, Raftery M, Sills A, Kathryn Schneider, PT, PhD, Charles H. Tator, MD, PHD, Benson BW, Davis GA, Ellenbogen RG, Guskiewicz KM, Herring SA, Iverson G, Jordan BD, Kissick J, McCrea M, McIntosh AS, Maddocks DL, Makdissi M, Purcell L et al. (2013)
Consensus statement on concussion in sport--the 4th International Conference on Concussion in Sport held in Zurich, November 2012
Clin J Sport Med, 23 (2), 89-117
DOI 10.1097/JSM.0b013e31828b67cf, PubMed 23478784

McCrory P, Meeuwisse WH, Aubry M, Cantu B, Dvořák J, Echemendia RJ, Engebretsen L, Johnston K, Kutcher JS, Raftery M, Sills A, Benson BW, Davis GA, Ellenbogan R, Guskiewicz K, Herring SA, Iverson GL, Jordan BD, Kissick J, McCrea M, McIntosh AS, Maddocks D, Makdissi M, Purcell L, Putukian M et al. (2013)
Consensus statement on concussion in sport: the 4th International Conference on Concussion in Sport held in Zurich, November 2012
J Am Coll Surg, 216 (5), e55-71
DOI 10.1016/j.jamcollsurg.2013.02.020, PubMed 23582174

McCrory P, Meeuwisse WH, Aubry M, Cantu B, Dvorák J, Echemendia RJ, Engebretsen L, Johnston K, Kutcher JS, Raftery M, Sills A, Benson BW, Davis GA, Ellenbogen RG, Guskiewicz K, Herring SA, Iverson GL, Jordan BD, Kissick J, McCrea M, McIntosh AS, Maddocks D, Makdissi M, Purcell L, Putukian M et al. (2013)
Consensus statement on concussion in sport: the 4th International Conference on Concussion in Sport held in Zurich, November 2012
Br J Sports Med, 47 (5), 250-8
DOI 10.1136/bjsports-2013-092313, PubMed 23479479

McCrory P, Meeuwisse WH, Aubry M, Cantu RC, Dvořák J, Echemendia RJ, Engebretsen L, Johnston K, Kutcher JS, Raftery M, Sills A, Benson BW, Davis GA, Ellenbogen R, Guskiewicz KM, Herring SA, Iverson GL, Jordan BD, Kissick J, McCrea M, McIntosh AS, Maddocks D, Makdissi M, Purcell L, Putukian M et al. (2013)
Consensus statement on concussion in sport: the 4th International Conference on Concussion in Sport, Zurich, November 2012
J Athl Train, 48 (4), 554-75
DOI 10.4085/1062-6050-48.4.05, PubMed 23855364

McCrory P, Meeuwisse WH, Aubry M, Cantu RC, Dvořák J, Echemendia RJ, Engebretsen L, Johnston KM, Kutcher JS, Raftery M, Sills A, Benson BW, Davis GA, Ellenbogen R, Guskiewicz KM, Herring SA, Iverson GL, Jordan BD, Kissick J, McCrea M, McIntosh AS, Maddocks DL, Makdissi M, Purcell L, Putukian M et al. (2013)
Consensus statement on concussion in sport--the 4th International Conference on Concussion in Sport held in Zurich, November 2012
PM R, 5 (4), 255-79
DOI 10.1016/j.pmrj.2013.02.012, PubMed 23466418

Moksnes H, Engebretsen L, Eitzen I, Risberg MA (2013)
Functional outcomes following a non-operative treatment algorithm for anterior cruciate ligament injuries in skeletally immature children 12 years and younger. A prospective cohort with 2 years follow-up
Br J Sports Med, 47 (8), 488-94
DOI 10.1136/bjsports-2012-092066, PubMed 23446640

Moksnes H, Engebretsen L, Risberg MA (2013)
Prevalence and incidence of new meniscus and cartilage injuries after a nonoperative treatment algorithm for ACL tears in skeletally immature children: a prospective MRI study
Am J Sports Med, 41 (8), 1771-9
DOI 10.1177/0363546513491092, PubMed 23771955

Needleman I, Ashley P, Petrie A, Fortune F, Turner W, Jones J, Niggli J, Engebretsen L, Budgett R, Donos N, Clough T, Porter S (2013)
Oral health and impact on performance of athletes participating in the London 2012 Olympic Games: a cross-sectional study
Br J Sports Med, 47 (16), 1054-8
DOI 10.1136/bjsports-2013-092891, PubMed 24068332

Persson A, Fjeldsgaard K, Gjertsen JE, Kjellsen AB, Engebretsen L, Hole RM, Fevang JM (2013)
Increased risk of revision with hamstring tendon grafts compared with patellar tendon grafts after anterior cruciate ligament reconstruction: a study of 12,643 patients from the Norwegian Cruciate Ligament Registry, 2004-2012
Am J Sports Med, 42 (2), 285-91
DOI 10.1177/0363546513511419, PubMed 24322979

Provvidenza C, Engebretsen L, Tator C, Kissick J, McCrory P, Sills A, Johnston KM (2013)
From consensus to action: knowledge transfer, education and influencing policy on sports concussion
Br J Sports Med, 47 (5), 332-8
DOI 10.1136/bjsports-2012-092099, PubMed 23349319

Røtterud JH, Sivertsen EA, Forssblad M, Engebretsen L, Arøen A (2013)
Effect of meniscal and focal cartilage lesions on patient-reported outcome after anterior cruciate ligament reconstruction: a nationwide cohort study from Norway and Sweden of 8476 patients with 2-year follow-up
Am J Sports Med, 41 (3), 535-43
DOI 10.1177/0363546512473571, PubMed 23371474

van der Made AD, Wieldraaijer T, Kerkhoffs GM, Kleipool RP, Engebretsen L, van Dijk CN, Golanó P (2013)
The hamstring muscle complex
Knee Surg Sports Traumatol Arthrosc, 23 (7), 2115-22
DOI 10.1007/s00167-013-2744-0, PubMed 24190369

Vanhegan IS, Palmer-Green D, Soligard T, Steffen K, O'Connor P, Bethapudi S, Budgett R, Haddad FS, Engebretsen L (2013)
The London 2012 Summer Olympic Games: an analysis of usage of the Olympic Village 'Polyclinic' by competing athletes
Br J Sports Med, 47 (7), 415-9
DOI 10.1136/bjsports-2013-092325, PubMed 23467963

Wijdicks CA, Kennedy NI, Goldsmith MT, Devitt BM, Michalski MP, Årøen A, Engebretsen L, LaPrade RF (2013)
Kinematic analysis of the posterior cruciate ligament, part 2: a comparison of anatomic single- versus double-bundle reconstruction
Am J Sports Med, 41 (12), 2839-48
DOI 10.1177/0363546513504384, PubMed 24092043

Wijdicks CA, Michalski MP, Rasmussen MT, Goldsmith MT, Kennedy NI, Lind M, Engebretsen L, LaPrade RF (2013)
Superficial medial collateral ligament anatomic augmented repair versus anatomic reconstruction: an in vitro biomechanical analysis
Am J Sports Med, 41 (12), 2858-66
DOI 10.1177/0363546513503289, PubMed 24036572

Wijdicks CA, Rosenbach BS, Flanagan TR, Bower GE, Newman KE, Clanton TO, Engebretsen L, Laprade RF, Hackett TR (2013)
Injuries in elite and recreational snowboarders
Br J Sports Med, 48 (1), 11-7
DOI 10.1136/bjsports-2013-093019, PubMed 24282020

Østerås N, Risberg MA, Kvien TK, Engebretsen L, Nordsletten L, Bruusgaard D, Schjervheim UB, Haugen IK, Hammer HB, Provan S, Øiestad BE, Semb AG, Rollefstad S, Hagen KB, Uhlig T, Slatkowsky-Christensen B, Kjeken I, Flugsrud G, Grotle M, Sesseng S, Edvardsen H, Natvig B (2013)
Hand, hip and knee osteoarthritis in a Norwegian population-based study--the MUST protocol
BMC Musculoskelet Disord, 14, 201
DOI 10.1186/1471-2474-14-201, PubMed 23826721

Publications 2012

Anderson CJ, Ziegler CG, Wijdicks CA, Engebretsen L, LaPrade RF (2012)
Arthroscopically pertinent anatomy of the anterolateral and posteromedial bundles of the posterior cruciate ligament
J Bone Joint Surg Am, 94 (21), 1936-45
DOI 10.2106/JBJS.K.01710, PubMed 23138236

Arøen A, Sivertsen EA, Owesen C, Engebretsen L, Granan LP (2012)
An isolated rupture of the posterior cruciate ligament results in reduced preoperative knee function in comparison with an anterior cruciate ligament injury
Knee Surg Sports Traumatol Arthrosc, 21 (5), 1017-22
DOI 10.1007/s00167-012-2132-1, PubMed 22801932

Bergeron MF, Bahr R, Bärtsch P, Bourdon L, Calbet JA, Carlsen KH, Castagna O, González-Alonso J, Lundby C, Maughan RJ, Millet G, Mountjoy M, Racinais S, Rasmussen P, Singh DG, Subudhi AW, Young AJ, Soligard T, Engebretsen L (2012)
International Olympic Committee consensus statement on thermoregulatory and altitude challenges for high-level athletes
Br J Sports Med, 46 (11), 770-9
DOI 10.1136/bjsports-2012-091296, PubMed 22685119

Bergeron MF, Engebretsen L (2012)
Protecting elite athletes in extreme and challenging environments: advancing the dialogue
Br J Sports Med, 46 (11), 769
DOI 10.1136/bjsports-2012-091457, PubMed 23074717

Blank C, Schamasch P, Engebretsen L, Haslinger S, Ruedl G, Fink C, Schobersberger W (2012)
Medical services at the first Winter Youth Olympic Games 2012 in Innsbruck/Austria
Br J Sports Med, 46 (15), 1048-54
DOI 10.1136/bjsports-2012-091602, PubMed 23118119

Engebretsen L, Schamasch P (2012)
The Use of Platelet-Rich Plasma in Sports Medicine-the International Olympic Committee Opinion
Oper. Tech. Orthop., 22 (1), 43-48
DOI 10.1053/j.oto.2011.10.006

Engebretsen L, Steffen K (2012)
Sports medicine and science gearing up for London, enjoy the ICSEMIS congress in Glasgow
Br. J. Sports Med., 46 (3), 157
DOI 10.1136/bjsports-2012-090932

Granan LP, Inacio MC, Maletis GB, Funahashi TT, Engebretsen L (2012)
Intraoperative findings and procedures in culturally and geographically different patient and surgeon populations: an anterior cruciate ligament reconstruction registry comparison between Norway and the USA
Acta Orthop, 83 (6), 577-82
DOI 10.3109/17453674.2012.741451, PubMed 23116436

Johannsen AM, Anderson CJ, Wijdicks CA, Engebretsen L, LaPrade RF (2012)
Radiographic landmarks for tunnel positioning in posterior cruciate ligament reconstructions
Am J Sports Med, 41 (1), 35-42
DOI 10.1177/0363546512465072, PubMed 23144369

Langmoen IA, Foss A, Kvalheim G, Engebretsen L, Glover JC (2012)
[Stem cell research--new hope?]
Tidsskr Nor Laegeforen, 132 (23-24), 2584
DOI 10.4045/tidsskr.12.1324, PubMed 23338066

