Publications 2025

Abbott A, Pedersen CF, Hedevik H, Parai C, Gorosito MA, Andersen M, Ingebrigtsen T, Solberg TK, Grotle M, Berg B (2025)
External validation of a prediction model for disability and pain after lumbar disc herniation surgery: a prospective international registry-based cohort study
Acta Orthop, 96, 512-520
DOI 10.2340/17453674.2025.44251, PubMed 40622239

Rysstad T, Grotle M, Traeger AC, Aasdahl L, Vigdal ØN, Aanesen F, Øiestad BE, Pripp AH, Wynne-Jones G, Dunn KM, Fors EA, Linton SJ, Tveter AT (2025)
Predicting prolonged work absence due to musculoskeletal disorders: development, validation, and clinical usefulness of prognostic prediction models
Int Arch Occup Environ Health, 98 (4-5), 385-397
DOI 10.1007/s00420-025-02129-8, PubMed 40198330

Solvang PK, Ingebrigtsen T, Grotle M, Groven KS, Dahl-Michelsen T (2025)
Distributed decision-making for lumbar spine surgery: A qualitative interview study with patients and neurosurgeons
Health (London), 13634593251319918 (in press)
DOI 10.1177/13634593251319918, PubMed 40008962

Publications 2024

Amundsen PA, Engedahl M, Burton K, Malmberg-Heimonen I, Grotle M, Froud R (2024)
Translation and cultural adaptation of evidence-informed leaflets on the work-health interface: a pragmatic approach to cultural adaptation
Prim Health Care Res Dev, 25, e42
DOI 10.1017/S1463423624000380, PubMed 39390762

Amundsen PA, Underwood M, Burton K, Grotle M, Engedahl MS, Malmberg-Heimonen I, Irgens PMS, Højen M, Kisa A, Hagen M, Holmgard TE, Martinsen A, Lothe J, Monsen SS, Froud R (2024)
Individual supported work placements (ReISE) for improving sustained return to work in unemployed people with persistent pain: an internal pilot study of a cohort randomised controlled approach
Pilot Feasibility Stud, 10 (1), 110
DOI 10.1186/s40814-024-01538-9, PubMed 39138502

Berg B, Gorosito MA, Fjeld O, Haugerud H, Storheim K, Solberg TK, Grotle M (2024)
Machine Learning Models for Predicting Disability and Pain Following Lumbar Disc Herniation Surgery
JAMA Netw Open, 7 (2), e2355024
DOI 10.1001/jamanetworkopen.2023.55024, PubMed 38324310

Chen Q, Berg B, Grotle M, Maher CG, Storheim K, Machado GC (2024)
Primary care seeking among adults with chronic neck and low back pain in Norway: A prospective study from the HUNT study linked to Norwegian primary healthcare registry
Eur J Pain, 28 (10), 1799-1810
DOI 10.1002/ejp.2310, PubMed 38970150

Clausen S, Hartvigsen J, Johansson MS, Kjønø LG, Grøn S, Skovsgaard CV, Storheim K, Magnusson K, Grotle M, Nim C (2024)
Healthcare Utilisation in Danish Primary Care Among Patients With Low Back or Neck/Thoracic Spine Pain Before and After Assessment in Secondary Care
Musculoskeletal Care, 22 (4), e70017
DOI 10.1002/msc.70017, PubMed 39614129

Feller D, Wingbermuhle R, Berg B, Vigdal ØN, Innocenti T, Grotle M, Ostelo R, Chiarotto A (2024)
Improvements Are Needed in the Adherence to the TRIPOD Statement for Clinical Prediction Models for Patients With Spinal Pain or Osteoarthritis: A Metaresearch Study
J Pain, 25 (11), 104624
DOI 10.1016/j.jpain.2024.104624, PubMed 39002741

Grøndahl LK, Axén I, Stensrud S, Hoekstra T, Vigdal ØN, Killingmo RM, Storheim K, Grotle M (2024)
Identifying latent subgroups in the older population seeking primary health care for a new episode of back pain - findings from the BACE-N cohort
BMC Musculoskelet Disord, 25 (1), 60
DOI 10.1186/s12891-024-07163-0, PubMed 38216905

Jahre H, Grotle M, Smedbråten K, Richardsen KR, Øiestad BE (2024)
Pain and depressive symptoms among adolescents: prevalence and associations with achievement pressure and coping in the Norwegian Ungdata study
BMC Public Health, 24 (1), 3054
DOI 10.1186/s12889-024-20566-x, PubMed 39501232

Johansson F, Rozental A, Edlund K, Grotle M, Rudman A, Jensen I, Skillgate E (2024)
Trajectories of procrastination among Swedish University students over one academic year: a cohort study
BMC Psychol, 12 (1), 559
DOI 10.1186/s40359-024-02072-2, PubMed 39407255

Killingmo RM, Rysstad T, Maas E, Pripp AH, Aanesen F, Tingulstad A, Tveter AT, Øiestad BE, Grotle M (2024)
Modifiable prognostic factors of high societal costs among people on sick leave due to musculoskeletal disorders: a replication study
BMC Musculoskelet Disord, 25 (1), 990
DOI 10.1186/s12891-024-08132-3, PubMed 39627785

Killingmo RM, Tveter AT, Pripp AH, Tingulstad A, Maas E, Rysstad T, Grotle M (2024)
Modifiable prognostic factors of high societal costs among people on sick leave due to musculoskeletal disorders: findings from an occupational cohort study
BMJ Open, 14 (3), e080567
DOI 10.1136/bmjopen-2023-080567, PubMed 38431296

Killingmo RM, Øiestad BE, Risberg MA, Maas E, Grotle M (2024)
Cost-effectiveness of strength exercise or aerobic exercise compared with usual care for patients with knee osteoarthritis: secondary results from a multiarm randomised controlled trial in Norway
BMJ Open, 14 (5), e079704
DOI 10.1136/bmjopen-2023-079704, PubMed 38803266

Mjåset C, Solberg TK, Zwart JA, Småstuen MC, Kolstad F, Grotle M (2024)
Correction to: Anterior surgical treatment for cervical degenerative radiculopathy: a prediction model for non‑success
Acta Neurochir (Wien), 166 (1), 149
DOI 10.1007/s00701-024-06045-7, PubMed 38526633

Mjåset C, Zwart JA, Goedmakers CMW, Smith TR, Solberg TK, Grotle M (2024)
Corrigendum to 'Criteria for success after surgery for cervical radiculopathy-estimates for a substantial amount of improvement in core outcome measures' by Christer Mjåset et al' [The Spine Journal 20/9 (2020) 1413-1421]
Spine J, 24 (6), 1132
DOI 10.1016/j.spinee.2024.02.024, PubMed 38519335

Mjåset C, Zwart JA, Kolstad F, Solberg T, Grotle M (2024)
Correction: Clinical improvement after surgery for degenerative cervical myelopathy; A comparison of Patient-Reported Outcome Measures during 12-month follow-up
PLoS One, 19 (3), e0300610
DOI 10.1371/journal.pone.0300610, PubMed 38466707

Toh ZA, Berg B, Han QYC, Hey HWD, Pikkarainen M, Grotle M, He HG (2024)
Clinical Decision Support System Used in Spinal Disorders: Scoping Review
J Med Internet Res, 26, e53951
DOI 10.2196/53951, PubMed 38502157

Venter M, Grotle M, Øiestad BE, Aanesen F, Tingulstad A, Rysstad T, Ferraro MC, McAuley JH, Cashin AG (2024)
Treatment Effect Modifiers for Return-to-Work in Patients With Musculoskeletal Disorders
J Pain, 25 (9), 104556
DOI 10.1016/j.jpain.2024.104556, PubMed 38710259

Vidal R, Grotle M, Johnsen MB, Yvernay L, Hartvigsen J, Ostelo R, Kjønø LG, Enstad CL, Killingmo RM, Halsnes EH, Grande GHD, Oliveira CB (2024)
Prediction models for outcomes in people with low back pain receiving conservative treatment: a systematic review
J Clin Epidemiol, 177, 111593
DOI 10.1016/j.jclinepi.2024.111593, PubMed 39522740

Vigdal ØN, Flugstad S, Storheim K, Killingmo RM, Grotle M (2024)
Predictive validity of the STarT Back screening tool among older adults with back pain
Eur J Pain, 28 (9), 1559-1570
DOI 10.1002/ejp.2281, PubMed 38752601

Zouch JH, Berg B, Pripp AH, Storheim K, Ashton-James CE, Ferreira ML, Grotle M, Ferreira PH (2024)
Reducing strain on primary healthcare systems through innovative models of care: the impact of direct access physiotherapy for musculoskeletal conditions-an interrupted time series analysis
Fam Med Community Health, 12 (3)
DOI 10.1136/fmch-2024-002998, PubMed 39317459

Publications 2023

Amundsen PA, Underwood M, Burton K, Grotle M, Malmberg-Heimonen I, Kisa A, Småstuen MC, Holmgard TE, Martinsen A, Lothe J, Irgens PMS, Højen M, Monsen SS, Froud R (2023)
Individual supported work placements (ReISE) for improving sustained return to work in unemployed people with persistent pain: study protocol for a cohort randomised controlled trial with embedded economic and process evaluations
Trials, 24 (1), 179
DOI 10.1186/s13063-023-07211-5, PubMed 36906593

Cashin AG, Øiestad BE, Aanesen F, Storheim K, Tingulstad A, Rysstad TL, Lee H, McAuley JH, Sowden G, Wynne-Jones G, Tveter AT, Grotle M (2023)
Mechanisms of vocational interventions for return to work from musculoskeletal conditions: a mediation analysis of the MI-NAV trial
Occup Environ Med, 80 (5), 246-253
DOI 10.1136/oemed-2022-108716, PubMed 36863864

