Publikasjoner av norske kiropraktorer


Roseen EJ, McNaughton DT, Harrison S, Downie AS, Øverås CK, Nim CG, Jenkins HJ, Young JJ, Hartvigsen J, Stone KL, Ensrud KE, Lee S, Cawthon PM, Fink HA; Osteoporotic Fractures in Men (MrOS) research group. Association of back pain with all-cause and cause-specific mortality among older men: a cohort study. Pain Med. 2024 May 13:pnae040. doi: 10.1093/pm/pnae040. Epub ahead of print. PMID: 38741219.

Bergström C, Axén I, Field J, Hartvigsen J, van der Marck M, Newell D, Rubinstein S, de Zoete A, Persson M. The chiropractors’ dilemma in caring for older patients with musculoskeletal complaints: Collaborate, integrate, coexist, or separate? PLoS One. 2024 May 2;19(5):e0302519. doi: 10.1371/journal.pone.0302519. PMID: 38696495.

Gausel AM, Dalen I, Eklund A, Hoff Norvik A, Axén I. Exploring the outcome «days with bothersome pain» and its association with pain intensity, disability, and quality of life. Scand J Pain. 2024 Mar 6;24(1). doi: 10.1515/sjpain-2023-0049. PMID: 38447020.

Bjelkarøy MT, Simonsen TB, Siddiqui, TG, et alMortality and health-related quality of life in older adults with long-term use of opioids, z-hypnotics or benzodiazepines: a prospective observational study at 5 years follow-upBMJ Open 2024;14:e079347. doi: 10.1136/bmjopen-2023-079347.

Bjelkarøy MT, Simonsen TB, Siddiqui TG, Halset S, Cheng S, Grambaite R, Benth JŠ, Gerwing J, Kristoffersen ES, Lundqvist C. Brief Intervention as a Method to Reduce Z-Hypnotic Use by Older Adults: Feasibility Case Series. JMIR Form Res. 2024 Feb 8;8:e51862. doi: 10.2196/51862. PMID: 38329779.

Karlsson I, Sandman L, Axén I, Kwak L, Sernbo E, Björk Brämberg E. Ethical challenges from a problem-solving intervention with workplace involvement: a qualitative study among employees with common mental disorders, first-line managers, and rehabilitation coordinators. Int J Qual Stud Health Well-being. 2024 Dec;19(1):2308674. doi: 10.1080/17482631.2024.2308674. Epub 2024 Feb 7. PMID: 38324667.

Grøndahl LK, Axén I, Stensrud S, Hoekstra T, Vigdal ØN, Killingmo RM, Storheim K, Grotle M. 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. 2024 Jan 13;25(1):60. doi: 10.1186/s12891-024-07163-0. PMID: 38216905; PMCID: PMC10787445.


Bjelkarøy MT, Benth JŠ, Simonsen TB, Siddiqui TG, Cheng S, Kristoffersen ES, Lundqvist C. Measuring pain intensity in older adults. Can the visual analogue scale and the numeric rating scale be used interchangeably? Prog Neuropsychopharmacol Biol Psychiatry. 2024 Mar 2;130:110925. doi: 10.1016/j.pnpbp.2023.110925. Epub 2023 Dec 22. PMID: 38143014.

Fandim, J.V., Hinman, R.S., Øverås, C.K. et al. One step at a time. Shaping consensus on research priorities and terminology in telehealth in musculoskeletal pain: an international modified e-Delphi study. BMC Musculoskelet Disord 24, 783 (2023).

Archer L, Snell KIE, Stynes S, Axen I, Dunn KM, Foster NE, Wynne-Jones G, Windt DA, Hill JC. Development and External Validation of Individualized Prediction Models for Pain Intensity Outcomes in Patients with Neck Pain, Low Back Pain, or both  in Primary Care Settings. Phys Ther. 2023 Sep 26:pzad128.

Jenkins HJ, Downie A, Wong JJ, Young JJ, Roseen EJ, Nim CG, McNaughton D, Øveras CK, Hartvigsen J, Mior S, French SD. Patient and provider characteristics associated with therapeutic intervention selection in a chiropractic clinical encounter: a cross-sectional analysis of the COAST and O-COAST study data. Chiropr Man Therap. 2023 Sep 21;31(1):39.