Logerstedt D, Grindem H, Lynch A, Eitzen I, Engebretsen L, Risberg MA, Axe MJ, Snyder-Mackler L (2012)
Single-legged hop tests as predictors of self-reported knee function after anterior cruciate ligament reconstruction: the Delaware-Oslo ACL cohort study
Am J Sports Med, 40 (10), 2348-56
DOI 10.1177/0363546512457551, PubMed 22926749

Lundgreen K, Lian Ø, Scott A, Engebretsen L (2012)
Increased levels of apoptosis and p53 in partial-thickness supraspinatus tendon tears
Knee Surg Sports Traumatol Arthrosc, 21 (7), 1636-41
DOI 10.1007/s00167-012-2226-9, PubMed 23052118

Moksnes H, Engebretsen L, Risberg MA (2012)
The current evidence for treatment of ACL injuries in children is low: a systematic review
J Bone Joint Surg Am, 94 (12), 1112-9
DOI 10.2106/JBJS.K.00960, PubMed 22717830

Ruedl G, Schobersberger W, Pocecco E, Blank C, Engebretsen L, Soligard T, Steffen K, Kopp M, Burtscher M (2012)
Sport injuries and illnesses during the first Winter Youth Olympic Games 2012 in Innsbruck, Austria
Br J Sports Med, 46 (15), 1030-7
DOI 10.1136/bjsports-2012-091534, PubMed 23148325

Skårderud F, Fladvad T, Garthe I, Holmlund H, Engebretsen L (2012)
[When sports and health collide]
Tidsskr Nor Laegeforen, 132 (17), 1977-8
DOI 10.4045/tidsskr.11.1297, PubMed 23007366

Skårderud F, Fladvad T, Holmlund H, Garthe I, Engebretsen L (2012)
The malnourished athlete--guidelines for interventions
Tidsskr Nor Laegeforen, 132 (17), 1944
DOI 10.4045/tidsskr.12.0574, PubMed 23007353

Steffen K, Soligard T, Engebretsen L (2012)
Health protection of the Olympic athlete
Br J Sports Med, 46 (7), 466-70
DOI 10.1136/bjsports-2012-091168, PubMed 22661696

Steinwachs MR, Engebretsen L, Brophy RH (2012)
Scientific Evidence Base for Cartilage Injury and Repair in the Athlete
Cartilage, 3 (1 Suppl), 11S-7S
DOI 10.1177/1947603511415841, PubMed 26069601

Ytterstad K, Granan LP, Ytterstad B, Steindal K, Fjeldsgaard KA, Furnes O, Engebretsen L (2012)
Registration rate in the Norwegian Cruciate Ligament Register: large-volume hospitals perform better
Acta Orthop, 83 (2), 174-8
DOI 10.3109/17453674.2012.678800, PubMed 22489890

Øiestad BE, Holm I, Engebretsen L, Aune AK, Gunderson R, Risberg MA (2012)
The prevalence of patellofemoral osteoarthritis 12 years after anterior cruciate ligament reconstruction
Knee Surg Sports Traumatol Arthrosc, 21 (4), 942-9
DOI 10.1007/s00167-012-2161-9, PubMed 22898911

Publications 2011

Engebretsen L, Wijdicks CA, Anderson CJ, Westerhaus B, LaPrade RF (2011)
Evaluation of a simulated pivot shift test: a biomechanical study
Knee Surg Sports Traumatol Arthrosc, 20 (4), 698-702
DOI 10.1007/s00167-011-1744-1, PubMed 22057355

Getgood A, Collins B, Slynarski K, Kurowska E, Parker D, Engebretsen L, MacDonald PB, Litchfield R (2011)
Short-term safety and efficacy of a novel high tibial osteotomy system: a case controlled study
Knee Surg Sports Traumatol Arthrosc, 21 (1), 260-9
DOI 10.1007/s00167-011-1709-4, PubMed 22005964

Gokeler A, Benjaminse A, Hewett TE, Lephart SM, Engebretsen L, Ageberg E, Engelhardt M, Arnold MP, Postema K, Otten E, Dijkstra PU (2011)
Proprioceptive deficits after ACL injury: are they clinically relevant?
Br J Sports Med, 46 (3), 180-92
DOI 10.1136/bjsm.2010.082578, PubMed 21511738

Grindem H, Logerstedt D, Eitzen I, Moksnes H, Axe MJ, Snyder-Mackler L, Engebretsen L, Risberg MA (2011)
Single-legged hop tests as predictors of self-reported knee function in nonoperatively treated individuals with anterior cruciate ligament injury
Am J Sports Med, 39 (11), 2347-54
DOI 10.1177/0363546511417085, PubMed 21828364

Hanstad DV, Rønsen O, Andersen SS, Steffen K, Engebretsen L (2011)
Fit for the fight? Illnesses in the Norwegian team in the Vancouver Olympic Games
Br J Sports Med, 45 (7), 571-5
DOI 10.1136/bjsm.2010.081364, PubMed 21393259

Heir S, Årøen A, Løken S, Holme I, Engebretsen L, Reinholt FP (2011)
Cartilage repair in the rabbit knee: mosaic plasty resulted in higher degree of tissue filling but affected subchondral bone more than microfracture technique: a blinded, randomized, controlled, long-term follow-up trial in 88 knees
Knee Surg Sports Traumatol Arthrosc, 20 (2), 197-209
DOI 10.1007/s00167-011-1596-8, PubMed 21892626

Koga H, Bahr R, Myklebust G, Engebretsen L, Grund T, Krosshaug T (2011)
Estimating anterior tibial translation from model-based image-matching of a noncontact anterior cruciate ligament injury in professional football: a case report
Clin J Sport Med, 21 (3), 271-4
DOI 10.1097/JSM.0b013e31821899ec, PubMed 21487293

LaPrade RF, Johansen S, Engebretsen L (2011)
Outcomes of an anatomic posterolateral knee reconstruction: surgical technique
J Bone Joint Surg Am, 93 Suppl 1, 10-20
DOI 10.2106/JBJS.J.01243, PubMed 21411682

Lundgreen K, Lian OB, Engebretsen L, Scott A (2011)
Tenocyte apoptosis in the torn rotator cuff: a primary or secondary pathological event?
Br J Sports Med, 45 (13), 1035-9
DOI 10.1136/bjsm.2010.083188, PubMed 21482545

Luyten FP, Denti M, Filardo G, Kon E, Engebretsen L (2011)
Definition and classification of early osteoarthritis of the knee
Knee Surg Sports Traumatol Arthrosc, 20 (3), 401-6
DOI 10.1007/s00167-011-1743-2, PubMed 22068268

Løken S, Årøen A, Engebretsen L (2011)
Overtreatment of cruciate ligament injuries
Acta Orthop, 82 (1), 122; discussion 122-3
DOI 10.3109/17453674.2011.555374, PubMed 21281266

Maletis GB, Granan LP, Inacio MC, Funahashi TT, Engebretsen L (2011)
Comparison of community-based ACL reconstruction registries in the U.S. and Norway
J Bone Joint Surg Am, 93 Suppl 3, 31-6
DOI 10.2106/JBJS.K.00905, PubMed 22262420

Matheson GO, Klügl M, Dvorak J, Engebretsen L, Meeuwisse WH, Schwellnus M, Blair SN, van Mechelen W, Derman W, Börjesson M, Bendiksen F, Weiler R (2011)
Responsibility of sport and exercise medicine in preventing and managing chronic disease: applying our knowledge and skill is overdue
Br J Sports Med, 45 (16), 1272-82
DOI 10.1136/bjsports-2011-090328, PubMed 21948123

Micheli L, Mountjoy M, Engebretsen L, Hardman K, Kahlmeier S, Lambert E, Ljungqvist A, Matsudo V, McKay H, Sundberg CJ (2011)
Fitness and health of children through sport: the context for action
Br J Sports Med, 45 (11), 931-6
DOI 10.1136/bjsports-2011-090237, PubMed 21836177

Mok KM, Fong DT, Krosshaug T, Engebretsen L, Hung AS, Yung PS, Chan KM (2011)
Kinematics analysis of ankle inversion ligamentous sprain injuries in sports: 2 cases during the 2008 Beijing Olympics
Am J Sports Med, 39 (7), 1548-52
DOI 10.1177/0363546511399384, PubMed 21460069

Moksnes H, Engebretsen L, Risberg MA (2011)
Management of anterior cruciate ligament injuries in skeletally immature individuals
J Orthop Sports Phys Ther, 42 (3), 172-83
DOI 10.2519/jospt.2012.3608, PubMed 21891880

Mountjoy M, Andersen LB, Armstrong N, Biddle S, Boreham C, Bedenbeck HP, Ekelund U, Engebretsen L, Hardman K, Hills AP, Kahlmeier S, Kriemler S, Lambert E, Ljungqvist A, Matsudo V, McKay H, Micheli L, Pate R, Riddoch C, Schamasch P, Sundberg CJ, Tomkinson G, van Sluijs E, van Mechelen W (2011)
International Olympic Committee consensus statement on the health and fitness of young people through physical activity and sport
Br J Sports Med, 45 (11), 839-48
DOI 10.1136/bjsports-2011-090228, PubMed 21836168

Pietrini SD, Ziegler CG, Anderson CJ, Wijdicks CA, Westerhaus BD, Johansen S, Engebretsen L, LaPrade RF (2011)
Radiographic landmarks for tunnel positioning in double-bundle ACL reconstructions
Knee Surg Sports Traumatol Arthrosc, 19 (5), 792-800
DOI 10.1007/s00167-010-1372-1, PubMed 21222103

Rincon GA, Vyas D, Zhou J, Fu FH, Oiestad BE, Holm I, Aune AK, Gunderson R, Myklebust G, Engebretsen L, Fosdahl M, Risberg MA (2011)
"Knee function and prevalence of knee osteoarthritis after anterior cruciate ligament reconstruction: a prospective study with 10 to 15 years of follow-up". Letter to the editor
Am J Sports Med, 39 (4), NP3; author reply NP3-4
DOI 10.1177/0363546511403704, PubMed 21460071

Røtterud JH, Risberg MA, Engebretsen L, Årøen A (2011)
Patients with focal full-thickness cartilage lesions benefit less from ACL reconstruction at 2-5 years follow-up
Knee Surg Sports Traumatol Arthrosc, 20 (8), 1533-9
DOI 10.1007/s00167-011-1739-y, PubMed 22065293

Røtterud JH, Sivertsen EA, Forssblad M, Engebretsen L, Årøen A (2011)
Effect of gender and sports on the risk of full-thickness articular cartilage lesions in anterior cruciate ligament-injured knees: a nationwide cohort study from Sweden and Norway of 15 783 patients
Am J Sports Med, 39 (7), 1387-94
DOI 10.1177/0363546510397813, PubMed 21730206

Steffen K, Engebretsen L (2011)
The Youth Olympic Games and a new awakening for sports and exercise medicine
Br. J. Sports Med., 45 (16), 1251-1252
DOI 10.1136/bjsports-2011-090658

Steffen K, Soligard T, Engebretsen L (2011)
The IOC’s endeavour to protect the health of the athlete continues
Br J Sports Med, 45 (7), 551-2
DOI 10.1136/bjsports-2011-090070, PubMed 21714166