Dunker Ø, Grotle M, Nilsen KB (2023)
Validating clinical tools for neuropathic pain: should negative studies be thrown out? Reply to Attal and Bouhassira
Pain, 164 (5), e261
DOI 10.1097/j.pain.0000000000002908, PubMed 37058694

Espeland A, Kristoffersen PM, Bråten LCH, Grøvle L, Grotle M, Haugen AJ, Rolfsen MP, Hellum C, Zwart JA, Storheim K, Assmus J, Vetti N (2023)
Longitudinal Relationship Between Reduced Modic Change Edema and Disability and Pain in Patients With Chronic Low Back Pain
Spine (Phila Pa 1976), 48 (24), 1699-1708
DOI 10.1097/BRS.0000000000004837, PubMed 37759351

Lombardo S, Hilde G, Småstuen MC, Grotle M (2023)
Effect of Godelieve Denys-Struyf (GDS) muscle and articulation chain treatment on clinical variables of patients with chronic low back pain and lumbar disc degeneration: a pilot feasibility randomized controlled trial
Pilot Feasibility Stud, 9 (1), 44
DOI 10.1186/s40814-023-01268-4, PubMed 36932432

Schulze DG, Nilsen KB, Clemm T, Grotle M, Zwart JA, Ulvestad B, Nordby KC (2023)
Influence of ergonomic factors on peripheral neuropathy under HAV exposure
Occup Med (Lond), 73 (1), 13-18
DOI 10.1093/occmed/kqac118, PubMed 36480225

Teig CJP, Bond MJ, Grotle M, Kjøllesdal M, Saga S, Cvancarova MS, Ellström Engh MA, Martini A (2023)
A novel method for the translation and cross-cultural adaptation of health-related quality of life patient-reported outcome measurements
Health Qual Life Outcomes, 21 (1), 13
DOI 10.1186/s12955-023-02089-y, PubMed 36721146

Tingulstad A, Maas ET, Rysstad T, Øiestad BE, Aanesen F, Pripp AH, Van Tulder MW, Grotle M (2023)
Six-month cost-effectiveness of adding motivational interviewing or a stratified vocational advice intervention to usual case management for workers with musculoskeletal disorders: the MI-NAV economic evaluation
J Occup Med Toxicol, 18 (1), 25
DOI 10.1186/s12995-023-00394-2, PubMed 37964240

Vigdal ØN, Storheim K, Killingmo RM, Rysstad T, Pripp AH, van der Gaag W, Chiarotto A, Koes B, Grotle M (2023)
External validation and updating of prognostic prediction models for nonrecovery among older adults seeking primary care for back pain
Pain, 164 (12), 2759-2768
DOI 10.1097/j.pain.0000000000002974, PubMed 37490100

Øiestad BE, Årøen A, Røtterud JH, Østerås N, Jarstad E, Grotle M, Risberg MA (2023)
The efficacy of strength or aerobic exercise on quality of life and knee function in patients with knee osteoarthritis. A multi-arm randomized controlled trial with 1-year follow-up
BMC Musculoskelet Disord, 24 (1), 714
DOI 10.1186/s12891-023-06831-x, PubMed 37684597

Aasdahl L, Standal MI, Hagen R, Solbjør M, Bagøien G, Fossen H, Foldal VS, Bjørngaard JH, Rysstad T, Grotle M, Johnsen R, Fors EA (2023)
Effectiveness of 'motivational interviewing' on sick leave: a randomized controlled trial in a social insurance setting
Scand J Work Environ Health, 49 (7), 477-486
DOI 10.5271/sjweh.4117, PubMed 37634251

Publications 2022

Banitalebi H, Aaen J, Storheim K, Negård A, Myklebust TÅ, Grotle M, Hellum C, Espeland A, Anvar M, Indrekvam K, Weber C, Brox JI, Brisby H, Hermansen E (2022)
A novel MRI index for paraspinal muscle fatty infiltration: reliability and relation to pain and disability in lumbar spinal stenosis: results from a multicentre study
Eur Radiol Exp, 6 (1), 38
DOI 10.1186/s41747-022-00284-y, PubMed 35854201

Bråten LCH, Grøvle L, Wigemyr M, Wilhelmsen M, Gjefsen E, Espeland A, Haugen AJ, Skouen JS, Brox JI, Zwart JA, Storheim K, Ostelo RW, Grotle M (2022)
Minimal important change was on the lower spectrum of previous estimates and responsiveness was sufficient for core outcomes in chronic low back pain
J Clin Epidemiol, 151, 75-87
DOI 10.1016/j.jclinepi.2022.07.012, PubMed 35926821

Danielsen E, Mjåset C, Ingebrigtsen T, Gulati S, Grotle M, Rudolfsen JH, Nygaard ØP, Solberg TK (2022)
A nationwide study of patients operated for cervical degenerative disorders in public and private hospitals
Sci Rep, 12 (1), 12856
DOI 10.1038/s41598-022-17194-z, PubMed 35896806

Dunker Ø, Grotle M, Bu Kvaløy M, Uglem M, Løseth S, Hjelland IE, Kleggetveit IP, Allen SM, Dehli Vigeland M, Munk Killingmo R, Sand T, Nilsen KB (2022)
Accuracy of neuropathic pain measurements in patients with symptoms of polyneuropathy: validation of painDETECT, Self-Completed Leeds Assessment of Neuropathic Symptoms and Signs, and Douleur Neuropathique 4
Pain, 164 (5), 991-1001
DOI 10.1097/j.pain.0000000000002793, PubMed 36240023

Edlund K, Sundberg T, Johansson F, Onell C, Rudman A, Holm LW, Grotle M, Jensen I, Côté P, Skillgate E (2022)
Sustainable UNiversity Life (SUN) study: protocol for a prospective cohort study of modifiable risk and prognostic factors for mental health problems and musculoskeletal pain among university students
BMJ Open, 12 (4), e056489
DOI 10.1136/bmjopen-2021-056489, PubMed 35379630

Ingebrigtsen T, Guldhaugen KA, Kristiansen JA, Kloster R, Grotle M, Solberg TK (2022)
Cervical spine surgery in the Northern Norway Regional Health Authority area in 2014-18
Tidsskr Nor Laegeforen, 142 (4)
DOI 10.4045/tidsskr.21.0628, PubMed 35239272

Jahre H, Grotle M, Smedbråten K, Richardsen KR, Côté P, Steingrímsdóttir ÓA, Nielsen C, Storheim K, Småstuen M, Stensland SØ, Øiestad BE (2022)
Low social acceptance among peers increases the risk of persistent musculoskeletal pain in adolescents. Prospective data from the Fit Futures Study
BMC Musculoskelet Disord, 23 (1), 44
DOI 10.1186/s12891-022-04995-6, PubMed 35027018

Killingmo RM, Chiarotto A, van der Windt DA, Storheim K, Bierma-Zeinstra SMA, Småstuen MC, Zolic-Karlsson Z, Vigdal ØN, Koes BW, Grotle M (2022)
Modifiable prognostic factors of high costs related to healthcare utilization among older people seeking primary care due to back pain: an identification and replication study
BMC Health Serv Res, 22 (1), 793
DOI 10.1186/s12913-022-08180-2, PubMed 35717179

Killingmo RM, Storheim K, van der Windt D, Zolic-Karlsson Z, Vigdal ØN, Kretz L, Småstuen MC, Grotle M (2022)
Healthcare utilization and related costs among older people seeking primary care due to back pain: findings from the BACE-N cohort study
BMJ Open, 12 (6), e057778
DOI 10.1136/bmjopen-2021-057778, PubMed 35725262

Kjønø LG, Killingmo RM, Vigdal ØN, Grotle M, Storheim K (2022)
Assessing physical workload among people with musculoskeletal disorders: validity and reliability of the physical workload questionnaire
BMC Musculoskelet Disord, 23 (1), 282
DOI 10.1186/s12891-022-05222-y, PubMed 35331205

Kristoffersen PM, Vetti N, Grøvle L, Brox JI, Haugli Bråten LC, Grotle M, Julsrud Haugen A, Rolfsen MP, Froholdt A, Skouen JS, Lutro O, Marchand GH, Anke A, Zwart JA, Storheim K, Assmus J, Espeland A (2022)
Amoxicillin Did Not Reduce Modic Change Edema in Patients With Chronic Low Back Pain: Subgroup Analyses of a Randomised Trial (the AIM Study)
Spine (Phila Pa 1976), 48 (3), 147-154
DOI 10.1097/BRS.0000000000004513, PubMed 36223435

Lie MU, Pedersen LM, Heuch I, Winsvold B, Gjerstad J, Hasvik E, Nygaard ØP, Grotle M, Matre D, Zwart JA, Nilsen KB (2022)
Low Back Pain With Persistent Radiculopathy; the Clinical Role of Genetic Variants in the Genes SOX5, CCDC26/GSDMC and DCC
Front Genet, 12, 757632
DOI 10.3389/fgene.2021.757632, PubMed 35140737

Major DH, Røe Y, Småstuen MC, van der Windt D, Sandbakk TB, Jæger M, Grotle M (2022)
Fear of movement and emotional distress as prognostic factors for disability in patients with shoulder pain: a prospective cohort study
BMC Musculoskelet Disord, 23 (1), 183
DOI 10.1186/s12891-022-05139-6, PubMed 35219313