Øverås CK, Nilsen TIL,  Søgaard K,  Mork PJ,  Hartvigsen J. Temporal stability in the prevalence and pattern of co-occurring musculoskeletal pain among people with persistent low back pain: population-based data from the Norwegian HUNT Study, 1995 to 2019. PAIN July 10, 2023. doi: 10.1097/j.pain.0000000000002981.

Myhrvold BL, Vøllestad NK, Irgens P, Robinson HS, Axén I.Clinical indicators for recommending continued care to patients with neck pain in chiropractic practice: a cohort study. Chiropr Man Therap. 2023 Aug 31;31(1):33. doi: 10.1186/s12998-023-00507-y. PMID: 37653398

McNaughton, D. T., Roseen, E. J., Downie, A., Jenkins, H., Øverås, C. K., Young, J. J., Fink, H. A., Stone, K. L., Cawthon, P., & Hartvigsen, J. (2023). Stressful life events and low back pain in older men: A cross-sectional and prospective analysis using data from the MrOS study. European Journal of Pain, 00, 1–10.

Aspinall, S.L., Nim, C.G., Harsted, S., Amy Miller, Cecilie K Øverås,et al. Presenters at chiropractic research conferences 2010–2019: is there a gender equity problem?. Chiropr Man Therap 31, 28 (2023).

Weiss, N., Skillgate, E. & Axén, I. Psychological distress and musculoskeletal pain in manual therapists during the second wave of the COVID-19 pandemic in Sweden: a cross-sectional study. Chiropr Man Therap 31, 34 (2023).

Øverås, Cecilie K.; Nilsen, Tom I. L; Søgaard, Karena,; Mork, Paul J.; Hartvigsen, Jan. Temporal stability in the prevalence and pattern of co-occurring musculoskeletal pain among people with persistent low back pain: population-based data from the Norwegian HUNT Study, 1995 to 2019. PAIN ():10.1097/j.pain.0000000000002981, July 10, 2023. | DOI: 10.1097/j.pain.0000000000002981

Myhrvold, B.L., Vikhaug, T.B., DuRose, A. et al. Evidence-based maintenance care among chiropractors in Norway: a cross-sectional survey in the Nordic maintenance care program. Chiropr Man Therap 31, 26 (2023).

Myhrvold, B.L., Axén, I., Leach, M.J., Sundberg, T., Gausel, A.M. Investigating attitudes, skills, and use of evidence-based practice among Norwegian chiropractors; a national cross-sectional study. BMC Health Serv Res 23, 385 (2023).

Karlsson I, Kwak L, Axén I, Bergström G, Bultman U, Holmgren K, Björk-Brämberg E. Experiences of participating in a problem-solving intervention withworkplace involvement in Swedish primary health care: a qualitative study from rehabilitation, coordinator’s, employee’s, and manager’s perspectives. BMC Public Health. 2023 May 24;23(1):940. doi: 10.1186/s12889-023- 15899-y. PMID: 37226167

Bakken, Anders Galaasen, Axén, Iben, Eklund, Andreas, Warnqvist, Anna and O’Neill, Søren. «Temporal stability and responsiveness of a conditioned pain modulation test: A secondary study of conservative treatment of neck pain patients» Scandinavian Journal of Pain, 2023.


Irgens P, Myhrvold BL, Kongsted A, Waagan K, Engebretsen KB, Vøllestad NK, Robinson HS. The clinical course of neck pain: Are trajectory patterns stable over a 1-year period? Eur J Pain. 2022 Feb;26(2):531-542. doi: 10.1002/ejp.1879.

Øverås, C.K., Nilsen, T.I.L., Nicholl, B.I. Rughani, G., Wood, K., Søgaard, K., Mair, F.S., Hartvigsen, J.. Multimorbidity and co-occurring musculoskeletal pain do not modify the effect of the SELFBACK app on low back pain-related disability. BMC Med 20, 53 (2022).