Takeda H, Nakagawa T, Nakamura K, Engebretsen L (2011)
Prevention and management of knee osteoarthritis and knee cartilage injury in sports
Br J Sports Med, 45 (4), 304-9
DOI 10.1136/bjsm.2010.082321, PubMed 21357577

Ytterstad K, Granan LP, Engebretsen L (2011)
[The Norwegian Cruciate Ligament Registry has a high degree of completeness]
Tidsskr Nor Laegeforen, 131 (3), 248-50
DOI 10.4045/tidsskr.10.0536, PubMed 21304574

Publications 2010

Alonso JM, Tscholl PM, Engebretsen L, Mountjoy M, Dvorak J, Junge A (2010)
Occurrence of injuries and illnesses during the 2009 IAAF World Athletics Championships
Br J Sports Med, 44 (15), 1100-5
DOI 10.1136/bjsm.2010.078030, PubMed 21106775

Anderson CJ, Westerhaus BD, Pietrini SD, Ziegler CG, Wijdicks CA, Johansen S, Engebretsen L, Laprade RF (2010)
Kinematic impact of anteromedial and posterolateral bundle graft fixation angles on double-bundle anterior cruciate ligament reconstructions
Am J Sports Med, 38 (8), 1575-83
DOI 10.1177/0363546510364841, PubMed 20675649

Bahr R, Engebretsen L, Mæhlum S (2010)
Undvik idrottsskador: preventionsinsatser vid träning och tävling
SISU idrottsböcker, Stockholm, 294 s.
BIBSYS 102293694, ISBN 9789186323653

Eitzen I, Moksnes H, Snyder-Mackler L, Engebretsen L, Risberg MA (2010)
Functional tests should be accentuated more in the decision for ACL reconstruction
Knee Surg Sports Traumatol Arthrosc, 18 (11), 1517-25
DOI 10.1007/s00167-010-1113-5, PubMed 20411377

Engebretsen AH, Myklebust G, Holme I, Engebretsen L, Bahr R (2010)
Intrinsic risk factors for hamstring injuries among male soccer players: a prospective cohort study
Am J Sports Med, 38 (6), 1147-53
DOI 10.1177/0363546509358381, PubMed 20335507

Engebretsen AH, Myklebust G, Holme I, Engebretsen L, Bahr R (2010)
Intrinsic risk factors for groin injuries among male soccer players: a prospective cohort study
Am J Sports Med, 38 (10), 2051-7
DOI 10.1177/0363546510375544, PubMed 20699426

Engebretsen AH, Myklebust G, Holme I, Engebretsen L, Bahr R (2010)
Intrinsic risk factors for acute knee injuries among male football players: a prospective cohort study
Scand J Med Sci Sports, 21 (5), 645-52
DOI 10.1111/j.1600-0838.2010.01095.x, PubMed 21917015

Engebretsen L (2010)
The importance of sports medicine for the Olympic Games and the value of ESSKA
Knee Surg Sports Traumatol Arthrosc, 18 (6), 707-9
DOI 10.1007/s00167-010-1150-0, PubMed 20422400

Engebretsen L, Steffen K (2010)
Rugby in Rio in 2016!
Br J Sports Med, 44 (3), 157
DOI 10.1136/bjsm.2010.71555, PubMed 20231598

Engebretsen L, Steffen K (2010)
We are getting there!
Br J Sports Med, 44 (11), 771
DOI 10.1136/bjsm.2010.077289, PubMed 20820056

Engebretsen L, Steffen K (2010)
To PRP or not?
Br J Sports Med, 44 (15), 1071
DOI 10.1136/bjsm.2010.080390, PubMed 21155182

Engebretsen L, Steffen K, Alonso JM, Aubry M, Dvorak J, Junge A, Meeuwisse W, Mountjoy M, Renström P, Wilkinson M (2010)
Sports injuries and illnesses during the Winter Olympic Games 2010
Br J Sports Med, 44 (11), 772-80
DOI 10.1136/bjsm.2010.076992, PubMed 20820057

Engebretsen L, Steffen K, Alsousou J, Anitua E, Bachl N, Devilee R, Everts P, Hamilton B, Huard J, Jenoure P, Kelberine F, Kon E, Maffulli N, Matheson G, Mei-Dan O, Menetrey J, Philippon M, Randelli P, Schamasch P, Schwellnus M, Vernec A, Verrall G (2010)
IOC consensus paper on the use of platelet-rich plasma in sports medicine
Br J Sports Med, 44 (15), 1072-81
DOI 10.1136/bjsm.2010.079822, PubMed 21106774

Engebretsen L, Steffen K, Bahr R, Broderick C, Dvorak J, Janarv PM, Johnson A, Leglise M, Mamisch TC, McKay D, Micheli L, Schamasch P, Singh GD, Stafford DE, Steen H (2010)
The International Olympic Committee Consensus statement on age determination in high-level young athletes
Br J Sports Med, 44 (7), 476-84
DOI 10.1136/bjsm.2010.073122, PubMed 20519254

Engen CN, Engebretsen L, Årøen A (2010)
Knee Cartilage Defect Patients Enrolled in Randomized Controlled Trials Are Not Representative of Patients in Orthopedic Practice
Cartilage, 1 (4), 312-9
DOI 10.1177/1947603510373917, PubMed 26069562

Heir S, Årøen A, Løken S, Sulheim S, Engebretsen L, Reinholt FP (2010)
Intraarticular location predicts cartilage filling and subchondral bone changes in a chondral defect
Acta Orthop, 81 (5), 619-27
DOI 10.3109/17453674.2010.524593, PubMed 20919808

Koga H, Nakamae A, Shima Y, Iwasa J, Myklebust G, Engebretsen L, Bahr R, Krosshaug T (2010)
Mechanisms for noncontact anterior cruciate ligament injuries: knee joint kinematics in 10 injury situations from female team handball and basketball
Am J Sports Med, 38 (11), 2218-25
DOI 10.1177/0363546510373570, PubMed 20595545

LaPrade RF, Johansen S, Agel J, Risberg MA, Moksnes H, Engebretsen L (2010)
Outcomes of an anatomic posterolateral knee reconstruction
J Bone Joint Surg Am, 92 (1), 16-22
DOI 10.2106/JBJS.I.00474, PubMed 20048091

Lien OA, Aas EJ, Johansen S, Ludvigsen TC, Figved W, Engebretsen L (2010)
Clinical outcome after reconstruction for isolated posterior cruciate ligament injury
Knee Surg Sports Traumatol Arthrosc, 18 (11), 1568-72
DOI 10.1007/s00167-010-1176-3, PubMed 20571763

Løken S, Heir S, Holme I, Engebretsen L, Årøen A (2010)
6-year follow-up of 84 patients with cartilage defects in the knee. Knee scores improved but recovery was incomplete
Acta Orthop, 81 (5), 611-8
DOI 10.3109/17453674.2010.519166, PubMed 20860448

Magnussen RA, Granan LP, Dunn WR, Amendola A, Andrish JT, Brophy R, Carey JL, Flanigan D, Huston LJ, Jones M, Kaeding CC, McCarty EC, Marx RG, Matava MJ, Parker RD, Vidal A, Wolcott M, Wolf BR, Wright RW, Spindler KP, Engebretsen L (2010)
Cross-cultural comparison of patients undergoing ACL reconstruction in the United States and Norway
Knee Surg Sports Traumatol Arthrosc, 18 (1), 98-105
DOI 10.1007/s00167-009-0919-5, PubMed 19784630

McCarthy M, Camarda L, Wijdicks CA, Johansen S, Engebretsen L, Laprade RF (2010)
Anatomic posterolateral knee reconstructions require a popliteofibular ligament reconstruction through a tibial tunnel
Am J Sports Med, 38 (8), 1674-81
DOI 10.1177/0363546510361220, PubMed 20675651

Mountjoy M, Junge A, Alonso JM, Engebretsen L, Dragan I, Gerrard D, Kouidri M, Luebs E, Shahpar FM, Dvorak J (2010)
Sports injuries and illnesses in the 2009 FINA World Championships (Aquatics)
Br J Sports Med, 44 (7), 522-7
DOI 10.1136/bjsm.2010.071720, PubMed 20460256

Oiestad BE, Holm I, Aune AK, Gunderson R, Myklebust G, Engebretsen L, Fosdahl MA, Risberg MA (2010)
Knee function and prevalence of knee osteoarthritis after anterior cruciate ligament reconstruction: a prospective study with 10 to 15 years of follow-up
Am J Sports Med, 38 (11), 2201-10
DOI 10.1177/0363546510373876, PubMed 20713644

Oiestad BE, Holm I, Engebretsen L, Risberg MA (2010)
The association between radiographic knee osteoarthritis and knee symptoms, function and quality of life 10-15 years after anterior cruciate ligament reconstruction
Br J Sports Med, 45 (7), 583-8
DOI 10.1136/bjsm.2010.073130, PubMed 20647299

Robsahm TE, Hestvik UE, Veierød MB, Fagerlie A, Nystad W, Engebretsen L, Tretli S (2010)
Cancer risk in Norwegian world class athletes
Cancer Causes Control, 21 (10), 1711-9
DOI 10.1007/s10552-010-9600-z, PubMed 20544266

Steffen K, Engebretsen L (2010)
More data needed on injury risk among young elite athletes
Br J Sports Med, 44 (7), 485-9
DOI 10.1136/bjsm.2010.073833, PubMed 20460261

Wijdicks CA, Brand EJ, Nuckley DJ, Johansen S, LaPrade RF, Engebretsen L (2010)
Biomechanical evaluation of a medial knee reconstruction with comparison of bioabsorbable interference screw constructs and optimization with a cortical button
Knee Surg Sports Traumatol Arthrosc, 18 (11), 1532-41
DOI 10.1007/s00167-010-1127-z, PubMed 20563561

Wijdicks CA, Ewart DT, Nuckley DJ, Johansen S, Engebretsen L, Laprade RF (2010)
Structural properties of the primary medial knee ligaments
Am J Sports Med, 38 (8), 1638-46
DOI 10.1177/0363546510363465, PubMed 20675650

Wijdicks CA, Griffith CJ, Johansen S, Engebretsen L, LaPrade RF (2010)
Injuries to the medial collateral ligament and associated medial structures of the knee
J Bone Joint Surg Am, 92 (5), 1266-80
DOI 10.2106/JBJS.I.01229, PubMed 20439679

Ziegler CG, Pietrini SD, Westerhaus BD, Anderson CJ, Wijdicks CA, Johansen S, Engebretsen L, LaPrade RF (2010)
Arthroscopically pertinent landmarks for tunnel positioning in single-bundle and double-bundle anterior cruciate ligament reconstructions
Am J Sports Med, 39 (4), 743-52
DOI 10.1177/0363546510387511, PubMed 21173191

Publications 2009

Alonso JM, Junge A, Renström P, Engebretsen L, Mountjoy M, Dvorak J (2009)
Sports injuries surveillance during the 2007 IAAF World Athletics Championships
Clin J Sport Med, 19 (1), 26-32
DOI 10.1097/JSM.0b013e318191c8e7, PubMed 19124980

Bachl N, Derman W, Engebretsen L, Goldspink G, Kinzlbauer M, Tschan H, Volpi P, Venter D, Wessner B (2009)
Therapeutic use of growth factors in the musculoskeletal system in sports-related injuries
J Sports Med Phys Fitness, 49 (4), 346-57
PubMed 20087293