Mjåset C, Solberg TK, Zwart JA, Småstuen MC, Kolstad F, Grotle M (2022)
Anterior surgical treatment for cervical degenerative radiculopathy: a prediction model for non-success
Acta Neurochir (Wien), 165 (1), 145-157
DOI 10.1007/s00701-022-05440-2, PubMed 36481873

Mjåset C, Zwart JA, Kolstad F, Solberg T, Grotle M (2022)
Clinical improvement after surgery for degenerative cervical myelopathy; A comparison of Patient-Reported Outcome Measures during 12-month follow-up
PLoS One, 17 (3), e0264954
DOI 10.1371/journal.pone.0264954, PubMed 35259164

Rysstad T, Grotle M, Aasdahl L, Dunn KM, Tveter AT (2022)
Identification and Characterisation of Trajectories of Sickness Absence Due to Musculoskeletal Pain: A 1-Year Population-based Study
J Occup Rehabil, 33 (2), 277-287
DOI 10.1007/s10926-022-10070-7, PubMed 36103063

Rysstad T, Grotle M, Aasdahl L, Hill JC, Dunn KM, Tingulstad A, Tveter AT (2022)
Stratifying workers on sick leave due to musculoskeletal pain: translation, cross-cultural adaptation and construct validity of the Norwegian Keele STarT MSK tool
Scand J Pain, 22 (2), 325-335
DOI 10.1515/sjpain-2021-0144, PubMed 35148473

Smedbråten K, Grotle M, Jahre H, Richardsen KR, Côté P, Steingrímsdóttir ÓA, Storheim K, Nielsen CS, Øiestad BE (2022)
Accumulation of health complaints is associated with persistent musculoskeletal pain two years later in adolescents: The Fit Futures study
PLoS One, 17 (12), e0278906
DOI 10.1371/journal.pone.0278906, PubMed 36580469

Smedbråten K, Grotle M, Jahre H, Richardsen KR, Småstuen MC, Skillgate E, Øiestad BE (2022)
Lifestyle behaviour in adolescence and musculoskeletal pain 11 years later: The Trøndelag Health Study
Eur J Pain, 26 (9), 1910-1922
DOI 10.1002/ejp.2012, PubMed 35851511

Vigdal ØN, Storheim K, Killingmo RM, Småstuen MC, Grotle M (2022)
The one-year clinical course of back-related disability and the prognostic value of comorbidity among older adults with back pain in primary care
Pain, 164 (4), e207-e216
DOI 10.1097/j.pain.0000000000002779, PubMed 36083174

Aanesen F, Grotle M, Rysstad TL, Tveter AT, Tingulstad A, Løchting I, Småstuen MC, van Tulder MW, Berg R, Foster NE, Wynne-Jones G, Sowden G, Fors E, Bagøien G, Hagen R, Storheim K, Øiestad BE (2022)
Effectiveness of adding motivational interviewing or a stratified vocational advice intervention to usual case management on return to work for people with musculoskeletal disorders: the MI-NAV randomised controlled trial
Occup Environ Med, 80 (1), 42-50
DOI 10.1136/oemed-2022-108637, PubMed 36428098

Publications 2021

Foldal VS, Solbjør M, Standal MI, Fors EA, Hagen R, Bagøien G, Johnsen R, Hara KW, Fossen H, Løchting I, Eik H, Grotle M, Aasdahl L (2021)
Barriers and Facilitators for Implementing Motivational Interviewing as a Return to Work Intervention in a Norwegian Social Insurance Setting: A Mixed Methods Process Evaluation
J Occup Rehabil, 31 (4), 785-795
DOI 10.1007/s10926-021-09964-9, PubMed 33761083

Jahre H, Grotle M, Smedbråten K, Richardsen KR, Bakken A, Øiestad BE (2021)
Neck and shoulder pain in adolescents seldom occur alone: Results from the Norwegian Ungdata Survey
Eur J Pain, 25 (8), 1751-1759
DOI 10.1002/ejp.1785, PubMed 33909331

Jahre H, Grotle M, Småstuen M, Guddal MH, Smedbråten K, Richardsen KR, Stensland S, Storheim K, Øiestad BE (2021)
Risk factors and risk profiles for neck pain in young adults: Prospective analyses from adolescence to young adulthood-The North-Trøndelag Health Study
PLoS One, 16 (8), e0256006
DOI 10.1371/journal.pone.0256006, PubMed 34383846

Johansson F, Côté P, Hogg-Johnson S, Rudman A, Holm LW, Grotle M, Jensen I, Sundberg T, Edlund K, Skillgate E (2021)
Depression, anxiety and stress among Swedish university students before and during six months of the COVID-19 pandemic: A cohort study
Scand J Public Health, 49 (7), 741-749
DOI 10.1177/14034948211015814, PubMed 34034577

Løchting I, Hagen R, Monsen CK, Grotle M, Storheim K, Aanesen F, Øiestad BE, Eik H, Bagøien G (2021)
Fidelity of a Motivational Interviewing Intervention for Improving Return to Work for People with Musculoskeletal Disorders
Int J Environ Res Public Health, 18 (19)
DOI 10.3390/ijerph181910324, PubMed 34639624

Major DH, Grotle M, Littlewood C, Brox JI, Matre D, Gallet HV, Røe Y (2021)
Adherence to self-managed exercises for patients with persistent subacromial pain: the Ad-Shoulder feasibility study
Pilot Feasibility Stud, 7 (1), 31
DOI 10.1186/s40814-021-00767-6, PubMed 33494821

Munk Killingmo R, Tveter AT, Småstuen MC, Storheim K, Grotle M (2021)
Comparison of self-reported and public registered absenteeism among people on long-term sick leave due to musculoskeletal disorders: criterion validity of the iMTA Productivity Cost Questionnaire
Eur J Health Econ, 22 (6), 865-872
DOI 10.1007/s10198-021-01294-0, PubMed 34061299

Røe Y, Rysstad T, Tveter AT, Sandbakk TB, Jæger M, Grotle M (2021)
What Are the Most Important Problems in Functioning Among Patients With Shoulder Pain? An Analysis of the Patient-Specific Functional Scale
Phys Ther, 101 (9)
DOI 10.1093/ptj/pzab141, PubMed 34089324

Schulze DG, Nilsen KB, Killingmo RM, Zwart JA, Grotle M (2021)
Clinical Utility of the 6-Item CTS, Boston-CTS, and Hand-Diagram for Carpal Tunnel Syndrome
Front Neurol, 12, 683807
DOI 10.3389/fneur.2021.683807, PubMed 34385969

Shrestha D, Shrestha R, Grotle M, Nygaard ØP, Solberg TK (2021)
Validation of the Nepali versions of the Neck Disability Index and the Numerical Rating Scale for Neck Pain
Spine (Phila Pa 1976), 46 (5), E325-E332
DOI 10.1097/BRS.0000000000003810, PubMed 33181772

Skonnord T, Fetveit A, Skjeie H, Brekke M, Grotle M, Klovning A, Aas E (2021)
Cost-effectiveness analysis of acupuncture compared with usual care for acute non-specific low back pain: secondary analysis of a randomised controlled trial
Acupunct Med, 40 (2), 123-132
DOI 10.1177/09645284211055747, PubMed 34847780

Tingulstad A, Van Tulder MW, Rysstad T, Tveter AT, Hill JC, Grotle M (2021)
Validity and reliability of the Norwegian version of the Musculoskeletal Health Questionnaire in people on sick leave
Health Qual Life Outcomes, 19 (1), 191
DOI 10.1186/s12955-021-01827-4, PubMed 34344366

Vigdal ØN, Storheim K, Munk Killingmo R, Småstuen MC, Grotle M (2021)
Characteristics of older adults with back pain associated with choice of first primary care provider: a cross-sectional analysis from the BACE-N cohort study
BMJ Open, 11 (9), e053229
DOI 10.1136/bmjopen-2021-053229, PubMed 34535487

Werner DAT, Grotle M, Småstuen MC, Gulati S, Nygaard ØP, Salvesen Ø, Ingebrigtsen T, Solberg TK (2021)
A prognostic model for failure and worsening after lumbar microdiscectomy: a multicenter study from the Norwegian Registry for Spine Surgery
Acta Neurochir (Wien), 163 (9), 2567-2580
DOI 10.1007/s00701-021-04859-3, PubMed 34245366

Aanesen F, Berg R, Løchting I, Tingulstad A, Eik H, Storheim K, Grotle M, Øiestad BE (2021)
Motivational Interviewing and Return to Work for People with Musculoskeletal Disorders: A Systematic Mapping Review
J Occup Rehabil, 31 (1), 63-71
DOI 10.1007/s10926-020-09892-0, PubMed 32356223

Aanesen F, Øiestad BE, Grotle M, Løchting I, Solli R, Sowden G, Wynne-Jones G, Storheim K, Eik H (2021)
Implementing a Stratified Vocational Advice Intervention for People on Sick Leave with Musculoskeletal Disorders: A Multimethod Process Evaluation
J Occup Rehabil, 32 (2), 306-318
DOI 10.1007/s10926-021-10007-6, PubMed 34606049

Publications 2020

Acharya RS, Tveter AT, Grotle M, Khadgi B, Koju R, Eberhard-Gran M, Stuge B (2020)
Cross-Cultural Adaptation and Validation of the Nepali Version of the Pelvic Girdle Questionnaire
J Manipulative Physiol Ther, 43 (3), 257-265
DOI 10.1016/j.jmpt.2019.04.009, PubMed 32739042