Ekstrand E, Brogårdh C, Axen I, Fänge AM, Stigmar K, Hansson EE. Perceived Consequences of Post-COVID-19 and Factors Associated with Low Life Satisfaction. Int J Environ Res Public Health. 2022;19(22):15309. Published 2022 Nov 19. doi:10.3390/ijerph192215309

Bakken AG, Eklund A, Warnqvist A, O’Neill S, Hallman DM, Axén I. Are changes in pain associated with changes in heart rate variability in patients treated for recurrent or persistent neck pain?. BMC Musculoskelet Disord. 2022;23(1):895. Published 2022 Oct 4. doi:10.1186/s12891-022-05842-4

Sannes AC, Christensen JO, Nielsen MB, Gjerstad J. Stress-induced headache in the general working population is moderated by the NRCAM rs2300043 genotype [published online ahead of print, 2022 Oct 3]. Scand J Pain. 2022;10.1515/sjpain-2022-0094. doi:10.1515/sjpain-2022-0094

Irgens P, Myhrvold BL, Kongsted A, Natvig B, Vøllestad NK, Robinson HS. Exploring visual pain trajectories in neck pain patients, using clinical course, SMS-based patterns, and patient characteristics: a cohort study. Chiropr Man Therap. 2022;30(1):37. Published 2022 Sep 8. doi:10.1186/s12998-022-00443-3

Axén I, Sennehed CP, Eek F, Stigmar K. Can a workplace dialogue impact the perceived influence of neck and/or backpain on everyday activities and performance at work? A secondary analysis from the randomized controlled trial WorkUp. BMC Musculoskelet Disord. 2022 Sep 15;23(1):861. doi: 10.1186/s12891-022-05812-w.

Siddiqui TG, Bjelkarøy MT, Cheng S, Kristoffersen ES, Grambaite R, Lundqvist C. The effect of cognitive function and central nervous system depressant use on mortality-A prospective observational study of previously hospitalised older patients. PLoS One. 2022 Mar 3;17(3):e0263024. doi: 10.1371/journal.pone.0263024. PMID: 35239678; PMCID: PMC8893618.

Olsen MB, Sannes A-C, Yang K, et al. Mapping of pituitary stress-induced gene regulation connects Nrcam to negative emotions. iScience. 2022/09/16/ 2022;25(9):104953. doi:

Myhrvold, B.L., Kongsted, A., Irgens, P. et al. The association between different outcome measures and prognostic factors in patients with neck pain: a cohort study. BMC Musculoskelet Disord 23, 673 (2022).

Eklund, A., Palmgren, P.J., Jakobsson, U., Axén, I. Development and evaluation of the MAINTAIN instrument, selecting patients suitable for secondary or tertiary preventive manual care: the Nordic maintenance care program. Chiropr Man Therap 30, 15 (2022).


Bjelkarøy MT, Cheng S, Siddiqui TG, Benth JŠ, Grambaite R, Kristoffersen ES, Lundqvist C. The association between pain and central nervous system depressing medication among hospitalised Norwegian older adults. Scand J Pain. 2021 Dec 16. doi: 10.1515/sjpain-2021-0120. Epub ahead of print. PMID: 34913326.

Galaasen Bakken, A., Eklund, A., Hallman, D.M., Axén, I. The effect of spinal manipulative therapy and home stretching exercises on heart rate variability in patients with persistent or recurrent neck pain: a randomized controlled trial. Chiropr Man Therap 29, 48 (2021).

Bakken A.G., Eklund A., Warnqvist A., O’Neill S., Axén I. The effect of two weeks of spinal manipulative therapy and home stretching exercises on pain and disability in patients with persistent or recurrent neck pain; a randomized controlled trial. BMC Musculoskeletal Disorders 2021;22(1):903.

Sannes, A., Christensen, J., Matre, D., Nielsen, M. & Gjerstad, J. (2021). Patterns of pain complaints and insomnia symptoms are associated with abusive supervision in the Norwegian working population: a latent class analysis. Scandinavian Journal of Pain, (), 000010151520210124.

Irgens, P.,Myhrvold, B. L., Kongsted, A., Waagan, K., Engebretsen, K. B., Vøllestad, N. K., & Robinson, H. S. (2021). The clinical course of neck pain: Are trajectory patterns stable over a 1-year period? European Journal of Pain, 00, 1– 12.