Coobs BR, Wijdicks CA, Armitage BM, Spiridonov SI, Westerhaus BD, Johansen S, Engebretsen L, Laprade RF (2009)
An in vitro analysis of an anatomical medial knee reconstruction
Am J Sports Med, 38 (2), 339-47
DOI 10.1177/0363546509347996, PubMed 19966100

Dimmen S, Engebretsen L, Nordsletten L, Madsen JE (2009)
Negative effects of parecoxib and indomethacin on tendon healing: an experimental study in rats
Knee Surg Sports Traumatol Arthrosc, 17 (7), 835-9
DOI 10.1007/s00167-009-0763-7, PubMed 19296084

Dimmen S, Nordsletten L, Engebretsen L, Steen H, Madsen JE (2009)
The effect of parecoxib and indometacin on tendon-to-bone healing in a bone tunnel: an experimental study in rats
J Bone Joint Surg Br, 91 (2), 259-63
DOI 10.1302/0301-620X.91B2.21471, PubMed 19190065

Drezner J, Pluim B, Engebretsen L (2009)
Prevention of sudden cardiac death in athletes: new data and modern perspectives confront challenges in the 21st century
Br J Sports Med, 43 (9), 625-6
DOI 10.1136/bjsm.2009.064592, PubMed 19734492

Dvorak J, McCrory P, Aubry M, Molloy M, Engebretsen L (2009)
Concussion sans frontières
Br J Sports Med, 43 Suppl 1, i1-2
DOI 10.1136/bjsm.2009.059360, PubMed 19433418

Engebretsen AH, Myklebust G, Holme I, Engebretsen L, Bahr R (2009)
Intrinsic risk factors for acute ankle injuries among male soccer players: a prospective cohort study
Scand J Med Sci Sports, 20 (3), 403-10
DOI 10.1111/j.1600-0838.2009.00971.x, PubMed 19558378

Engebretsen L (2009)
You can make a difference!
Knee Surg Sports Traumatol Arthrosc, 17 (7), 703-4
DOI 10.1007/s00167-009-0814-0, PubMed 19440694

Engebretsen L, Bahr R (2009)
Sports injury prevention
Wiley-Blackwell, Chichester, X, 238 s.
BIBSYS 090202627, ISBN 978-1-4051-6244-9

Engebretsen L, Bahr R (2009)
Why is injury prevention in sports important?
In Sports injury prevention, Wiley-Blackwell, Chichester, S. 1-6
BIBSYS 100884598

Engebretsen L, Forssblad M (2009)
Why knee ligament registries are important.
Knee Surg Sports Traumatol Arthrosc, 17 (2), 115-6
DOI 10.1007/s00167-008-0672-1, PubMed 19048231

Engebretsen L, Risberg MA, Robertson B, Ludvigsen TC, Johansen S (2009)
Outcome after knee dislocations: a 2-9 years follow-up of 85 consecutive patients
Knee Surg Sports Traumatol Arthrosc, 17 (9), 1013-26
DOI 10.1007/s00167-009-0869-y, PubMed 19609504

Engebretsen L, Steffen K (2009)
The importance of sports medicine for the Vancouver Olympic Games
Br J Sports Med, 43 (13), 961-2
DOI 10.1136/bjsm.2009.069179, PubMed 19945977

Engebretsen L, Storheim K, Risberg MA, Øiestad BE (2009)
Kneartrose etter fremre korsbåndsskade: en systematisk oversikt
In Norsk idrettsmedisin, Medborgeren, Oslo, 24(2009)nr 3, s. 11-12
BIBSYS 100077609

Granan LP, Bahr R, Lie SA, Engebretsen L (2009)
Timing of anterior cruciate ligament reconstructive surgery and risk of cartilage lesions and meniscal tears: a cohort study based on the Norwegian National Knee Ligament Registry
Am J Sports Med, 37 (5), 955-61
DOI 10.1177/0363546508330136, PubMed 19251674

Granan LP, Forssblad M, Lind M, Engebretsen L (2009)
The Scandinavian ACL registries 2004-2007: baseline epidemiology
Acta Orthop, 80 (5), 563-7
DOI 10.3109/17453670903350107, PubMed 19916690

Griffith CJ, LaPrade RF, Johansen S, Armitage B, Wijdicks C, Engebretsen L (2009)
Medial knee injury: Part 1, static function of the individual components of the main medial knee structures
Am J Sports Med, 37 (9), 1762-70
DOI 10.1177/0363546509333852, PubMed 19609008

Heir S, Nerhus TK, Røtterud JH, Løken S, Ekeland A, Engebretsen L, Arøen A (2009)
Focal cartilage defects in the knee impair quality of life as much as severe osteoarthritis: a comparison of knee injury and osteoarthritis outcome score in 4 patient categories scheduled for knee surgery
Am J Sports Med, 38 (2), 231-7
DOI 10.1177/0363546509352157, PubMed 20042546

Hjermundrud V, Bjune TK, Risberg MA, Engebretsen L, Arøen A (2009)
Full-thickness cartilage lesion do not affect knee function in patients with ACL injury
Knee Surg Sports Traumatol Arthrosc, 18 (3), 298-303
DOI 10.1007/s00167-009-0894-x, PubMed 19760401

Junge A, Engebretsen L, Mountjoy ML, Alonso JM, Renström PA, Aubry MJ, Dvorak J (2009)
Sports injuries during the Summer Olympic Games 2008
Am J Sports Med, 37 (11), 2165-72
DOI 10.1177/0363546509339357, PubMed 19783812

Koga H, Engebretsen L, Brinchmann JE, Muneta T, Sekiya I (2009)
Mesenchymal stem cell-based therapy for cartilage repair: a review
Knee Surg Sports Traumatol Arthrosc, 17 (11), 1289-97
DOI 10.1007/s00167-009-0782-4, PubMed 19333576

Ljungqvist A, Jenoure P, Engebretsen L, Alonso JM, Bahr R, Clough A, De Bondt G, Dvorak J, Maloley R, Matheson G, Meeuwisse W, Meijboom E, Mountjoy M, Pelliccia A, Schwellnus M, Sprumont D, Schamasch P, Gauthier JB, Dubi C, Stupp H, Thill C (2009)
The International Olympic Committee (IOC) Consensus Statement on periodic health evaluation of elite athletes March 2009
Br J Sports Med, 43 (9), 631-43
DOI 10.1136/bjsm.2009.064394, PubMed 19734496

Ljungqvist A, Jenoure P, Engebretsen L, Alonso JM, Bahr R, Clough A, De Bondt G, Dvorak J, Maloley R, Matheson G, Meeuwisse W, Meijboom E, Mountjoy M, Pelliccia A, Schwellnus M, Sprumont D, Schamasch P, Gauthier JB, Dubi C, Stupp H, Thill C (2009)
The International Olympic Committee (IOC) Consensus Statement on periodic health evaluation of elite athletes March 2009
Int. Sportmed. J., 10 (3), 124-144

Ljungqvist A, Jenoure PJ, Engebretsen L, Alonso JM, Bahr R, Clough AF, de Bondt G, Dvorak J, Maloley R, Matheson G, Meeuwisse W, Meijboom EJ, Mountjoy M, Pelliccia A, Schwellnus M, Sprumont D, Schamasch P, Gauthier JB, Dubi C (2009)
The International Olympic Committee (IOC) consensus statement on periodic health evaluation of elite athletes, March 2009
Clin J Sport Med, 19 (5), 347-65
DOI 10.1097/JSM.0b013e3181b7332c, PubMed 19741306

Løken S, Ludvigsen TC, Høysveen T, Holm I, Engebretsen L, Reinholt FP (2009)
Autologous chondrocyte implantation to repair knee cartilage injury: ultrastructural evaluation at 2 years and long-term follow-up including muscle strength measurements
Knee Surg Sports Traumatol Arthrosc, 17 (11), 1278-88
DOI 10.1007/s00167-009-0854-5, PubMed 19572120

Nakamura N, Miyama T, Engebretsen L, Yoshikawa H, Shino K (2009)
Cell-based therapy in articular cartilage lesions of the knee
Arthroscopy, 25 (5), 531-52
DOI 10.1016/j.arthro.2009.02.007, PubMed 19409312

Schizas N, Lian Ø, Frihagen F, Engebretsen L, Bahr R, Ackermann PW (2009)
Coexistence of up-regulated NMDA receptor 1 and glutamate on nerves, vessels and transformed tenocytes in tendinopathy
Scand J Med Sci Sports, 20 (2), 208-15
DOI 10.1111/j.1600-0838.2009.00913.x, PubMed 19422642

Wijdicks CA, Griffith CJ, LaPrade RF, Johansen S, Sunderland A, Arendt EA, Engebretsen L (2009)
Radiographic identification of the primary medial knee structures
J Bone Joint Surg Am, 91 (3), 521-9
DOI 10.2106/JBJS.H.00909, PubMed 19255211

Wijdicks CA, Griffith CJ, LaPrade RF, Spiridonov SI, Johansen S, Armitage BM, Engebretsen L (2009)
Medial knee injury: Part 2, load sharing between the posterior oblique ligament and superficial medial collateral ligament
Am J Sports Med, 37 (9), 1771-6
DOI 10.1177/0363546509335191, PubMed 19609007

Wijdicks CA, Westerhaus BD, Brand EJ, Johansen S, Engebretsen L, LaPrade RF (2009)
Sartorial branch of the saphenous nerve in relation to a medial knee ligament repair or reconstruction
Knee Surg Sports Traumatol Arthrosc, 18 (8), 1105-9
DOI 10.1007/s00167-009-0934-6, PubMed 19859696

Øiestad BE, Engebretsen L, Storheim K, Risberg MA (2009)
Knee osteoarthritis after anterior cruciate ligament injury: a systematic review
Am J Sports Med, 37 (7), 1434-43
DOI 10.1177/0363546509338827, PubMed 19567666

Publications 2008

Akgun U, Karahan M, Tiryaki C, Erol B, Engebretsen L (2008)
Direction of the load on the elbow of the ball blocking handball goalie
Knee Surg Sports Traumatol Arthrosc, 16 (5), 522-30
DOI 10.1007/s00167-007-0398-5, PubMed 17899010

Dimmen S, Nordsletten L, Engebretsen L, Steen H, Madsen JE (2008)
Negative effect of parecoxib on bone mineral during fracture healing in rats
Acta Orthop, 79 (3), 438-44
DOI 10.1080/17453670710015373, PubMed 18626809

Engebretsen AH, Myklebust G, Holme I, Engebretsen L, Bahr R (2008)
Prevention of injuries among male soccer players: a prospective, randomized intervention study targeting players with previous injuries or reduced function
Am J Sports Med, 36 (6), 1052-60
DOI 10.1177/0363546508314432, PubMed 18390492

Engebretsen L, Bahr R, Nakamae A (2008)
Natural history of bone bruises after acute knee injury: clinical outcome and histopathological findings
In Norsk idrettsmedisin, Medborgeren, Oslo, 23(2008)nr 1, S. 9-12
BIBSYS 080563821