Bråten LCH, Grøvle L, Espeland A, Pripp AH, Grotle M, Helllum C, Haugen AJ, Froholdt A, Rolfsen MP, Nygaard ØP, Lutro O, Kristoffersen PM, Anke A, Schistad EI, Skouen JS, Brox JI, Zwart JA, Storheim K, AIM-study group (2020)
Clinical effect modifiers of antibiotic treatment in patients with chronic low back pain and Modic changes - secondary analyses of a randomised, placebo-controlled trial (the AIM study)
BMC Musculoskelet Disord, 21 (1), 458
DOI 10.1186/s12891-020-03422-y, PubMed 32660517

Bråten LCH, Schistad EI, Espeland A, Kristoffersen PM, Haugen AJ, Marchand GH, Vetti N, Pripp AH, Kadar TI, Skouen JS, Grotle M, Grøvle L, Zwart JA, Brox JI, Storheim K, AIM-study group (2020)
Association of Modic change types and their short tau inversion recovery signals with clinical characteristics- a cross sectional study of chronic low back pain patients in the AIM-study
BMC Musculoskelet Disord, 21 (1), 368
DOI 10.1186/s12891-020-03381-4, PubMed 32522268

Grotle M, Bråten LC, Brox JI, Espeland A, Zolic-Karlsson Z, Munk Killingmo R, Tingulstad A, Grøvle L, Froholdt A, Kristoffersen PM, Wigemyr M, van Tulder MW, Storheim K, Zwart JA, AIM-study group (2020)
Cost-utility analysis of antibiotic treatment in patients with chronic low back pain and Modic changes: results from a randomised, placebo-controlled trial in Norway (the AIM study)
BMJ Open, 10 (6), e035461
DOI 10.1136/bmjopen-2019-035461, PubMed 32546490

Ingebrigtsen T, Balteskard L, Guldhaugen KA, Kloster R, Uleberg B, Grotle M, Solberg TK (2020)
Treatment rates for lumbar spine surgery in Norway and Northern Norway Regional Health Authority 2014-18
Tidsskr Nor Laegeforen, 140 (17)
DOI 10.4045/tidsskr.20.0313, PubMed 33231397

Ingebrigtsen T, Balteskard L, Guldhaugen KA, Kloster R, Uleberg B, Grotle M, Solberg TK (2020)
Spinal hematoma after spinal puncture
Tidsskr. Nor. Laegeforen., 140 (17), 1759-1760

Jahre H, Grotle M, Smedbråten K, Dunn KM, Øiestad BE (2020)
Risk factors for non-specific neck pain in young adults. A systematic review
BMC Musculoskelet Disord, 21 (1), 366
DOI 10.1186/s12891-020-03379-y, PubMed 32517732

Løchting I, Grotle M, Storheim K, Foldal V, Standal MI, Fors EA, Eik H (2020)
Complex return to work process - caseworkers' experiences of facilitating return to work for individuals on sick leave due to musculoskeletal disorders
BMC Public Health, 20 (1), 1822
DOI 10.1186/s12889-020-09804-0, PubMed 33256648

Mjåset C, Zwart JA, Goedmakers CMW, Smith TR, Solberg TK, Grotle M (2020)
Criteria for success after surgery for cervical radiculopathy-estimates for a substantial amount of improvement in core outcome measures
Spine J, 20 (9), 1413-1421
DOI 10.1016/j.spinee.2020.05.549, PubMed 32502657

Munk R, Storheim K, Zwart JA, Hartvigsen J, Skonnord T, Vigdal ON, Grotle M (2020)
While we're waiting for new guidelines for the treatment of lumbar pain
Tidsskr. Nor. Laegeforen., 140 (8), 747-748

Munk R, Storheim K, Zwart JA, Hartvigsen J, Skonnord T, Vigdal ØN, Grotle M (2020)
[While we wait for new guidelines for treatment of lower back pain]
Tidsskr Nor Laegeforen, 140 (8)
DOI 10.4045/tidsskr.20.0181, PubMed 32463191

Rysstad T, Grotle M, Klokk LP, Tveter AT (2020)
Responsiveness and minimal important change of the QuickDASH and PSFS when used among patients with shoulder pain
BMC Musculoskelet Disord, 21 (1), 328
DOI 10.1186/s12891-020-03289-z, PubMed 32460743

Røe Y, Buchbinder R, Grotle M, Whittle S, Ramiro S, Huang H, Gagnier J, Verhagen A, Østensjø S (2020)
What Do the OMERACT Shoulder Core Set Candidate Instruments Measure? An Analysis Using the Refined International Classification of Functioning, Disability, and Health Linking Rules
J Rheumatol, 47 (10), 1557-1564
DOI 10.3899/jrheum.190832, PubMed 32062599

Skonnord T, Skjeie H, Brekke M, Klovning A, Grotle M, Aas E, Mdala I, Fetveit A (2020)
Acupuncture for acute non-specific low back pain: a randomised, controlled, multicentre intervention study in general practice-the Acuback study
BMJ Open, 10 (8), e034157
DOI 10.1136/bmjopen-2019-034157, PubMed 32764081

Standal MI, Aasdahl L, Jensen C, Foldal VS, Hagen R, Fors EA, Solbjør M, Hjemdal O, Grotle M, Meisingset I (2020)
Subgroups of Long-Term Sick-Listed Based on Prognostic Return to Work Factors Across Diagnoses: A Cross-Sectional Latent Class Analysis
J Occup Rehabil, 31 (2), 383-392
DOI 10.1007/s10926-020-09928-5, PubMed 33052511

Tveter AT, Øiestad BE, Rysstad TL, Aanesen F, Tingulstad A, Småstuen MC, Grotle M (2020)
Risk assessment for prolonged sickness absence due to musculoskeletal disorders: protocol for a prospective cohort study
BMC Musculoskelet Disord, 21 (1), 326
DOI 10.1186/s12891-020-03354-7, PubMed 32450820

Øiestad BE, Aanesen F, Løchting I, Storheim K, Tingulstad A, Rysstad TL, Småstuen MC, Tveter AT, Sowden G, Wynne-Jones G, Fors EA, van Tulder M, Berg RC, Foster NE, Grotle M (2020)
Study protocol for a randomized controlled trial of the effectiveness of adding motivational interviewing or stratified vocational advice intervention to usual case management on return to work for people with musculoskeletal disorders. The MI-NAV study
BMC Musculoskelet Disord, 21 (1), 496
DOI 10.1186/s12891-020-03475-z, PubMed 32723318

Publications 2019

Austevoll IM, Gjestad R, Grotle M, Solberg T, Brox JI, Hermansen E, Rekeland F, Indrekvam K, Storheim K, Hellum C (2019)
Follow-up score, change score or percentage change score for determining clinical important outcome following surgery? An observational study from the Norwegian registry for Spine surgery evaluating patient reported outcome measures in lumbar spinal stenosis and lumbar degenerative spondylolisthesis
BMC Musculoskelet Disord, 20 (1), 31
DOI 10.1186/s12891-018-2386-y, PubMed 30658613

Bråten LCH, Rolfsen MP, Espeland A, Wigemyr M, Aßmus J, Froholdt A, Haugen AJ, Marchand GH, Kristoffersen PM, Lutro O, Randen S, Wilhelmsen M, Winsvold BS, Kadar TI, Holmgard TE, Vigeland MD, Vetti N, Nygaard ØP, Lie BA, Hellum C, Anke A, Grotle M, Schistad EI, Skouen JS, Grøvle L et al. (2019)
Efficacy of antibiotic treatment in patients with chronic low back pain and Modic changes (the AIM study): double blind, randomised, placebo controlled, multicentre trial
BMJ, 367, l5654
DOI 10.1136/bmj.l5654, PubMed 31619437

Fjeld OR, Grotle M, Matre D, Pedersen LM, Lie MU, Småstuen MC, Storheim K, Heuch I, Stubhaug A, Zwart JA, Nilsen KB (2019)
Predicting the outcome of persistent sciatica using conditioned pain modulation: 1-year results from a prospective cohort study
Scand J Pain, 20 (1), 69-75
DOI 10.1515/sjpain-2019-0112, PubMed 31527299

Fjeld OR, Grøvle L, Helgeland J, Småstuen MC, Solberg TK, Zwart JA, Grotle M (2019)
Complications, reoperations, readmissions, and length of hospital stay in 34 639 surgical cases of lumbar disc herniation
Bone Joint J, 101-B (4), 470-477
DOI 10.1302/0301-620X.101B4.BJJ-2018-1184.R1, PubMed 30929479

Grotle M, Småstuen MC, Fjeld O, Grøvle L, Helgeland J, Storheim K, Solberg TK, Zwart JA (2019)
Lumbar spine surgery across 15 years: trends, complications and reoperations in a longitudinal observational study from Norway
BMJ Open, 9 (8), e028743
DOI 10.1136/bmjopen-2018-028743, PubMed 31375617

Grøvle L, Fjeld OR, Haugen AJ, Helgeland J, Småstuen MC, Solberg TK, Zwart JA, Grotle M (2019)
The Rates of LSS Surgery in Norwegian Public Hospitals: A Threefold Increase From 1999 to 2013
Spine (Phila Pa 1976), 44 (6), E372-E378
DOI 10.1097/BRS.0000000000002858, PubMed 30234811

Ho KKN, Simic M, Cvancarova Småstuen M, de Barros Pinheiro M, Ferreira PH, Bakke Johnsen M, Heuch I, Grotle M, Zwart JA, Nilsen KB (2019)
The association between insomnia, c-reactive protein, and chronic low back pain: cross-sectional analysis of the HUNT study, Norway
Scand J Pain, 19 (4), 765-777
DOI 10.1515/sjpain-2019-0033, PubMed 31287802