Sannes A-C, Risøy A, Christensen JO, Nielsen MB, Gjerstad J. Spinal pain in employees exposed to abusive supervision: Evidence of a sex and CRHR1 CTC haplotype interaction. Molecular Pain. January 2021. doi:10.1177/17448069211042123

Kvale G, Frisk B, Jürgensen M, Børtveit T, Ødegaard-Olsen ØT, Wilhelmsen-Langeland A, Aarli BB, Sandnes K, Rykken S, Haugstvedt A, Hystad SW, Søfteland E. Evaluation of a novel concentrated interdisciplinary group rehabilitation for patients with chronic illnesses: Protocol for a non-randomized clinical intervention study. JMIR Res Protoc. 2021 Sep 8. doi: 10.2196/32216. Epub ahead of print. PMID: 34505838.

Hjertstrand J, Palmgren PJ, Axén I, Eklund A. The nordic maintenance care program: patient experience of maintenance care-a qualitative study. Chiropr Man Therap. 2021 Aug 2;29(1):28. doi: 10.1186/s12998-021-00388-z. PMID: 34340692; PMCID: PMC8327445.

Sandal LF, Bach K, Øverås CK, Svendsen MJ, Dalager T, Stejnicher Drongstrup Jensen J, Kongsvold A, Nordstoga AL, Bardal EM, Ashikhmin I, Wood K, Rasmussen CDN, Stochkendahl MJ, Nicholl BI, Wiratunga N, Cooper K, Hartvigsen J, Kjær P, Sjøgaard G, Nilsen TIL, Mair FS, Søgaard K, Mork PJ. Effectiveness of App-Delivered, Tailored Self-management Support for Adults With Lower Back Pain-Related Disability: A selfBACK Randomized Clinical Trial. JAMA Intern Med. 2021 Aug 2:e214097. doi: 10.1001/jamainternmed.2021.4097. Epub ahead of print. PMID: 34338710; PMCID: PMC8329791.

Côté P, Hartvigsen J, Axén I, Leboeuf-Yde C, Corso M, Shearer H, Wong J, Marchand A-A, Cassidy JD, French S, Kawchuk GN, Mior S, Poulsen E, Srbely J, Ammendolia C, Blanchette M-A, Busse JW, Bussières A, Cancelliere C, Christensen HW, De Carvalho D, De Luca K, Du Rose A, Eklund A, Engel R, Goncalves G, Hebert J, Hincapié CA, Hondras M, Kimpton A, Lauridsen HH, Innes S, Meyer A-L, Newell D, O’Neill S, Pagé I, Passmore S, Perle SM, Quon J, Rezai M, Stupar M, Swain M, Vitiello A, Weber K, Young KJ, Yu H. The global summit on the efficacy and effectiveness of spinal manipulative therapy for the prevention and treatment of non-musculoskeletal disorders: a systematic review of the literature. Chiropractic & Manual Therapies 2021;29(1):8.

Aartun E, Axén I, Mior S, Røe Y, Hondras M, Kretz L, Côté P. Contextualizing the lived experiences of patients with low back pain from different countries according to the ICF framework. J Rehabil Med. 2021 Mar 29. doi: 10.2340/16501977-2819. Epub ahead of print. PMID: 33778896.

Sannes A-C, Christensen JO, Nielsen MB, Gjerstad J: The association between abusive supervision and anxiety in female employees is stronger in carriers of the CRHR1 TAT haplotype. Current Research in Behavioral Sciences 2021, 2:100021.

Christensen, J.O., Nielsen, M.B., Sannes, A.C., Gjerstad, J. (2021). Leadership Style, Headache, and Neck Pain: The Moderating Role of the Catechol-O-Methyltransferase (COMT) Genotype. J Occup Environ Med. 63(2):151-158. doi: 10.1097/JOM.0000000000002103. PMID: 33298758.

Axén, I., Brämberg, E.B., Bakken, A.G. & Kwak, L. (2021). Recruiting in intervention studies: challenges and solutions. BMJ Open 11, 1.

Øverås, C.K., Johansson, M.S., de Campos, T.F., Ferreira, M.L., Natvig, B., Mork, P.J. & Hartvigsen, J. (2021). Distribution and prevalence of musculoskeletal pain co-occurring with persistent low back pain: a systematic review. BMC Musculoskelet Disord 22, 91.