Griffith CJ, Wijdicks CA, LaPrade RF, Armitage BM, Johansen S, Engebretsen L (2008)
Force measurements on the posterior oblique ligament and superficial medial collateral ligament proximal and distal divisions to applied loads
Am J Sports Med, 37 (1), 140-8
DOI 10.1177/0363546508322890, PubMed 18725650

Iwasa J, Engebretsen L, Shima Y, Ochi M (2008)
Clinical application of scaffolds for cartilage tissue engineering
Knee Surg Sports Traumatol Arthrosc, 17 (6), 561-77
DOI 10.1007/s00167-008-0663-2, PubMed 19020862

Junge A, Engebretsen L, Alonso JM, Renström P, Mountjoy M, Aubry M, Dvorak J (2008)
Injury surveillance in multi-sport events: the International Olympic Committee approach
Br J Sports Med, 42 (6), 413-21
DOI 10.1136/bjsm.2008.046631, PubMed 18390916

Knutsen G, Drogset JO, Engebretsen L, Grontvedt T, Ludvigsen TC, Solheim E, Strand T, Johansen O (2008)
A randomized trial comparing autologous chondrocyte implantation with microfracture
J. Bone Joint Surg.-Am. Vol., 90A (5), 1165-1166

Laprade RF, Engebretsen L, Johansen S, Wentorf FA, Kurtenbach C (2008)
The effect of a proximal tibial medial opening wedge osteotomy on posterolateral knee instability: a biomechanical study
Am J Sports Med, 36 (5), 956-60
DOI 10.1177/0363546507312380, PubMed 18227230

Ljungqvist A, Schwellnus MP, Bachl N, Collins M, Cook J, Khan KM, Maffulli N, Pitsiladis Y, Riley G, Golspink G, Venter D, Derman EW, Engebretsen L, Volpi P (2008)
International Olympic Committee consensus statement: molecular basis of connective tissue and muscle injuries in sport
Clin Sports Med, 27 (1), 231-9, x-xi
DOI 10.1016/j.csm.2007.10.007, PubMed 18206577

Løken S, Jakobsen RB, Arøen A, Heir S, Shahdadfar A, Brinchmann JE, Engebretsen L, Reinholt FP (2008)
Bone marrow mesenchymal stem cells in a hyaluronan scaffold for treatment of an osteochondral defect in a rabbit model
Knee Surg Sports Traumatol Arthrosc, 16 (10), 896-903
DOI 10.1007/s00167-008-0566-2, PubMed 18592218

Renstrom P, Ljungqvist A, Arendt E, Beynnon B, Fukubayashi T, Garrett W, Georgoulis T, Hewett TE, Johnson R, Krosshaug T, Mandelbaum B, Micheli L, Myklebust G, Roos E, Roos H, Schamasch P, Shultz S, Werner S, Wojtys E, Engebretsen L (2008)
Non-contact ACL injuries in female athletes: an International Olympic Committee current concepts statement
Br J Sports Med, 42 (6), 394-412
DOI 10.1136/bjsm.2008.048934, PubMed 18539658

Roos H, Karlsson J, Svensson O, Engebretsen L, Renström P, Dahlberg L (2008)
[Arthroscopy in knee osteoarthritis is one thing--surgery of the menisci another]
Lakartidningen, 105 (42), 2950-1
PubMed 19025156

Shahdadfar A, Løken S, Dahl JA, Tunheim SH, Collas P, Reinholt FP, Engebretsen L, Brinchmann JE (2008)
Persistence of collagen type II synthesis and secretion in rapidly proliferating human articular chondrocytes in vitro
Tissue Eng Part A, 14 (12), 1999-2007
DOI 10.1089/ten.tea.2007.0344, PubMed 18636947

Shima Y, Engebretsen L, Iwasa J, Kitaoka K, Tomita K (2008)
Use of bisphosphonates for the treatment of stress fractures in athletes
Knee Surg Sports Traumatol Arthrosc, 17 (5), 542-50
DOI 10.1007/s00167-008-0673-0, PubMed 19048230

Watsend AM, Osestad TM, Jakobsen RB, Engebretsen L (2008)
Clinical studies on posterior cruciate ligament tears have weak design
Knee Surg Sports Traumatol Arthrosc, 17 (2), 140-9
DOI 10.1007/s00167-008-0632-9, PubMed 18925355

Publications 2007

Arnason A, Andersen TE, Holme I, Engebretsen L, Bahr R (2007)
Prevention of hamstring strains in elite soccer: an intervention study
Scand J Med Sci Sports, 18 (1), 40-8
DOI 10.1111/j.1600-0838.2006.00634.x, PubMed 17355322

Espeland A, Natvig NL, Løge I, Engebretsen L, Ellingsen J (2007)
Magnetic resonance imaging of the knee in Norway 2002-2004 (national survey): rapid increase, older patients, large geographic differences
BMC Health Serv Res, 7, 115
DOI 10.1186/1472-6963-7-115, PubMed 17659090

Granan LP, Bahr R, Steindal K, Furnes O, Engebretsen L (2007)
Development of a national cruciate ligament surgery registry: the Norwegian National Knee Ligament Registry
Am J Sports Med, 36 (2), 308-15
DOI 10.1177/0363546507308939, PubMed 17989167

Hanstad DV, Engebretsen L (2007)
[Illness in the Norwegian team during the Olympic winter games 2006 in Torino]
Tidsskr Nor Laegeforen, 127 (5), 614-6
PubMed 17332818

Knutsen G, Drogset JO, Engebretsen L, Grøntvedt T, Isaksen V, Ludvigsen TC, Roberts S, Solheim E, Strand T, Johansen O (2007)
A randomized trial comparing autologous chondrocyte implantation with microfracture. Findings at five years
J Bone Joint Surg Am, 89 (10), 2105-12
DOI 10.2106/JBJS.G.00003, PubMed 17908884

Krosshaug T, Bahr R, Engebretsen L, Nakamae A, Smith G (2007)
Mechanisms of anterior cruciate ligament injury in basketball: video analysis of 39 cases
In American journal of sports medicine, The Society, Baltimore, Md., 35(2007)nr 3, S. 359
BIBSYS 090277503

LaPrade RF, Engebretsen AH, Ly TV, Johansen S, Wentorf FA, Engebretsen L (2007)
The anatomy of the medial part of the knee
J Bone Joint Surg Am, 89 (9), 2000-10
DOI 10.2106/JBJS.F.01176, PubMed 17768198

LaPrade RF, Morgan PM, Wentorf FA, Johansen S, Engebretsen L (2007)
The anatomy of the posterior aspect of the knee. An anatomic study
J Bone Joint Surg Am, 89 (4), 758-64
DOI 10.2106/JBJS.F.00120, PubMed 17403797

Lian Ø, Scott A, Engebretsen L, Bahr R, Duronio V, Khan K (2007)
Excessive apoptosis in patellar tendinopathy in athletes
Am J Sports Med, 35 (4), 605-11
DOI 10.1177/0363546506295702, PubMed 17244903

Moksnes H, Engebretsen L, Risberg MA (2007)
Performance-based functional outcome for children 12 years or younger following anterior cruciate ligament injury: a two to nine-year follow-up study
Knee Surg Sports Traumatol Arthrosc, 16 (3), 214-23
DOI 10.1007/s00167-007-0469-7, PubMed 18157486

Myklebust G, Engebretsen L, Braekken IH, Skjølberg A, Olsen OE, Bahr R (2007)
Prevention of noncontact anterior cruciate ligament injuries in elite and adolescent female team handball athletes
Instr Course Lect, 56, 407-18
PubMed 17472324

Nakamae A, Engebretsen L, Peterson L (2007)
Autologous chondrocyte transplantation for the treatment of massive cartilage lesion of the distal tibia: a case report with 8-year follow-up
Knee Surg Sports Traumatol Arthrosc, 15 (12), 1469-72
DOI 10.1007/s00167-007-0401-1, PubMed 17874234

Risberg MA, Holm I, Myklebust G, Engebretsen L (2007)
Neuromuscular training versus strength training during first 6 months after anterior cruciate ligament reconstruction: a randomized clinical trial
Phys Ther, 87 (6), 737-50
DOI 10.2522/ptj.20060041, PubMed 17442840

Tegnander A, Olsen OE, Moholdt TT, Engebretsen L, Bahr R (2007)
Injuries in Norwegian female elite soccer: a prospective one-season cohort study
Knee Surg Sports Traumatol Arthrosc, 16 (2), 194-8
DOI 10.1007/s00167-007-0403-z, PubMed 17899007

Publications 2006

Arøen A, Heir S, Løken S, Engebretsen L, Reinholt FP (2006)
Healing of articular cartilage defects. An experimental study of vascular and minimal vascular microenvironment
J Orthop Res, 24 (5), 1069-77
DOI 10.1002/jor.20104, PubMed 16583448

Bahr R, Fossan B, Løken S, Engebretsen L (2006)
Surgical treatment compared with eccentric training for patellar tendinopathy (Jumper's Knee). A randomized, controlled trial
J Bone Joint Surg Am, 88 (8), 1689-98
DOI 10.2106/JBJS.E.01181, PubMed 16882889

Drogset JO, Grøntvedt T, Robak OR, Mølster A, Viset AT, Engebretsen L (2006)
A sixteen-year follow-up of three operative techniques for the treatment of acute ruptures of the anterior cruciate ligament
J Bone Joint Surg Am, 88 (5), 944-52
DOI 10.2106/JBJS.D.02876, PubMed 16651567

Griffin LY, Albohm MJ, Arendt EA, Bahr R, Beynnon BD, Demaio M, Dick RW, Engebretsen L, Garrett WE, Hannafin JA, Hewett TE, Huston LJ, Ireland ML, Johnson RJ, Lephart S, Mandelbaum BR, Mann BJ, Marks PH, Marshall SW, Myklebust G, Noyes FR, Powers C, Shields C, Shultz SJ, Silvers H et al. (2006)
Understanding and preventing noncontact anterior cruciate ligament injuries: a review of the Hunt Valley II meeting, January 2005
Am J Sports Med, 34 (9), 1512-32
DOI 10.1177/0363546506286866, PubMed 16905673

Krosshaug T, Nakamae A, Boden B, Engebretsen L, Smith G, Slauterbeck J, Hewett TE, Bahr R (2006)
Estimating 3D joint kinematics from video sequences of running and cutting maneuvers--assessing the accuracy of simple visual inspection
Gait Posture, 26 (3), 378-85
DOI 10.1016/j.gaitpost.2006.10.010, PubMed 17141503

Krosshaug T, Nakamae A, Boden BP, Engebretsen L, Smith G, Slauterbeck JR, Hewett TE, Bahr R (2006)
Mechanisms of anterior cruciate ligament injury in basketball: video analysis of 39 cases
Am J Sports Med, 35 (3), 359-67
DOI 10.1177/0363546506293899, PubMed 17092928

Krosshaug T, Slauterbeck JR, Engebretsen L, Bahr R (2006)
Biomechanical analysis of anterior cruciate ligament injury mechanisms: three-dimensional motion reconstruction from video sequences
Scand J Med Sci Sports, 17 (5), 508-19
DOI 10.1111/j.1600-0838.2006.00558.x, PubMed 17181770

Lian Ø, Dahl J, Ackermann PW, Frihagen F, Engebretsen L, Bahr R (2006)
Pronociceptive and antinociceptive neuromediators in patellar tendinopathy
Am J Sports Med, 34 (11), 1801-8
DOI 10.1177/0363546506289169, PubMed 16816149