Major DH, Røe Y, Grotle M, Jessup RL, Farmer C, Småstuen MC, Buchbinder R (2019)
Content reporting of exercise interventions in rotator cuff disease trials: results from application of the Consensus on Exercise Reporting Template (CERT)
BMJ Open Sport Exerc Med, 5 (1), e000656
DOI 10.1136/bmjsem-2019-000656, PubMed 31908837

Munk R, Storheim K, Småstuen MC, Grotle M (2019)
Measuring Productivity Costs in Patients With Musculoskeletal Disorders: Measurement Properties of the Institute for Medical Technology Assessment Productivity Cost Questionnaire
Value Health, 22 (12), 1410-1416
DOI 10.1016/j.jval.2019.07.011, PubMed 31806198

Ogollah R, Bishop A, Lewis M, Grotle M, Foster NE (2019)
Responsiveness and Minimal Important Change for Pain and Disability Outcome Measures in Pregnancy-Related Low Back and Pelvic Girdle Pain
Phys Ther, 99 (11), 1551-1561
DOI 10.1093/ptj/pzz107, PubMed 31392990

Schulze DG, Nordby KC, Cvancarova Småstuen M, Clemm T, Grotle M, Zwart JA, Nilsen KB (2019)
Impact of technical variations on the ring-finger test for carpal tunnel syndrome
Clin Neurophysiol Pract, 5, 23-29
DOI 10.1016/j.cnp.2019.11.005, PubMed 31909307

Shijagurumayum Acharya R, Tveter AT, Grotle M, Eberhard-Gran M, Stuge B (2019)
Prevalence and severity of low back- and pelvic girdle pain in pregnant Nepalese women
BMC Pregnancy Childbirth, 19 (1), 247
DOI 10.1186/s12884-019-2398-0, PubMed 31307421

Shijagurumayum Acharya R, Tveter AT, Grotle M, Khadgi B, Braekken IH, Stuge B (2019)
Pelvic floor muscle training programme in pregnant Nepalese women-a feasibility study
Int Urogynecol J, 31 (8), 1609-1619
DOI 10.1007/s00192-019-04053-1, PubMed 31346671

Stynes S, Grøvle L, Haugen AJ, Konstantinou K, Grotle M (2019)
New insight to the characteristics and clinical course of clusters of patients with imaging confirmed disc-related sciatica
Eur J Pain, 24 (1), 171-181
DOI 10.1002/ejp.1475, PubMed 31454467

Tingulstad A, Munk R, Grotle M, Vigdal Ø, Storheim K, Langhammer B (2019)
Back beliefs among elderly seeking health care due to back pain; psychometric properties of the Norwegian version of the back beliefs questionnaire
BMC Musculoskelet Disord, 20 (1), 510
DOI 10.1186/s12891-019-2910-8, PubMed 31679522

Werner DAT, Grotle M, Gulati S, Austevoll IM, Madsbu MA, Lønne G, Solberg TK (2019)
Can a Successful Outcome After Surgery for Lumbar Disc Herniation Be Defined by the Oswestry Disability Index Raw Score?
Global Spine J, 10 (1), 47-54
DOI 10.1177/2192568219851480, PubMed 32002349

Øiestad BE, Hilde G, Tveter AT, Peat GG, Thomas MJ, Dunn KM, Grotle M (2019)
Risk factors for episodes of back pain in emerging adults. A systematic review
Eur J Pain, 24 (1), 19-38
DOI 10.1002/ejp.1474, PubMed 31433541

Publications 2018

Chiarotto A, Boers M, Deyo RA, Buchbinder R, Corbin TP, Costa LOP, Foster NE, Grotle M, Koes BW, Kovacs FM, Lin CC, Maher CG, Pearson AM, Peul WC, Schoene ML, Turk DC, van Tulder MW, Terwee CB, Ostelo RW (2018)
Core outcome measurement instruments for clinical trials in nonspecific low back pain
Pain, 159 (3), 481-495
DOI 10.1097/j.pain.0000000000001117, PubMed 29194127

Dragesund T, Strand LI, Grotle M (2018)
The Revised Body Awareness Rating Questionnaire: Development Into a Unidimensional Scale Using Rasch Analysis
Phys Ther, 98 (2), 122-132
DOI 10.1093/ptj/pzx111, PubMed 29096009

Hagen KB, Grotle M (2018)
Critically Appraised Papers: Moderate-intensity walking for people with severe knee osteoarthritis does not decrease pain but may have cardiovascular benefits [synopsis]
J Physiother, 64 (2), 123
DOI 10.1016/j.jphys.2018.02.001, PubMed 29530716

Vigdal ØN, Grotle M, Hagen KB (2018)
Critically appraised paper: Workplace physical exercise reduces musculoskeletal pain among healthcare workers more than home-based exercise [synopsis]
J Physiother, 64 (4), 265
DOI 10.1016/j.jphys.2018.06.003, PubMed 30190217

Werner EL, Løchting I, Storheim K, Grotle M (2018)
A focus group study to understand biases and confounders in a cluster randomized controlled trial on low back pain in primary care in Norway
BMC Fam Pract, 19 (1), 71
DOI 10.1186/s12875-018-0759-9, PubMed 29788920

Østerås N, Tveter AT, Garratt AM, Svinøy OE, Kjeken I, Natvig B, Grotle M, Hagen KB (2018)
Measurement properties for the revised patient-reported OsteoArthritis Quality Indicator questionnaire
Osteoarthritis Cartilage, 26 (10), 1300-1310
DOI 10.1016/j.joca.2018.06.007, PubMed 30231991

Publications 2017

Fjeld O, Grotle M, Siewers V, Pedersen LM, Nilsen KB, Zwart JA (2017)
Prognostic Factors for Persistent Leg-Pain in Patients Hospitalized With Acute Sciatica
Spine (Phila Pa 1976), 42 (5), E272-E279
DOI 10.1097/BRS.0000000000001773, PubMed 28244968

Grotle M, Hagen KB (2017)
Placebo pills provided without deception may help to reduce pain and disability in people with chronic low back pain [synopsis]
J Physiother, 63 (3), 183
DOI 10.1016/j.jphys.2017.05.002, PubMed 28641895

Grotle M, Hagen KB (2017)
Yoga classes may be an alternative to physiotherapy for people with chronic nonspecific low back pain [synopsis]
J Physiother, 64 (1), 57
DOI 10.1016/j.jphys.2017.11.001, PubMed 29289586

Hagen KB, Grotle M (2017)
Similar benefits from Tai Chi and supervised physiotherapy for knee osteoarthritis [synopsis]
J Physiother, 63 (2), 116
DOI 10.1016/j.jphys.2017.02.005, PubMed 28314649

Hagen KB, Grotle M (2017)
Internet-delivered physiotherapist-prescribed exercise and pain-coping skills training is beneficial for people with chronic knee pain [synopsis]
J Physiother, 63 (4), 260
DOI 10.1016/j.jphys.2017.07.009, PubMed 28889948

Løchting I, Garratt AM, Storheim K, Werner EL, Grotle M (2017)
The impact of psychological factors on condition-specific, generic and individualized patient reported outcomes in low back pain
Health Qual Life Outcomes, 15 (1), 40
DOI 10.1186/s12955-017-0593-0, PubMed 28222741

Mansell G, Storheim K, Løchting I, Werner EL, Grotle M (2017)
Identification of Indirect Effects in a Cognitive Patient Education (COPE) Intervention for Low Back Pain
Phys Ther, 97 (12), 1138-1146
DOI 10.1093/ptj/pzx091, PubMed 29186635

Storheim K, Espeland A, Grøvle L, Skouen JS, Aßmus J, Anke A, Froholdt A, Pedersen LM, Haugen AJ, Fors T, Schistad E, Lutro O, Marchand GH, Kadar T, Vetti N, Randen S, Nygaard ØP, Brox JI, Grotle M, Zwart JA (2017)
Antibiotic treatment In patients with chronic low back pain and Modic changes (the AIM study): study protocol for a randomised controlled trial
Trials, 18 (1), 596
DOI 10.1186/s13063-017-2306-8, PubMed 29246188

Stuge B, Jenssen HK, Grotle M (2017)
The Pelvic Girdle Questionnaire: Responsiveness and Minimal Important Change in Women With Pregnancy-Related Pelvic Girdle Pain, Low Back Pain, or Both
Phys Ther, 97 (11), 1103-1113
DOI 10.1093/ptj/pzx078, PubMed 29077966

Teig CJ, Grotle M, Bond MJ, Prinsen CAC, Engh MAE, Cvancarova MS, Kjøllesdal M, Martini A (2017)
Norwegian translation, and validation, of the Pelvic Floor Distress Inventory (PFDI-20) and the Pelvic Floor Impact Questionnaire (PFIQ-7)
Int Urogynecol J, 28 (7), 1005-1017
DOI 10.1007/s00192-016-3209-z, PubMed 28062903

Werner DAT, Grotle M, Gulati S, Austevoll IM, Lønne G, Nygaard ØP, Solberg TK (2017)
Criteria for failure and worsening after surgery for lumbar disc herniation: a multicenter observational study based on data from the Norwegian Registry for Spine Surgery
Eur Spine J, 26 (10), 2650-2659
DOI 10.1007/s00586-017-5185-5, PubMed 28616747

Publications 2016

Grotle M, Hagen KB (2016)
A supervised exercise program may not add any benefit over advice for patients recovering from ankle fracture
J Physiother, 62 (2), 114; discussion 114
DOI 10.1016/j.jphys.2016.01.002, PubMed 26996094