Axén, I., Bergström, C., Bronson, M., Côté, P., Nim, C. G., Goncalves, G., Hébert, J. J., Hertel, J. A., Innes, S., Larsen, O. K., Meyer, A. L., O`Neill, S.,  Perle, S. M., Weber II, S. M., Young, K. J. & Leboeuf-Yde, C. (2020). Misinformation, chiropractic, and the COVID-19 pandemic. Chiropr Man Therap 28, 65.

Nicol, R., Yu, H., Selb, M., Prodinger, B., Hartvigsen, J. & Côté, P. How does the measurement of disability in low back pain map unto the International Classification of Functioning, Disability and Health (ICF)? A scoping review of the manual medicine literature. Am J Phys Med Rehabil. 2020 Nov 2. doi: 10.1097/PHM.0000000000001636. Epub ahead of print. PMID: 33141774.

Irgens, P., Kongsted, A., Myhrvold, B. L., Waagan, K., Engebretsen, K. B., Natvig, B., Vøllestad, N. K. and Robinson, H. S. Neck pain patterns and subgrouping based on weekly SMS-derived trajectories. BMC Musculoskeletal Disorders, 21, 678 (2020).

Myhrvold, B. L., Irgens, P., Robinson, H. S., Engebretsen, K., Natvig, B., Kongsted, A. and Vøllestad, N. K. Visual trajectory pattern as prognostic factors for neck pain. European Journal of Pain, 04 Aug 2020.

Arapovic-Johansson, B., Wåhlin, C., Hagberg, J., Kwak, L., Axén, I., Björklund, C. and Jensen, I. Experience of Stress Assessed by Text Messages and Its Association with Objective Workload-A Longitudinal Study.  Jan 21;17(3).Int J Environ Res Public Health. 2020.

Axén, I, Björk, B, E., Vaez, M., Lundin, A. and Bergström, G. 2020. Interventions for common mental disorders in the occupational health service: a systematic review with a narrative synthesis.Int Arch Occup Environ Health. 2020 Apr 3.

Axén, I., Jensen, J., Butler, FE., Grahn, B., Jørgensen, V., Opava, CH. and Bodin, L.Frequently Repeated Measurements -Our Experience of Collecting Data With SMS. BMC Med Res Mathodol 2020. May 19;20(1):124. doi: 10.1186/s12874-020-01013-y. 

Eklund, A., Hagberg, J., Jensen, I., Leboeuf-Yde, C., Kongsted, A., Lövgren, P,, Jonsson, M., Petersen-Klingberg, J., Calvert, C. and Axén I. 2020. The Nordic maintenance care program: maintanance care reduces the number of days with pain in acute episodes and increases the length of pain free periods for dysfunctional patients with recurrent and persistent low back pain – a secondary analysis of a pragmatic randomizes controlled trial. Chiropr Man Therap. 2020 Apr 21;28(1):19. doi: 10.1186/s12998-020-00309-6.

Gausel, AM., Malmqvist, S., Andersen, K., Kjærmann, I., Larsen, JP., Dalen, I. And Økland, I. 2020. Subjective recovery from pregnancy-related pelvic girdle pain the first 6 weeks after delivery: a prospective longitudinal cohort study. Eur Spine J. 2020 Jan 16. doi: 10.1007/s00586-020-06288-9.

Meisingset, I.,  Vasseljen, O., Vøllestad, N. K., Robinson, H. S., Woodhouse, A., Engebretsen, K. B., Glette, M., Øverås, C. K., Nordstoga, A. L.,  Evensen, K. A. I., Skarpsno, E. S. (2020). Novel approach towards musculoskeletal phenotypes. European Journal of Pain.

Jenks, AD., Hoekstra, T., Axén, I., de Luca, K., Field, J., Newell, D., Hartvigsen, J., French, SD., Koes, B., Van, T. And Rubinstein, SM. 2020 Back complaints in the elders – chiropractic (BACE-C): protocol of an international cohort study of older adults with low back pain seeking chiropractic care. Chiropr Man Therap. 2020 Apr 1;28(1):1 

Sandal, LF., Øverås, CK., Nordstoga, AL., Wood, K., Bach, K., Hartvigsen, J.,  Søgaard, K. And Mork, PJ. A digital decision support system (selfBACK) for improved self-management of low back pain: a pilot study with 6-week follow-up. Pilot Feasibility Stud 6, 72 (2020).