Nakamae A, Engebretsen L, Bahr R, Krosshaug T, Ochi M (2006)
Natural history of bone bruises after acute knee injury: clinical outcome and histopathological findings
Knee Surg Sports Traumatol Arthrosc, 14 (12), 1252-8
DOI 10.1007/s00167-006-0087-9, PubMed 16786336

Olsen OE, Myklebust G, Engebretsen L, Bahr R (2006)
Injury pattern in youth team handball: a comparison of two prospective registration methods
Scand J Med Sci Sports, 16 (6), 426-32
DOI 10.1111/j.1600-0838.2005.00484.x, PubMed 17121645

Olsen OE, Myklebust G, Engebretsen L, Bahr R (2006)
Injury pattern in youth team handball: a comparison of two prospective registration methods
In Scandinavian journal of medicine & science in sports, Munksgaard., Copenhagen, 16(2006), S. 426-432
BIBSYS 090280725

Reikvam A, Hexeberg S, Kvien TK, Slørdal L, Aabakken L, Engebretsen L, Flatø B, Idsø N, Johnsen V, Kalstad S, Madsen S, Mikkelsen K, Os I, REder J (2006)
[Clinical use of COX inhibitors--a consensus]
Tidsskr Nor Laegeforen, 126 (5), 591-5
PubMed 16505867

Publications 2005

Arnason A, Engebretsen L, Bahr R (2005)
No effect of a video-based awareness program on the rate of soccer injuries
Am J Sports Med, 33 (1), 77-84
DOI 10.1177/0363546503262688, PubMed 15611002

Arøen A, Heir S, Løken S, Reinholt FP, Engebretsen L (2005)
Articular cartilage defects in a rabbit model, retention rate of periosteal flap cover
Acta Orthop, 76 (2), 220-4
DOI 10.1080/00016470510030607, PubMed 16097547

Engebretsen L, Bahr R (2005)
An ounce of prevention?
Br J Sports Med, 39 (6), 312-3
DOI 10.1136/bjsm.2005.018333, PubMed 15911596

Jakobsen RB, Engebretsen L, Slauterbeck JR (2005)
An analysis of the quality of cartilage repair studies
J Bone Joint Surg Am, 87 (10), 2232-9
DOI 10.2106/JBJS.D.02904, PubMed 16203888

Lian OB, Engebretsen L, Bahr R (2005)
Prevalence of jumper's knee among elite athletes from different sports: a cross-sectional study
Am J Sports Med, 33 (4), 561-7
DOI 10.1177/0363546504270454, PubMed 15722279

Lian ØB, Engebretsen L, Bahr R (2005)
Prevalence of jumper's knee among elite athletes from different sports: a cross-sectional study
In American journal of sports medicine, The Society, Baltimore, Md., 33(2005)nr 4, S. 561-567
BIBSYS 05115756x

Olsen OE, Myklebust G, Engebretsen L, Holme I, Bahr R (2005)
Exercises to prevent lower limb injuries in youth sports: cluster randomised controlled trial
BMJ, 330 (7489), 449
DOI 10.1136/bmj.38330.632801.8F, PubMed 15699058

Publications 2004

Andersen TE, Arnason A, Engebretsen L, Bahr R (2004)
Mechanisms of head injuries in elite football
Br J Sports Med, 38 (6), 690-6
DOI 10.1136/bjsm.2003.009357, PubMed 15562161

Andersen TE, Engebretsen L, Bahr R (2004)
Rule violations as a cause of injuries in male norwegian professional football: are the referees doing their job?
Am J Sports Med, 32 (1 Suppl), 62S-8S
DOI 10.1177/0363546503261412, PubMed 14754861

Andersen TE, Engebretsen L, Bahr R (2004)
Rule violations as a cause of injuries in male Norwegian professional football: are the referees doing their job?
In American journal of sports medicine, The Society, Baltimore, Md., 32(2004)nr 1 Suppl., S. 62S-68S
BIBSYS 040948447

Andersen TE, Tenga A, Engebretsen L, Bahr R (2004)
Video analysis of injuries and incidents in Norwegian professional football
Br J Sports Med, 38 (5), 626-31
DOI 10.1136/bjsm.2003.007955, PubMed 15388553

Andreassen GS, Høiness PR, Skraamm I, Granlund O, Engebretsen L (2004)
Use of a synthetic bone void filler to augment screws in osteopenic ankle fracture fixation
Arch Orthop Trauma Surg, 124 (3), 161-5
DOI 10.1007/s00402-004-0642-0, PubMed 14767782

Arnason A, Sigurdsson SB, Gudmundsson A, Holme I, Engebretsen L, Bahr R (2004)
Risk factors for injuries in football
Am J Sports Med, 32 (1 Suppl), 5S-16S
DOI 10.1177/0363546503258912, PubMed 14754854

Arnason A, Sigurdsson SB, Gudmundsson A, Holme I, Engebretsen L, Bahr R (2004)
Physical fitness, injuries, and team performance in soccer
Med Sci Sports Exerc, 36 (2), 278-85
DOI 10.1249/01.MSS.0000113478.92945.CA, PubMed 14767251

Arnason A, Tenga A, Engebretsen L, Bahr R (2004)
A prospective video-based analysis of injury situations in elite male football: football incident analysis
Am J Sports Med, 32 (6), 1459-65
DOI 10.1177/0363546504262973, PubMed 15310571

Árni Árnason, Sigurdsson SB, Gudmundsson A, Holme I, Engebretsen L, Bahr R (2004)
Physical fitness, injuries, and team performance in soccer
In Medicine and science in sports and exercise, American College of Sports Medicine, Madison, 36(2004)nr 2, s. 278-285
BIBSYS 041953525

Arøen A, Løken S, Heir S, Alvik E, Ekeland A, Granlund OG, Engebretsen L (2004)
Articular cartilage lesions in 993 consecutive knee arthroscopies
Am J Sports Med, 32 (1), 211-5
DOI 10.1177/0363546503259345, PubMed 14754746

Gaski IA, Martinussen BT, Engebretsen L, Johansen S, Ludvigsen TC (2004)
[Knee luxation--follow-up after surgery]
Tidsskr Nor Laegeforen, 124 (8), 1078-80
PubMed 15114381

Granan LP, Engebretsen L, Bahr R (2004)
[Surgery for anterior cruciate ligament injuries in Norway]
Tidsskr Nor Laegeforen, 124 (7), 928-30
PubMed 15060639

Granan LP, Engebretsen L, Bahr R (2004)
Kirurgi ved fremre korsbåndsskader i Norge
In Tidsskrift for Den norske legeforening, Foreningen, Oslo, 124(2004)nr. 7, S. 928-930
BIBSYS 040935949

Knutsen G, Engebretsen L, Ludvigsen TC, Drogset JO, Grøntvedt T, Solheim E, Strand T, Roberts S, Isaksen V, Johansen O (2004)
Autologous chondrocyte implantation compared with microfracture in the knee. A randomized trial
J Bone Joint Surg Am, 86 (3), 455-64
DOI 10.2106/00004623-200403000-00001, PubMed 14996869

LaPrade RF, Johansen S, Wentorf FA, Engebretsen L, Esterberg JL, Tso A (2004)
An analysis of an anatomical posterolateral knee reconstruction: an in vitro biomechanical study and development of a surgical technique
Am J Sports Med, 32 (6), 1405-14
DOI 10.1177/0363546503262687, PubMed 15310564

Olsen OE, Myklebust G, Engebretsen L, Bahr R (2004)
Injury mechanisms for anterior cruciate ligament injuries in team handball: a systematic video analysis
Am J Sports Med, 32 (4), 1002-12
DOI 10.1177/0363546503261724, PubMed 15150050

Olsen OE, Myklebust G, Engebretsen L, Bahr R (2004)
Injury mechanisms for anterior cruciate ligament injuriesin team handball: a systematic video analysis
In American journal of sports medicine, The Society, Baltimore, Md., 32(2004)nr 4, s. 1002-1012
BIBSYS 041924517

Publications 2003

Andersen TE, Larsen Ø, Tenga A, Engebretsen L, Bahr R (2003)
Football incident analysis: a new video based method to describe injury mechanisms in professional football
Br J Sports Med, 37 (3), 226-32
DOI 10.1136/bjsm.37.3.226, PubMed 12782547

Engebretsen L (2003)
Sportsskader i kneledd
In Medicinsk årbog, Norli, Oslo, 2003
BIBSYS 042226767

Frihagen F, Kvakestad R, Melhuus K, Engebretsen L (2003)
[Use of MR examination in knee injuries]
Tidsskr Nor Laegeforen, 123 (7), 944-5
PubMed 12737069

Høiness L, Engebretsen L, Strømsøe K (2003)
Soft tissue problems in ankle fractures treated surgically: a prospective study of 154 consecutive closed ankle fractures
In Injury, Elsevier, Amsterdam, 98(2003)7, s.928-31
BIBSYS 041716841

Höiness P, Engebretsen L, Strömsöe K (2003)
Soft tissue problems in ankle fractures treated surgically. A prospective study of 154 consecutive closed ankle fractures
Injury, 34 (12), 928-31
DOI 10.1016/s0020-1383(02)00309-1, PubMed 14636737

Karlsson J, Engebretsen L, Dainty K, ISAKOS Scientific Committee (2003)
Considerations on sample size and power calculations in randomized clinical trials
Arthroscopy, 19 (9), 997-9
DOI 10.1016/j.arthro.2003.09.022, PubMed 14608320

Kvakestad R, Frihagen F, Melhuus K, Engebretsen L (2003)
[Knee injuries in the Oslo emergency ward]
Tidsskr Nor Laegeforen, 123 (3), 322-4
PubMed 12640899

LaPrade RF, Ly TV, Wentorf FA, Engebretsen L (2003)
The posterolateral attachments of the knee: a qualitative and quantitative morphologic analysis of the fibular collateral ligament, popliteus tendon, popliteofibular ligament, and lateral gastrocnemius tendon
Am J Sports Med, 31 (6), 854-60
DOI 10.1177/03635465030310062101, PubMed 14623649

Lian Ø, Refsnes PE, Engebretsen L, Bahr R (2003)
Performance characteristics of volleyball players with patellar tendinopathy
Am J Sports Med, 31 (3), 408-13
DOI 10.1177/03635465030310031401, PubMed 12750135

Muellner T, Menth-Chiari WA, Funovics M, Metz V, Vécsei V, Engebretsen L (2003)
Shortening of the patellar tendon length does not influence the patellofemoral alignment in a cadaveric model
Arch Orthop Trauma Surg, 123 (9), 451-4
DOI 10.1007/s00402-003-0560-6, PubMed 12904989

Myklebust G, Engebretsen L, Braekken IH, Skjølberg A, Olsen OE, Bahr R (2003)
Prevention of anterior cruciate ligament injuries in female team handball players: a prospective intervention study over three seasons
Clin J Sport Med, 13 (2), 71-8
DOI 10.1097/00042752-200303000-00002, PubMed 12629423

Myklebust G, Holm I, Maehlum S, Engebretsen L, Bahr R (2003)
Clinical, functional, and radiologic outcome in team handball players 6 to 11 years after anterior cruciate ligament injury: a follow-up study
Am J Sports Med, 31 (6), 981-9
DOI 10.1177/03635465030310063901, PubMed 14623667