Grotle M, Hagen KB (2016)
Exercise therapy may be as effective as arthroscopic partial meniscectomy in treating degenerative meniscal tears [synopsis]
J Physiother, 63 (1), 52
DOI 10.1016/j.jphys.2016.10.009, PubMed 27964960

Hagen KB, Grotle M (2016)
Pulsed electromagnetic fields can reduce pain in the short term in patients with knee osteoarthritis [synopsis]
J Physiother, 62 (3), 168
DOI 10.1016/j.jphys.2016.05.006, PubMed 27298052

Haugen AJ, Grøvle L, Brox JI, Natvig B, Grotle M (2016)
Pain-related fear and functional recovery in sciatica: results from a 2-year observational study
J Pain Res, 9, 925-931
DOI 10.2147/JPR.S115003, PubMed 27826215

Løchting I, Storheim K, Werner EL, Småstuen Cvancarova M, Grotle M (2016)
Evaluation of individualized quality of life and illness perceptions in low back pain. A patient education cluster randomized controlled trial
Patient Educ Couns, 99 (12), 1992-1998
DOI 10.1016/j.pec.2016.05.015, PubMed 27486051

Stevens ML, Lin CW, Hancock MJ, Latimer J, Buchbinder R, Grotle M, van Tulder M, New CH, Wisby-Roth T, Maher CG (2016)
TOPS: Trial Of Prevention Strategies for low back pain in patients recently recovered from low back pain-study rationale and protocol
BMJ Open, 6 (5), e011492
DOI 10.1136/bmjopen-2016-011492, PubMed 27217287

Uhlig T, Bjørneboe O, Krøll F, Palm Ø, Olsen IC, Grotle M (2016)
Involvement of the multidisciplinary team and outcomes in inpatient rehabilitation among patients with inflammatory rheumatic disease
BMC Musculoskelet Disord, 17, 18
DOI 10.1186/s12891-016-0870-9, PubMed 26762160

Werner EL, Storheim K, Løchting I, Wisløff T, Grotle M (2016)
Cognitive Patient Education for Low Back Pain in Primary Care: A Cluster Randomized Controlled Trial and Cost-Effectiveness Analysis
Spine (Phila Pa 1976), 41 (6), 455-62
DOI 10.1097/BRS.0000000000001268, PubMed 26966970

Publications 2015

Chiarotto A, Deyo RA, Terwee CB, Boers M, Buchbinder R, Corbin TP, Costa LO, Foster NE, Grotle M, Koes BW, Kovacs FM, Lin CW, Maher CG, Pearson AM, Peul WC, Schoene ML, Turk DC, van Tulder MW, Ostelo RW (2015)
Core outcome domains for clinical trials in non-specific low back pain
Eur Spine J, 24 (6), 1127-42
DOI 10.1007/s00586-015-3892-3, PubMed 25841358

Chiarotto A, Deyo RA, Terwee CB, Boers M, Buchbinder R, Corbin TP, Costa LO, Foster NE, Grotle M, Koes BW, Kovacs FM, Lin CW, Maher CG, Pearson AM, Peul WC, Schoene ML, Turk DC, van Tulder MW, Ostelo RW (2015)
Erratum to: Core outcome domains for clinical trials in non-specific low back pain
Eur Spine J, 24 (9), 2097
DOI 10.1007/s00586-015-3984-0, PubMed 25953528

Hagen KB, Grotle M (2015)
No differences between physiotherapy and decompression surgery for patients considered surgical candidates for lumbar spinal stenosis [synopsis]
J Physiother, 62 (1), 49
DOI 10.1016/j.jphys.2015.09.003, PubMed 26701158

Kent P, Grotle M, Dunn KM, Albert HB, Lauridsen HH (2015)
Rasch analysis of the 23-item version of the Roland Morris Disability Questionnaire
J Rehabil Med, 47 (4), 356-64
DOI 10.2340/16501977-1935, PubMed 25594334

Moe RH, Grotle M, Kjeken I, Olsen IC, Mowinckel P, Haavardsholm EA, Hagen KB, Kvien TK, Uhlig T (2015)
Effectiveness of an Integrated Multidisciplinary Osteoarthritis Outpatient Program versus Outpatient Clinic as Usual: A Randomized Controlled Trial
J Rheumatol, 43 (2), 411-8
DOI 10.3899/jrheum.150157, PubMed 26669917

Publications 2014

Chiarotto A, Terwee CB, Deyo RA, Boers M, Lin CW, Buchbinder R, Corbin TP, Costa LO, Foster NE, Grotle M, Koes BW, Kovacs FM, Maher CG, Pearson AM, Peul WC, Schoene ML, Turk DC, van Tulder MW, Ostelo RW (2014)
A core outcome set for clinical trials on non-specific low back pain: study protocol for the development of a core domain set
Trials, 15, 511
DOI 10.1186/1745-6215-15-511, PubMed 25540987

Engebretsen KB, Grotle M, Natvig B (2014)
Patterns of shoulder pain during a 14-year follow-up: results from a longitudinal population study in Norway
Shoulder Elbow, 7 (1), 49-59
DOI 10.1177/1758573214552007, PubMed 27582957

Grotle M, Birger Hagen K (2014)
Surgery for cervical radiculopathy followed by physiotherapy may resolve symptoms faster than physiotherapy alone, but with few differences at two years
J Physiother, 60 (2), 109
DOI 10.1016/j.jphys.2014.05.009, PubMed 24952840

Grotle M, Solberg T, Storheim K, Lærum E, Zwart JA (2014)
Public and private health service in Norway: a comparison of patient characteristics and surgery criteria for patients with nerve root affections due to discus herniation
Eur Spine J, 23 (9), 1984-91
DOI 10.1007/s00586-014-3293-z, PubMed 24898309

Grøvle L, Haugen AJ, Hasvik E, Natvig B, Brox JI, Grotle M (2014)
Patients' ratings of global perceived change during 2 years were strongly influenced by the current health status
J Clin Epidemiol, 67 (5), 508-15
DOI 10.1016/j.jclinepi.2013.12.001, PubMed 24598378

Kjeken I, Grotle M, Hagen KB, Østerås N (2014)
Development of an evidence-based exercise programme for people with hand osteoarthritis
Scand J Occup Ther, 22 (2), 103-16
DOI 10.3109/11038128.2014.941394, PubMed 25134427

Løchting I, Grotle M, Storheim K, Werner EL, Garratt AM (2014)
Individualized quality of life in patients with low back pain: reliability and validity of the Patient Generated Index
J Rehabil Med, 46 (8), 781-7
DOI 10.2340/16501977-1826, PubMed 25117176

Østerås N, Hagen KB, Grotle M, Sand-Svartrud AL, Mowinckel P, Kjeken I (2014)
Limited effects of exercises in people with hand osteoarthritis: results from a randomized controlled trial
Osteoarthritis Cartilage, 22 (9), 1224-33
DOI 10.1016/j.joca.2014.06.036, PubMed 25008206

Østerås N, Hagen KB, Grotle M, Sand-Svartrud AL, Mowinckel P, Aas E, Kjeken I (2014)
Exercise programme with telephone follow-up for people with hand osteoarthritis - protocol for a randomised controlled trial
BMC Musculoskelet Disord, 15, 82
DOI 10.1186/1471-2474-15-82, PubMed 24629063

Publications 2013

Ferreira ML, Herbert RD, Ferreira PH, Latimer J, Ostelo RW, Grotle M, Barrett B (2013)
The smallest worthwhile effect of nonsteroidal anti-inflammatory drugs and physiotherapy for chronic low back pain: a benefit-harm trade-off study
J Clin Epidemiol, 66 (12), 1397-404
DOI 10.1016/j.jclinepi.2013.02.018, PubMed 24021611

Grotle M, Klokkerud M, Kjeken I, Bremander A, Hagel S, Strömbeck B, Hørslev-Petersen K, Meesters J, Vlieland TP, Hagen KB (2013)
What's in the black box of arthritis rehabilitation? A comparison of rehabilitation practice for patients with inflammatory arthritis in northern Europe
J Rehabil Med, 45 (5), 458-66
DOI 10.2340/16501977-1125, PubMed 23450275

Grotle M, Wilkens P, Garratt AM, Scheel I, Storheim K (2013)
Which Roland-Morris Disability Questionnaire? Rasch analysis of four different versions tested in a Norwegian population
J Rehabil Med, 45 (7), 670-7
DOI 10.2340/16501977-1166, PubMed 23828073

Grøvle L, Haugen AJ, Keller A, Ntvig B, Brox JI, Grotle M (2013)
Prognostic factors for return to work in patients with sciatica
Spine J, 13 (12), 1849-57
DOI 10.1016/j.spinee.2013.07.433, PubMed 24060231

Grøvle L, Haugen AJ, Natvig B, Brox JI, Grotle M (2013)
The prognosis of self-reported paresthesia and weakness in disc-related sciatica
Eur Spine J, 22 (11), 2488-95
DOI 10.1007/s00586-013-2871-9, PubMed 23771579

Johnsen LG, Hellum C, Nygaard OP, Storheim K, Brox JI, Rossvoll I, Leivseth G, Grotle M (2013)
Comparison of the SF6D, the EQ5D, and the oswestry disability index in patients with chronic low back pain and degenerative disc disease
BMC Musculoskelet Disord, 14, 148
DOI 10.1186/1471-2474-14-148, PubMed 23622053