Luedtke, K., Basener, A., Bedei, S., Castien, R., Chaibi, A., Falla, D., Fernández-de-Las-Peñas C., Gustafsson, M., Hall, T., Jull, G., Kropp, P., Madsen, BK., Schaefer, B., Seng, E., Steen,, C., Tuchin, P., von, Piekartz H, Wollesen, B. 2020. Outcome measures for assessing the effectiveness of non-pharmacological interventions in frequent episodic or chronic migraine: a Delphi study. BMJ Open. 2020 Feb 12;10(2):e029855. doi: 10.1136/bmjopen-2019-029855.

Sharli, Ann Esson., Pierre, Côté., Robert, Weaver., Ellen, Aartun. And Silvano, Mior. 2020. “I stay in bed, sometimes all day.” A qualitative study exploring lived experiences of persons with disabling low back pain. J Can Chiropr Assoc 2020; 64(1)

Øverås, CK., Villumsen, M., Axén, I., Cabrita, M., Leboeuf-Yde, C., Hartvigsen, J. And Mork, PJ. 2020. Association between objectively measured physical behaviour and neck- And/or low back pain: A systematic review. Eur J Pain. 2020 Feb 24. doi: 10.1002/ejp.1551. [Epub ahead of print]


Axen, I., Hestbaek, L. and Leboeuf-Yde, C. 2019. Chiropractic maintenance care – what`s new? A systematic review of the literature. Chiropractic & Manual Therapies 2019 27:63

Augustovičová, D., Lystad, R.P. and Arriaza, R. (2019). Time-Loss Injuries in Karate: A Prospective Cohort Study of 4 Consecutive World Karate Championships. Orthopaedic Journal of Sports Medicine, [online] 7(8), p.232596711986586. Available at: [Accessed 31 Oct. 2019].

Chaibi, A. & Russell, M.B., 2019. A risk–benefit assessment strategy to exclude cervical artery dissection in spinal manual-therapy: a comprehensive review. Annals of Medicine 

Čierna, D., Štefanovský, M., Matejová, L. and Lystad, R.P. (2017). Epidemiology of Competition Injuries in Elite European Judo Athletes: A Prospective Cohort Study. Clinical journal of sport medicine : official journal of the Canadian Academy of Sport Medicine, [online] p.10.1097/JSM.0000000000000526. Available at: [Accessed 31 Oct. 2019].

Eklund, A., Jensen, I., Leboeuf-Yde, C., Kongsted, A., Jonsson, M., Lövgren, P., Petersen-Klingberg, J., Calvert, C. and Axén, I. (2019). The Nordic Maintenance Care Program: Does psychological profile modify the treatment effect of a preventive manual therapy intervention? A secondary analysis of a pragmatic randomized controlled trial. PloS one, [online] 14(10), p.e0223349. Available at: [Accessed 31 Oct. 2019].

Galaasen Bakken, A., Axén, I., Eklund, A. and O’Neill, S. (2019). The effect of spinal manipulative therapy on heart rate variability and pain in patients with chronic neck pain: a randomized controlled trial. Trials, 20(1).

Lothe, L.R., Raven, T.J.L., Sandbæk, G. and Eken, T. (2019). Single-motor-unit discharge characteristics in lumbar multifidus muscle of acute low back pain patients. Journal of Neurophysiology.

Mitchell, R., Cameron, C.M., Lystad, R.P., Nielssen, O., McMaugh, A., Herkes, G., Schniering, C. and Hng, T.-M. (2019). Impact of chronic health conditions and injury on school performance and health outcomes in New South Wales, Australia: a retrospective record linkage study protocol. BMJ Paediatrics Open, [online] 3(1), p.e000530. Available at: [Accessed 31 Oct. 2019].

Mitchell, R., Fajardo Pulido, D., Ryder, T., Norton, G., Brodaty, H., Draper, B., Close, J., Rapport, F., Lystad, R., Harris, I., Harvey, L., Sherrington, C., Cameron, I.D. and Braithwaite, J. (2019). Access to rehabilitation services for older adults living with dementia or in a residential aged care facility following a hip fracture: healthcare professionals’ views. Disability and rehabilitation, [online] pp.1–12. Available at: [Accessed 31 Oct. 2019].