Olsen OE, Myklebust G, Engebretsen L, Holme I, Bahr R (2003)
Relationship between floor type and risk of ACL injury in team handball
Scand J Med Sci Sports, 13 (5), 299-304
DOI 10.1034/j.1600-0838.2003.00329.x, PubMed 14507295

Ozer H, Tekdemir I, Elhan A, Turanli S, Engebretsen L (2003)
A clinical case and anatomical study of the innervation supply of the vastus medialis muscle
Knee Surg Sports Traumatol Arthrosc, 12 (2), 119-22
DOI 10.1007/s00167-003-0382-7, PubMed 12756522

Publications 2002

Frihagen F, Kvakestad R, Melhuus K, Engebretsen L (2002)
The use of MRI scan of knee injuries in an emergency department
Scand J Med Sci Sports, 12 (3), 150-3
DOI 10.1034/j.1600-0838.2002.02132.x, PubMed 12135447

Wold BHF, Engebretsen L (2002)
Hamstringsskader i fotball
In Norsk idrettsmedisin, Medborgeren, Oslo, 17(2002)nr 2, S. 8-10
BIBSYS 021975736

Publications 2001

Ekstrand J, Engebretsen L, Karlsson J, Adolfsson P, Caspari M (2001)
Fotballmedisin
Norges fotballforbund, [Oslo], 495 s.
BIBSYS 011382406, ISBN 82-7055-005-1

Engebretsen L, Bahr R (2001)
[Hazardous--but healthy. New leisure activities and sports result in increased number of new and more severe injuries]
Lakartidningen, 98 (10), 1121
PubMed 11301980

Engebretsen L, Bahr R (2001)
[Hazardous--but good for health]
Tidsskr Nor Laegeforen, 121 (1), 18
PubMed 12013609

Engebretsen L, Bahr R (2001)
Skadelig - men sunt: nye fritidsaktiviteter og idretter gir nye og økt antall alvorlige skader
In Tidsskrift for Den norske legeforening, Foreningen, Oslo, 121(2001)nr. 1, S. 18
BIBSYS 010313370

Höiness P, Engebretsen L, Strömsöe K (2001)
The influence of perioperative soft tissue complications on the clinical outcome in surgically treated ankle fractures
Foot Ankle Int, 22 (8), 642-8
DOI 10.1177/107110070102200805, PubMed 11527025

Muellner T, Bugge W, Johansen S, Holtan C, Engebretsen L (2001)
Inter- and intratester comparison of the Rolimeter knee tester: effect of tester's experience and the examination technique
Knee Surg Sports Traumatol Arthrosc, 9 (5), 302-6
DOI 10.1007/s001670100225, PubMed 11685363

Muellner T, Ganko A, Bugge W, Engebretsen L (2001)
Isolated femoral mononeuropathy in the athlete. Anatomic considerations and report of two cases
Am J Sports Med, 29 (6), 814-7
DOI 10.1177/03635465010290062401, PubMed 11734499

Muellner T, Knopp A, Ludvigsen TC, Engebretsen L (2001)
Failed autologous chondrocyte implantation. Complete atraumatic graft delamination after two years
Am J Sports Med, 29 (4), 516-9
DOI 10.1177/03635465010290042301, PubMed 11476396

Muellner T, Menth-Chiari WA, Reihsner R, Eberhardsteiner J, Engebretsen L (2001)
Accuracy of pressure and flow capacities of four arthroscopic fluid management systems
Arthroscopy, 17 (7), 760-4
DOI 10.1053/jars.2001.25340, PubMed 11536097

Rønning R, Rønning I, Gerner T, Engebretsen L (2001)
The efficacy of wrist protectors in preventing snowboarding injuries
Am J Sports Med, 29 (5), 581-5
DOI 10.1177/03635465010290051001, PubMed 11573916

Strømsøe K, Engebretsen L, Høiness PR (2001)
The influence of perioperative soft tissue complications on the clinical outcome in surgically treated ankle fractures
In Foot & ankle international, Williams & Wilkins, Baltimore, MD, 22(2001)nr 8, s.642-648
BIBSYS 022006877

Publications 2000

Engebretsen L (2000)
Forebygging av fotballskader
In Fotball-treneren, Foreningen, Ulsteinvik, 14(2000)nr 1, S. 10-13, 27
BIBSYS 01064721x

Ganko A, Engebretsen L (2000)
Subcutaneous migration of meniscal arrows after failed meniscus repair. A report of two cases
Am J Sports Med, 28 (2), 252-3
DOI 10.1177/03635465000280021801, PubMed 10751004

Ganko A, Engebretsen L, Ozer H (2000)
The rolimeter: a new arthrometer compared with the KT-1000
Knee Surg Sports Traumatol Arthrosc, 8 (1), 36-9
DOI 10.1007/s001670050008, PubMed 10663318

Marker gjensidige brannkasse, Engebretsen L, Krog ME, Kvaal B (2000)
Forsikring i grensebygdene 1862-2000
Marker gjensidige brannkasse, Aremark, 55 s.
BIBSYS 001200054

Rønning R, Gerner T, Engebretsen L (2000)
Risk of injury during alpine and telemark skiing and snowboarding. The equipment-specific distance-correlated injury index
Am J Sports Med, 28 (4), 506-8
DOI 10.1177/03635465000280041001, PubMed 10921641

Rønning R, Gerner T, Engebretsen L (2000)
Risk of injury during alpine and telemark skiing and snowboarding
In American journal of sports medicine, The Society, Baltimore, Md., 28(2000)nr 4, S. 506-508
BIBSYS 010333282

Publications 1999

Engebretsen L, Weinholdt T (1999)
Løpsskader
Rhône-Poulenc Rorer, Østerås, 23 s.
BIBSYS 990662845

Grøntvedt T, Heir S, Rossvoll I, Engebretsen L (1999)
Five-year outcome of 13 patients with an initially undiagnosed anterior cruciate ligament rupture
Scand J Med Sci Sports, 9 (1), 62-4
DOI 10.1111/j.1600-0838.1999.tb00209.x, PubMed 9974200

Aarøen A, Engebretsen L (1999)
Kirurgisk behandling av bruskskader
In Norsk idrettsmedisin, Medborgeren, Oslo, 14(1999)nr 4, S. 22-24
BIBSYS 010744940

Publications 1998

Bahr R, Pena F, Shine J, Lew WD, Engebretsen L (1998)
Ligament force and joint motion in the intact ankle: a cadaveric study
Knee Surg Sports Traumatol Arthrosc, 6 (2), 115-21
DOI 10.1007/s001670050083, PubMed 9604197

Engebretsen L (1998)
[World Football Cup from the perspective of sports medicine]
Tidsskr Nor Laegeforen, 118 (15), 2347-51
PubMed 9691803

Engebretsen L (1998)
Fotball-VM i idrettsmedisinsk perspektiv
In Tidsskrift for Den norske legeforening, Foreningen, Oslo, 118(1998)nr. 15, S. 2347-51
BIBSYS 990567540

Engebretsen L (1998)
Kan spillestil påvirke fotballskadene?
In Norsk idrettsmedisin, Medborgeren, Oslo, 13(1998)nr 2, S. 9-13
BIBSYS 990836029

Høiness PR, Hvaal K, Engebretsen L (1998)
Severe hypothermic injury to the foot and ankle caused by continuous cryocompression therapy
Knee Surg Sports Traumatol Arthrosc, 6 (4), 253-5
DOI 10.1007/s001670050108, PubMed 9826808

Reikeraas O, Engebretsen L (1998)
Effects of ketoralac tromethamine and indomethacin on primary and secondary bone healing. An experimental study in rats
Arch Orthop Trauma Surg, 118 (1-2), 50-2
DOI 10.1007/s004020050310, PubMed 9833106

Publications 1997

Bahr R, Pena F, Shine J, Lew WD, Lindquist C, Tyrdal S, Engebretsen L (1997)
Mechanics of the anterior drawer and talar tilt tests. A cadaveric study of lateral ligament injuries of the ankle
Acta Orthop Scand, 68 (5), 435-41
DOI 10.3109/17453679708996258, PubMed 9385242

Bahr R, Pena F, Shine J, Lew WD, Tyrdal S, Engebretsen L (1997)
Biomechanics of ankle ligament reconstruction. An in vitro comparison of the Broström repair, Watson-Jones reconstruction, and a new anatomic reconstruction technique
Am J Sports Med, 25 (4), 424-32
DOI 10.1177/036354659702500402, PubMed 9240973

Myklebust G, Maehlum S, Engebretsen L, Strand T, Solheim E (1997)
Registration of cruciate ligament injuries in Norwegian top level team handball. A prospective study covering two seasons
Scand J Med Sci Sports, 7 (5), 289-92
DOI 10.1111/j.1600-0838.1997.tb00155.x, PubMed 9338947

Publications 1996

Brown GA, Peña F, Grøntvedt T, Labadie D, Engebretsen L (1996)
Fixation strength of interference screw fixation in bovine, young human, and elderly human cadaver knees: influence of insertion torque, tunnel-bone block gap, and interference
Knee Surg Sports Traumatol Arthrosc, 3 (4), 238-44
DOI 10.1007/BF01466626, PubMed 8739721

Grøntvedt T, Engebretsen L, Benum P, Fasting O, Mølster A, Strand T (1996)
A prospective, randomized study of three operations for acute rupture of the anterior cruciate ligament. Five-year follow-up of one hundred and thirty-one patients
J Bone Joint Surg Am, 78 (2), 159-68
DOI 10.2106/00004623-199602000-00001, PubMed 8609105

Grøntvedt T, Engebretsen L, Bredland T (1996)
Arthroscopic reconstruction of the anterior cruciate ligament using bone-patellar tendon-bone grafts with and without augmentation. A prospective randomised study
J Bone Joint Surg Br, 78 (5), 817-22
DOI 10.1302/0301-620X.78B5.0780817, PubMed 8836079

Grøntvedt T, Pena F, Engebretsen L (1996)
Accuracy of femoral tunnel placement and resulting graft force using one- or two-incision drill guides. A cadaver study on ten paired knees
Arthroscopy, 12 (2), 187-92
DOI 10.1016/s0749-8063(96)90009-2, PubMed 8776996

Lian O, Engebretsen L, Ovrebø RV, Bahr R (1996)
Characteristics of the leg extensors in male volleyball players with jumper's knee
Am J Sports Med, 24 (3), 380-5
DOI 10.1177/036354659602400322, PubMed 8734892

Lian O, Holen KJ, Engebretsen L, Bahr R (1996)
Relationship between symptoms of jumper's knee and the ultrasound characteristics of the patellar tendon among high level male volleyball players
Scand J Med Sci Sports, 6 (5), 291-6
DOI 10.1111/j.1600-0838.1996.tb00473.x, PubMed 8960651

Lund-Hanssen H, Gannon J, Engebretsen L, Holen K, Hammer S (1996)
Isokinetic muscle performance in healthy female handball players and players with a unilateral anterior cruciate ligament reconstruction
Scand J Med Sci Sports, 6 (3), 172-5
DOI 10.1111/j.1600-0838.1996.tb00085.x, PubMed 8827846