Klokkerud M, Grotle M, Løchting I, Kjeken I, Hagen KB, Garratt AM (2013)
Psychometric properties of the Norwegian version of the patient generated index in patients with rheumatic diseases participating in rehabilitation or self-management programmes
Rheumatology (Oxford), 52 (5), 924-32
DOI 10.1093/rheumatology/kes401, PubMed 23335634

Meesters J, Hagel S, Klokkerud M, Stovgaard I, Bremander A, Grotle M, Hørslev-Petersen K, Petersson IF, Hagen KB, Pont W, Vlieland TV (2013)
Goal-setting in multidisciplinary team care for patients with rheumatoid arthritis: an international multi-center evaluation of the contents using the International Classification of Functioning, Disability and Health as a reference
J Rehabil Med, 45 (9), 888-99
DOI 10.2340/16501977-1191, PubMed 23974511

Solberg T, Johnsen LG, Nygaard ØP, Grotle M (2013)
Can we define success criteria for lumbar disc surgery? : estimates for a substantial amount of improvement in core outcome measures
Acta Orthop, 84 (2), 196-201
DOI 10.3109/17453674.2013.786634, PubMed 23506164

Øiestad BE, Østerås N, Frobell R, Grotle M, Brøgger H, Risberg MA (2013)
Efficacy of strength and aerobic exercise on patient-reported outcomes and structural changes in patients with knee osteoarthritis: study protocol for a randomized controlled trial
BMC Musculoskelet Disord, 14, 266
DOI 10.1186/1471-2474-14-266, PubMed 24028201

Østerås N, Garratt A, Grotle M, Natvig B, Kjeken I, Kvien TK, Hagen KB (2013)
Patient-reported quality of care for osteoarthritis: development and testing of the osteoarthritis quality indicator questionnaire
Arthritis Care Res (Hoboken), 65 (7), 1043-51
DOI 10.1002/acr.21976, PubMed 23401461

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

Dagfinrud H, Storheim K, Magnussen LH, Ødegaard T, Hoftaniska I, Larsen LG, Ringstad PO, Hatlebrekke F, Grotle M (2012)
The predictive validity of the Örebro Musculoskeletal Pain Questionnaire and the clinicians' prognostic assessment following manual therapy treatment of patients with LBP and neck pain
Man Ther, 18 (2), 124-9
DOI 10.1016/j.math.2012.08.002, PubMed 23018081

Fernandes L, Grotle M, Darre S, Nossum R, Kjeken I (2012)
Validity and responsiveness of the Measure of Activity Performance of the Hand (MAP-Hand) in patients with hand osteoarthritis
J Rehabil Med, 44 (10), 869-76
DOI 10.2340/16501977-1035, PubMed 22948123

Fernandes L, Storheim K, Lochting I, Grotle M (2012)
Cross-cultural adaptation and validation of the Norwegian pain catastrophizing scale in patients with low back pain
BMC Musculoskelet Disord, 13, 111
DOI 10.1186/1471-2474-13-111, PubMed 22726668

Hagen KB, Dagfinrud H, Moe RH, Østerås N, Kjeken I, Grotle M, Smedslund G (2012)
Exercise therapy for bone and muscle health: an overview of systematic reviews
BMC Med, 10, 167
DOI 10.1186/1741-7015-10-167, PubMed 23253613

Haugen AJ, Brox JI, Grøvle L, Keller A, Natvig B, Soldal D, Grotle M (2012)
Prognostic factors for non-success in patients with sciatica and disc herniation
BMC Musculoskelet Disord, 13, 183
DOI 10.1186/1471-2474-13-183, PubMed 22999108

Klokkerud M, Hagen KB, Kjeken I, Bremander A, Hørslev-Petersen K, Vlieland TV, Grotle M, STAR-ETIC collaboration (2012)
Development of a framework identifying domains and elements of importance for arthritis rehabilitation
J Rehabil Med, 44 (5), 406-13
DOI 10.2340/16501977-0961, PubMed 22549648

Moe RH, Grotle M, Kjeken I, Hagen KB, Kvien TK, Uhlig T (2012)
Disease impact of hand OA compared with hip, knee and generalized disease in specialist rheumatology health care
Rheumatology (Oxford), 52 (1), 189-96
DOI 10.1093/rheumatology/kes215, PubMed 22923755

Skonnord T, Skjeie H, Brekke M, Grotle M, Lund I, Fetveit A (2012)
Acupuncture for acute non-specific low back pain: a protocol for a randomised, controlled multicentre intervention study in general practice--the Acuback Study
BMJ Open, 2 (3)
DOI 10.1136/bmjopen-2012-001164, PubMed 22734119

Storheim K, Brox JI, Løchting I, Werner EL, Grotle M (2012)
Cross-cultural adaptation and validation of the Norwegian version of the Core Outcome Measures Index for low back pain
Eur Spine J, 21 (12), 2539-49
DOI 10.1007/s00586-012-2393-x, PubMed 22695701

Publications 2011

Grotle M (2011)
Traditional Chinese acupuncture was not superior to sham acupuncture for knee osteoarthritis but delivering treatment with high expectations of improvement was superior to delivering treatment with neutral expectations
J Physiother, 57 (1), 56
DOI 10.1016/S1836-9553(11)70009-1, PubMed 21402332

Grotle M, Garratt AM, Krogstad Jenssen H, Stuge B (2011)
Reliability and construct validity of self-report questionnaires for patients with pelvic girdle pain
Phys Ther, 92 (1), 111-23
DOI 10.2522/ptj.20110076, PubMed 22016375

Grotle M, Hagen KB, Uhlig T, Aas E (2011)
Cost of illness for patients with arthritis receiving multidisciplinary rehabilitation care
Rehabil Res Pract, 2011, 487025
DOI 10.1155/2011/487025, PubMed 22110975

Grøvle L, Haugen AJ, Ihlebaek CM, Keller A, Natvig B, Brox JI, Grotle M (2011)
Comorbid subjective health complaints in patients with sciatica: a prospective study including comparison with the general population
J Psychosom Res, 70 (6), 548-56
DOI 10.1016/j.jpsychores.2010.11.008, PubMed 21624578

Grøvle L, Haugen AJ, Keller A, Natvig B, Brox JI, Grotle M (2011)
Poor agreement found between self-report and a public registry on duration of sickness absence
J Clin Epidemiol, 65 (2), 212-8
DOI 10.1016/j.jclinepi.2011.05.009, PubMed 21852072

Haugen AJ, Grøvle L, Brox JI, Natvig B, Keller A, Soldal D, Grotle M (2011)
Estimates of success in patients with sciatica due to lumbar disc herniation depend upon outcome measure
Eur Spine J, 20 (10), 1669-75
DOI 10.1007/s00586-011-1809-3, PubMed 21516463

Klokkerud M, Hagen KB, Løchting I, Uhlig T, Kjeken I, Grotle M (2011)
Does the content really matter? A study comparing structure, process, and outcome of team rehabilitation for patients with inflammatory arthritis in two different clinical settings
Scand J Rheumatol, 41 (1), 20-8
DOI 10.3109/03009742.2011.601757, PubMed 22106920

Moe RH, Haavardsholm EA, Grotle M, Steen E, Kjeken I, Hagen KB, Uhlig T (2011)
Development of a brief multidisciplinary education programme for patients with osteoarthritis
BMC Musculoskelet Disord, 12, 257
DOI 10.1186/1471-2474-12-257, PubMed 22077985

Stuge B, Garratt A, Krogstad Jenssen H, Grotle M (2011)
The pelvic girdle questionnaire: a condition-specific instrument for assessing activity limitations and symptoms in people with pelvic girdle pain
Phys Ther, 91 (7), 1096-108
DOI 10.2522/ptj.20100357, PubMed 21596959

Thornes E, Ikonomou N, Grotle M (2011)
Prognosis of surgical treatment for degenerative lumbar spinal stenosis: a prospective cohort study of clinical outcomes and health-related quality of life across gender and age groups
Open Orthop J, 5, 372-8
DOI 10.2174/1874325001105010372, PubMed 22135713

Publications 2010

Engebretsen K, Grotle M, Bautz-Holter E, Ekeberg OM, Brox JI (2010)
Determinants of the shoulder pain and disability index in patients with subacromial shoulder pain
J Rehabil Med, 42 (5), 499-505
DOI 10.2340/16501977-0548, PubMed 20544164

Engebretsen K, Grotle M, Bautz-Holter E, Ekeberg OM, Brox JI (2010)
Predictors of shoulder pain and disability index (SPADI) and work status after 1 year in patients with subacromial shoulder pain
BMC Musculoskelet Disord, 11, 218
DOI 10.1186/1471-2474-11-218, PubMed 20863369

Engebretsen K, Grotle M, Bautz-Holter E, Ekeberg OM, Juel NG, Brox JI (2010)
Supervised exercises compared with radial extracorporeal shock-wave therapy for subacromial shoulder pain: 1-year results of a single-blind randomized controlled trial
Phys Ther, 91 (1), 37-47
DOI 10.2522/ptj.20090338, PubMed 21088117

Grotle M, Croft P (2010)
More pain, less gain
Occup Environ Med, 67 (7), 434-5
DOI 10.1136/oem.2009.053223, PubMed 20581258

Grotle M, Foster NE, Dunn KM, Croft P (2010)
Are prognostic indicators for poor outcome different for acute and chronic low back pain consulters in primary care?
Pain, 151 (3), 790-797
DOI 10.1016/j.pain.2010.09.014, PubMed 20932646

Grotle M, Garratt AM, Klokkerud M, Løchting I, Uhlig T, Hagen KB (2010)
What's in team rehabilitation care after arthroplasty for osteoarthritis? Results from a multicenter, longitudinal study assessing structure, process, and outcome
Phys Ther, 90 (1), 121-31
DOI 10.2522/ptj.20080295, PubMed 20045807