Mitchell, R., Faris, M., Lystad, R., Fajardo Pulido, D., Norton, G., Baysari, M., Clay-Williams, R., Hibbert, P., Carson-Stevens, A. and Hughes, C. (2020). Using the WHO International Classification of patient safety framework to identify incident characteristics and contributing factors for medical or surgical complication deaths. Applied Ergonomics, 82, p.102920.

Myhrvold, BL., Kongsted, A., Irgens, P., Robinson HS., Thoresen, M. and Vøllestad AK. (2020). Broad External Validation and Update of a Prediction Model for Persistent Neck Pain After 12 Weeks. The Spine Journal, 15;44(22):E1298-E1310. 

Pico-Espinosa, O.J., Côté, P., Hogg-Johnson, S., Jensen, I., Axén, I., Holm, L.W. and Skillgate, E. (2019). Trajectories of Pain Intensity Over 1 Year in Adults With Disabling Subacute or Chronic Neck Pain. The Clinical Journal of Pain, [online] 35(8), pp.678–685. Available at: [Accessed 31 Oct. 2019].

Sandal, LF., Stochkendahl, MJ., Svendsen, MJ., Wood, K., Øverås, CK., Nordstoga. AL., Villumsen, M., Rasmussen, CDN., Nicholl B., Cooper, K., Kjaer, P., Mair, FS., Sjøgaard, G., Nilsen, TIL., Hartvigsen, J., Bach, K., Mork, PJ. And Søgaard, K. An app-delivered self-management program for people with low back pain: a protocol for the selfBACK randomised controlled trial. JMIR Res Protoc 2019;8(12):e14720. DOI: 10.2196/14720.

Stochkendahl, M.J., Glissmann Nim, C., Boyle, E., Larsen, O.K., Axèn, I., Kvammen, O.C. and Myburgh, C., 2019. Managing sickness absence of patients with musculoskeletal pain – a cross-sectional survey of Scandinavian chiropractors. Chiropractic & Manual Therapies2019 27:1.

Wirth, B., Gassner, A., de Bruin, E.D., Axén, I., Swanenburg, J., Humphreys, B.K. and Schweinhardt, P. (2019). Neurophysiological Effects of High Velocity and Low Amplitude Spinal Manipulation in Symptomatic and Asymptomatic Humans: A Systematic Literature Review. Spine, [online] 44(15), pp.E914–E926. Available at: [Accessed 31 Oct. 2019].


Andersen, K., Baardsen, R., Dalen, I. & Larsen, J.P. (2018) Long-term effects of exercise programs among helicopter pilots with flying related LBP. Journal of Back and Musculoskeletal Rehabilitation, 31, no. 1, pp. 1-13, 2018 DOI: 10.3233/BMR-170897 

Batley, S., Aartun, E., Boyle, E., Hartvigsen, J., Stern, P.J. & Hestbæk, L., 2018. The association between psychological and social factors and spinal pain in adolescents. Eur. J. Pediatr. . doi: 10.1007/s00431-018-3291-y. [Epub ahead of print]

Eklund, A., Jensen, I., Lohela-Karlsson, M., Hagberg, J., Leboeuf-Yde, C., Kongsted, Bodin, L. & Axén, I., (2018). The Nordic Maintenance Care program: Effectiveness of chiropractic maintenance care versus symptom-guided treatment for recurrent and persistent low back pain—A pragmatic randomized controlled trial. PLos One13(9): e0203029.

Haldeman, S., Johnson, C.D., Chou, R., Nordin, M., Côté, P., Hurwitz, E.L., Green, B.N., Kopansky- Giles, D., Cedraschi, C., Aartun, E., (2018). The Global Spine Care Initiative: classification system for spine-related concerns. Eur Spine J. 2018 Aug 27. doi: 10.1007/s00586-018-5724-8. [Epub ahead of print]

Haldeman, S., Nordin, M., Chou, R., Côté, P., Hurwitz, E.L., Johnson, C.D., Randhawa, K., Green, B.N., Kopansky-Giles, D., Acaroğlu, E., Ameis, A., Cedraschi, C., Aartun, E., (2018). The Global Spine Care Initiative: World Spine Care executive summary on reducing spine- related disability in low- and middle-income communities. Eur Spine J. doi: 10.1007/s00586-018-5722-x. [Epub ahead of print]