Pena F, Grøntvedt T, Brown GA, Aune AK, Engebretsen L (1996)
Comparison of failure strength between metallic and absorbable interference screws. Influence of insertion torque, tunnel-bone block gap, bone mineral density, and interference
Am J Sports Med, 24 (3), 329-34
DOI 10.1177/036354659602400314, PubMed 8734884

Publications 1995

Bahr R, Craig EV, Engebretsen L (1995)
The clinical presentation of shoulder instability including on field management
Clin Sports Med, 14 (4), 761-76
PubMed 8581998

Engebretsen L, Gilbert T (1995)
[Edema and pain in the leg--how to benefit from magnetic tomography?]
Tidsskr Nor Laegeforen, 115 (21), 2636-7
PubMed 7570471

Finkemeier C, Engebretsen L, Gannon J (1995)
Tibial-talar dislocation without fracture: treatment principles and outcome
Knee Surg Sports Traumatol Arthrosc, 3 (1), 47-9
DOI 10.1007/BF01553525, PubMed 7773821

Gannon JM, Engebretsen L, Aamodt A (1995)
Avascular necrosis of the metacarpal head in a shot-putter
Scand J Med Sci Sports, 5 (2), 107-9
DOI 10.1111/j.1600-0838.1995.tb00022.x, PubMed 7606510

Grossfeld SL, Engebretsen L (1995)
Patellar tendinitis--a case report of elongation and ossification of the inferior pole of the patella
Scand J Med Sci Sports, 5 (5), 308-10
DOI 10.1111/j.1600-0838.1995.tb00050.x, PubMed 8581575

Grøntvedt T, Engebretsen L (1995)
Arthroscopy of the hip
Scand J Med Sci Sports, 5 (1), 7-9
DOI 10.1111/j.1600-0838.1995.tb00003.x, PubMed 7882131

Grøntvedt T, Engebretsen L (1995)
Comparison between two techniques for surgical repair of the acutely torn anterior cruciate ligament. A prospective, randomized follow-up study of 48 patients
Scand J Med Sci Sports, 5 (6), 358-63
DOI 10.1111/j.1600-0838.1995.tb00059.x, PubMed 8775721

Grøntvedt T, Engebretsen L (1995)
Comparison between two techniques for surgical repair of the acutely torn anterior cruciate ligament: a prospective, randomized follow-up study of 48 patients
In Scandinavian journal of medicine & science in sports, Munksgaard., Copenhagen, 5(1995)nr 6, S.358-363
BIBSYS 961075848

Grøntvedt T, Engebretsen L, Benum P, Anda S (1995)
Extraarticular transposition of the patellar tendon for anterolateral instability of the knee. Poor results in 52 patients after 5-14-year follow-up
Acta Orthop Scand, 66 (4), 321-4
DOI 10.3109/17453679508995553, PubMed 7676818

Grøntvedt T, Engebretsen L, Rossvoll I, Smevik O, Nilsen G (1995)
Comparison between magnetic resonance imaging findings and knee stability: measurements after anterior cruciate ligament repair with and without augmentation. A five- to seven-year followup of 52 patients
Am J Sports Med, 23 (6), 729-35
DOI 10.1177/036354659502300616, PubMed 8600742

Holen KJ, Engebretsen L, Grøntvedt T, Rossvoll I, Hammer S, Stoltz V (1995)
Surgical treatment of medial tibial stress syndrome (shin splint) by fasciotomy of the superficial posterior compartment of the leg
Scand J Med Sci Sports, 5 (1), 40-3
DOI 10.1111/j.1600-0838.1995.tb00009.x, PubMed 7882127

Publications 1994

Engebretsen L (1994)
Idrottsskador
Syntex Nordica, Södertälje
BIBSYS 950134023, ISBN 91-85630-38-1

Engebretsen L, Craig EV, Fritts HM (1994)
[Evaluation of the rotator cuff with magnetic tomography]
Tidsskr Nor Laegeforen, 114 (6), 682-3
PubMed 8191450

Lewis JL, Poff BC, Smith JJ, Lindquist C, Engebretsen L, Lew WD (1994)
Method for establishing and measuring in vivo forces in an anterior cruciate ligament composite graft: response to differing levels of load sharing in a goat model
J Orthop Res, 12 (6), 780-8
DOI 10.1002/jor.1100120605, PubMed 7983553

Lund-Hanssen H, Gannon J, Engebretsen L, Holen KJ, Anda S, Vatten L (1994)
Intercondylar notch width and the risk for anterior cruciate ligament rupture. A case-control study in 46 female handball players
Acta Orthop Scand, 65 (5), 529-32
DOI 10.3109/17453679409000907, PubMed 7801756

Slawson SH, Arendt E, Engebretsen L, Everson LI, Griffiths HJ (1994)
Radiologic case study. Fibular stress fracture in a 20-year-old woman
Orthopedics, 17 (4), 375, 378-9
DOI 10.3928/0147-7447-19940401-15, PubMed 8015995

Tegnander A, Engebretsen L, Bergh K, Eide E, Holen KJ, Iversen OJ (1994)
Activation of the complement system and adverse effects of biodegradable pins of polylactic acid (Biofix) in osteochondritis dissecans
Acta Orthop Scand, 65 (4), 472-5
DOI 10.3109/17453679408995495, PubMed 7976300

Publications 1993

Engebretsen L (1993)
[Development of sports medicine]
Tidsskr Nor Laegeforen, 113 (4), 433-4
PubMed 8465279

Engebretsen L, Arendt E, Fritts HM (1993)
Osteochondral lesions and cruciate ligament injuries. MRI in 18 knees
Acta Orthop Scand, 64 (4), 434-6
DOI 10.3109/17453679308993661, PubMed 8213122

Engebretsen L, Craig EV (1993)
Radiologic features of shoulder instability
Clin Orthop Relat Res (291), 29-44
PubMed 8504609

Engebretsen L, Grøntvedt T, Bredland T (1993)
[Current principles in the treatment of knee ligament injuries]
Tidsskr Nor Laegeforen, 113 (8), 952-4
PubMed 8470074

Stewart NJ, Engebretsen L, Lewis JL, Lindquist C, Lew WD (1993)
Maintenance of set force in anterior cruciate ligament grafts
J Orthop Res, 11 (1), 149-53
DOI 10.1002/jor.1100110117, PubMed 8423517

Publications 1992

Engebretsen L (1992)
Temahefte om idrettsskader
In Syntex terapiserie, Astra-Syntex A.s, Strømmen, 39, 48 s.
BIBSYS 940001985

Publications 1991

Engebretsen L, Arendt E (1991)
[Patellofemoral pain. Diagnosis and treatment]
Tidsskr Nor Laegeforen, 111 (16), 1949-52
PubMed 1866724

Publications 1990

Engebretsen L (1990)
Treatment of acute anterior cruciate ligament injuries: a clinical and biomechanical study
In Acta Universitatis Nidrosiensis Facultatis Medicinae, Series A, Dissertations, Tapir, [Trondheim], 57, 1 b. (flere pag.)
BIBSYS 900593229

Engebretsen L, Benum P, Fasting O, Mølster A, Strand T (1990)
A prospective, randomized study of three surgical techniques for treatment of acute ruptures of the anterior cruciate ligament
Am J Sports Med, 18 (6), 585-90
DOI 10.1177/036354659001800605, PubMed 2285086

Engebretsen L, Lew WD, Lewis JL, Hunter RE (1990)
The effect of an iliotibial tenodesis on intraarticular graft forces and knee joint motion
Am J Sports Med, 18 (2), 169-76
DOI 10.1177/036354659001800210, PubMed 2343985

Engebretsen L, Lew WD, Lewis JL, Hunter RE, Benum P (1990)
Anterolateral rotatory instability of the knee. Cadaver study of extraarticular patellar-tendon transposition
Acta Orthop Scand, 61 (3), 225-30
DOI 10.3109/17453679008993505, PubMed 2371815

Engebretsen L, Tegnander A (1990)
Short-term results of the nonoperated isolated anterior cruciate ligament tear
J Orthop Trauma, 4 (4), 406-10
PubMed 2266446

Haaverstad R, Salkowitsch B, Griegel K, Bergmann S, Engebretsen L (1990)
[Primary suture of the anterior cruciate ligament at a county hospital]
Tidsskr Nor Laegeforen, 110 (2), 217-20
PubMed 2405543

Lew WD, Engebretsen L, Lewis JL, Hunter RE, Kowalczyk C (1990)
Method for setting total graft force and load sharing in augmented ACL grafts
J Orthop Res, 8 (5), 702-11
DOI 10.1002/jor.1100080512, PubMed 2388110

Lewis JL, Lew WD, Engebretsen L, Hunter RE, Kowalczyk C (1990)
Factors affecting graft force in surgical reconstruction of the anterior cruciate ligament
J Orthop Res, 8 (4), 514-21
DOI 10.1002/jor.1100080407, PubMed 2355291

Strand T, Tvedte R, Engebretsen L, Tegnander A (1990)
[Anterior cruciate ligament injuries in handball playing. Mechanisms and incidence of injuries]
Tidsskr Nor Laegeforen, 110 (17), 2222-5
PubMed 2375011

Publications 1989

Engebretsen L, Benum P, Sundalsvoll S (1989)
Primary suture of the anterior cruciate ligament. A 6-year follow-up of 74 cases
Acta Orthop Scand, 60 (5), 561-4
DOI 10.3109/17453678909150122, PubMed 2603656

Engebretsen L, Lew WD, Lewis JL, Hunter RE (1989)
Knee mechanics after repair of the anterior cruciate ligament. A cadaver study of ligament augmentation
Acta Orthop Scand, 60 (6), 703-9
DOI 10.3109/17453678909149609, PubMed 2624092

Engebretsen L, Mæhlum S (1989)
Idrettsmedisin
Universitetsforlaget, Oslo, 261 s.
BIBSYS 890185077, ISBN 82-00-43065-0

Engebretsen L, Svenningsen S, Benum P (1989)
Advancement of the tibial tuberosity for patellar pain. A 5-year follow-up
Acta Orthop Scand, 60 (1), 20-2
DOI 10.3109/17453678909150083, PubMed 2929287

Engebretsen L, Tegnander A, Benum P (1989)
[Treatment and rehabilitation of anterior cruciate ligament injuries in Norway. A comparison with the Anterior Cruciate Ligament Study Group]
Tidsskr Nor Laegeforen, 109 (12), 1288-90
PubMed 2734757

Finsen V, Saetermo R, Kibsgaard L, Farran K, Engebretsen L, Bolz KD, Benum P (1989)
Early postoperative weight-bearing and muscle activity in patients who have a fracture of the ankle
J Bone Joint Surg Am, 71 (1), 23-7
DOI 10.2106/00004623-198971010-00005, PubMed 2492286

Publications 1988

Engebretsen L, Svenningsen S, Benum P (1988)
Poor results of anterior cruciate ligament repair in adolescence
Acta Orthop Scand, 59 (6), 684-6
DOI 10.3109/17453678809149425, PubMed 3063056

Publications 1987

Engebretsen L, Kase T (1987)
[Soccer injuries and artificial turf]
Tidsskr Nor Laegeforen, 107 (26), 2215-7
PubMed 3672453

Publications 1985

Engebretsen L (1985)
[Soccer injuries in Norway]
Tidsskr Nor Laegeforen, 105 (26), 1766-9
PubMed 4060120