Moe RH, Uhlig T, Kjeken I, Hagen KB, Kvien TK, Grotle M (2010)
Multidisciplinary and multifaceted outpatient management of patients with osteoarthritis: protocol for a randomised, controlled trial
BMC Musculoskelet Disord, 11, 253
DOI 10.1186/1471-2474-11-253, PubMed 21040556

Natvig B, Ihlebæk C, Grotle M, Brage S, Bruusgaard D (2010)
Neck pain is often a part of widespread pain and is associated with reduced functioning
Spine (Phila Pa 1976), 35 (23), E1285-9
DOI 10.1097/BRS.0b013e3181e38e73, PubMed 20938391

Paulsen T, Grotle M, Garratt A, Kjeken I (2010)
Development and psychometric testing of the patient-reported measure of activity performance of the hand (MAP-Hand) in rheumatoid arthritis
J Rehabil Med, 42 (7), 636-44
DOI 10.2340/16501977-0577, PubMed 20603693

Werner EL, Storheim K, Løchting I, Grotle M (2010)
The COPE LBP trial: cognitive patient education for low back pain--a cluster randomized controlled trial in primary care
BMC Musculoskelet Disord, 11, 33
DOI 10.1186/1471-2474-11-33, PubMed 20158897

Publications 2009

Engebretsen K, Grotle M, Bautz-Holter E, Sandvik L, Juel NG, Ekeberg OM, Brox JI (2009)
Radial extracorporeal shockwave treatment compared with supervised exercises in patients with subacromial pain syndrome: single blind randomised study
BMJ, 339, b3360
DOI 10.1136/bmj.b3360, PubMed 19755551

Grotle M, Garratt A, Løchting I, Kjeken I, Klokkerud M, Uhlig T, Hagen KB (2009)
Development of the rehabilitation patient experiences questionnaire: data quality, reliability and validity in patients with rheumatic diseases
J Rehabil Med, 41 (7), 576-81
DOI 10.2340/16501977-0375, PubMed 19543670

Grøvle L, Haugen AJ, Keller A, Natvig B, Brox JI, Grotle M (2009)
The bothersomeness of sciatica: patients' self-report of paresthesia, weakness and leg pain
Eur Spine J, 19 (2), 263-9
DOI 10.1007/s00586-009-1042-5, PubMed 19488793

Hagen KB, Smedslund G, Moe RH, Grotle M, Kjeken I, Kvien TK (2009)
The evidence for non-pharmacological therapy of hand and hip OA
Nat Rev Rheumatol, 5 (9), 517-9
DOI 10.1038/nrrheum.2009.158, PubMed 19710674

Løchting I, Garratt AM, Kjeken I, Klokkerud M, Hagen KB, Grotle M (2009)
Patient experiences of rehabilitation in rheumatology: association with process and outcome
Scand J Rheumatol, 38 (5), 357-61
DOI 10.1080/03009740902971213, PubMed 19585381

Maher CG, Grotle M (2009)
Evaluation of the predictive validity of the Orebro Musculoskeletal Pain Screening Questionnaire
Clin J Pain, 25 (8), 666-70
DOI 10.1097/AJP.0b013e3181a08732, PubMed 19920715

Publications 2008

Brox JI, Storheim K, Grotle M, Tveito TH, Indahl A, Eriksen HR (2008)
Evidence-informed management of chronic low back pain with back schools, brief education, and fear-avoidance training
Spine J, 8 (1), 28-39
DOI 10.1016/j.spinee.2007.10.008, PubMed 18164451

Dahl FA, Grotle M, Saltyte Benth J, Natvig B (2008)
Data splitting as a countermeasure against hypothesis fishing: with a case study of predictors for low back pain
Eur J Epidemiol, 23 (4), 237-42
DOI 10.1007/s10654-008-9230-x, PubMed 18288577

Frihagen F, Grotle M, Madsen JE, Wyller TB, Mowinckel P, Nordsletten L (2008)
Outcome after femoral neck fractures: a comparison of Harris Hip Score, Eq-5d and Barthel Index
Injury, 39 (10), 1147-56
DOI 10.1016/j.injury.2008.03.027, PubMed 18656868

Grotle M, Hagen KB, Natvig B, Dahl FA, Kvien TK (2008)
Prevalence and burden of osteoarthritis: results from a population survey in Norway
J Rheumatol, 35 (4), 677-84
PubMed 18278832

Grotle M, Hagen KB, Natvig B, Dahl FA, Kvien TK (2008)
Obesity and osteoarthritis in knee, hip and/or hand: an epidemiological study in the general population with 10 years follow-up
BMC Musculoskelet Disord, 9, 132
DOI 10.1186/1471-2474-9-132, PubMed 18831740

Grøvle L, Haugen AJ, Keller A, Natvig B, Brox JI, Grotle M (2008)
Reliability, validity, and responsiveness of the Norwegian versions of the Maine-Seattle Back Questionnaire and the Sciatica Bothersomeness and Frequency Indices
Spine (Phila Pa 1976), 33 (21), 2347-53
DOI 10.1097/BRS.0b013e31818047d6, PubMed 18827701

Haugen AJ, Grøvle L, Keller A, Grotle M (2008)
Cross-cultural adaptation and validation of the Norwegian version of the Tampa scale for kinesiophobia
Spine (Phila Pa 1976), 33 (17), E595-601
DOI 10.1097/BRS.0b013e31817c6c4b, PubMed 18670327

Thornes E, Grotle M (2008)
Cross-cultural adaptation of the Norwegian version of the spinal stenosis measure
Eur Spine J, 17 (3), 456-462
DOI 10.1007/s00586-007-0576-7, PubMed 18193302

Publications 2007

Brox JI, Storheim K, Grotle M, Tveito TH, Indahl A, Eriksen HR (2007)
Systematic review of back schools, brief education, and fear-avoidance training for chronic low back pain
Spine J, 8 (6), 948-58
DOI 10.1016/j.spinee.2007.07.389, PubMed 18024224

Storheim K, Grotle M (2007)
Combination of exercise and advice was slightly better than placebo for subacute low back pain
Aust J Physiother, 53 (4), 286
DOI 10.1016/s0004-9514(07)70012-0, PubMed 18246633

Aas RW, Grotle M (2007)
Clients using community occupational therapy services: sociodemographic factors and the occurrence of diseases and disabilities
Scand J Occup Ther, 14 (3), 150-9
DOI 10.1080/11038120600968811, PubMed 17763197

Publications 2006

Grotle M, Brox JI, Glomsrød B, Lønn JH, Vøllestad NK (2006)
Prognostic factors in first-time care seekers due to acute low back pain
Eur J Pain, 11 (3), 290-8
DOI 10.1016/j.ejpain.2006.03.004, PubMed 16677837

Grotle M, Brox JI, Vøllestad NK (2006)
Reliability, validity and responsiveness of the fear-avoidance beliefs questionnaire: methodological aspects of the Norwegian version
J Rehabil Med, 38 (6), 346-53
DOI 10.1080/16501970600722403, PubMed 17067967

Grotle M, Vøllestad NK, Brox JI (2006)
Clinical course and impact of fear-avoidance beliefs in low back pain: prospective cohort study of acute and chronic low back pain: II
Spine (Phila Pa 1976), 31 (9), 1038-46
DOI 10.1097/01.brs.0000214878.01709.0e, PubMed 16641782

Grotle M, Vøllestad NK, Brox JI (2006)
Screening for yellow flags in first-time acute low back pain: reliability and validity of a Norwegian version of the Acute Low Back Pain Screening Questionnaire
Clin J Pain, 22 (5), 458-67
DOI 10.1097/01.ajp.0000208243.33498.cb, PubMed 16772801

Publications 2005

Grotle M, Brox JI, Veierød MB, Glomsrød B, Lønn JH, Vøllestad NK (2005)
Clinical course and prognostic factors in acute low back pain: patients consulting primary care for the first time
Spine (Phila Pa 1976), 30 (8), 976-82
DOI 10.1097/01.brs.0000158972.34102.6f, PubMed 15834343

Grotle M, Brox JI, Vollestad NK (2005)
To the editor - In response
SPINE, 30 (11), 1342
DOI 10.1097/01.brs.0000163888.19478.49

Publications 2004

Grotle M (2004)
Clinical course and prognostic factors in patients with low back pain and disability: a methodological and clinical study
In Series of dissertations submitted to the Faculty of Medicine, University of Oslo, Unipub, Oslo, no. 236, 1 b. (flere pag.)
BIBSYS 050029827, ISBN 82-8080-102-2

Grotle M, Brox JI, Vøllestad NK (2004)
Concurrent comparison of responsiveness in pain and functional status measurements used for patients with low back pain
Spine (Phila Pa 1976), 29 (21), E492-501
DOI 10.1097/01.brs.0000143664.02702.0b, PubMed 15507789

Grotle M, Vøllestad NK, Veierød MB, Brox JI (2004)
Fear-avoidance beliefs and distress in relation to disability in acute and chronic low back pain
Pain, 112 (3), 343-352
DOI 10.1016/j.pain.2004.09.020, PubMed 15561390

Publications 2003

Grotle M, Brox JI, Vøllestad NK (2003)
Cross-cultural adaptation of the Norwegian versions of the Roland-Morris Disability Questionnaire and the Oswestry Disability Index
J Rehabil Med, 35 (5), 241-7
DOI 10.1080/16501970306094, PubMed 14582557