Herlin, C., Kjaer, P., Espeland, A., Skouen, J.S., Leboeuf-Yde, Karppinen, J., Niinimäki, J., Sørensen, J.S., Storheim, K. & Jensen, T.S., (2018). Modic changes—Their associations with low back pain and activity limitation: A systematic literature review and meta-analysis.PLoS One, 13(8):e0200677. doi: 10.1371/journal.pone.0200677. eCollection 2018 

Johnson, C.D., Haldeman, S., Chou, R., Nordin, M., Green, B.N., Côté, P., Hurwitz, E.L., Kopansky- Giles, D., Acaroğlu, E., Cedraschi, C., Ameis, A., Randhawa, K., Aartun, E. The Global Spine Care Initiative: model of care and implementation. Eur Spine J. 2018 Aug 27. doi: 10.1007/s00586-018-5720-z. [Epub ahead of print]

Johnson, C.D., Haldeman, S., Nordin, M., Chou, R., Côté, P., Hurwitz, E.L., Green, B.N., Kopansky- Giles, D., Randhawa, K., Cedraschi, C., Ameis, A., Acaroğlu, E., Aartun, E., et. al. (2018). The Global Spine Care Initiative: methodology, contributors, and disclosures. Eur Spine J. 2018 Aug 27. doi: 10.1007/s00586-018-5723-9. [Epub ahead of print]

Maiers, M., Agaoglu, M., Brown, R., Cassirer, C., DaSilva, K, Lystad, R.P., Mohammad, S., Wong, J.J. (2018). Chiropractic in global health and wellbeing: A white paper describing the public health agenda of the World Federation of Chiropractic. Chiropr Man Therap 26: 26.

Malmqvist, S., Kjaermann, I., Andersen, K., Gausel AM., Økland, I., Larsen, J. P., & Brønnick, K. (2018). Can a bothersome course of pelvic pain from mid-pregnancy to birth be predicted? A Norwegian prospective longitudinal SMS-Track study. BMJ Open 2018;8:e021378. doi: 10.1136/bmjopen-2017-021378

Raven T.J.L., Lothe,. L.R., Sandbæk G & Eken T.(2018). Precision implantation with positional confirmation of fine-wire EMG electrodes in the deep posterior neck muscles. J Electromyogr Kinesiol.43:162–7. doi: 10.1016/j.jelekin.2018.10.001. [Epub ahead of print] 

Sannes, A.C., Chaibi, A. & McCarthy, P. (2018). More than meets the eye: Inattentional blindness. Int J Radiol Imaging Technol 4:037.

Sennehed, C.P., Holmberg, S., Axén, I., Stigmar, K., Forsbrand, M., Petersson, I.F. & Grahn, B., (2018). Early Workplace Dialogue in Physiotherapy Practice Improved Work Ability at One-Year Follow-Up – Workup a Randomised Controlled Trial in Primary Care.Pain159(8):1456-1464.

Stochkendahl, M.J., Larsen, O.K., Nim, C.G., Axén, I.m Haraldsson, J., Kvammen, O.C. & Myburgh, C. (2018). Can chiropractors contribute to work disability prevention through sickness absence management for musculoskeletal disorders? – a comparative qualitative case study in the Scandinavian context. Chiropr Man Therap 26:15.


Aboagye, E., Hagberg, J., Axén, I., Kwak, L., Lohela-Karlsson, M., Skillgate, E., Dahlgren, G. & Jensen I., (2017). Individual preferences for physical exercise as secondary prevention for non-specific low back pain: A discrete choice experiment.PLos One. PMID:  29244841

Andersen, K., Baardsen, R., Haga, H., Due, G., Dalen, I., et al. (2017) Transient Low Back Pain among Helicopter Pilots; Imaging and Lumbar Trunk Muscular Endurance. J Phys Med Rehabil Disabil 3: 021. DOI: 10.24966/PMRD-8670/100021 

Andersen, K., Baardsen, R., Dalen, I., & Larsen, J. P. (2017). Impact of exercise programs among helicopter pilots with transient LBP. BMC Musculoskeletal Disorders18(1), 269. 

Axén, I. & Follin, G. (2017). Medical yoga in the workplace setting−perceived stress and work ability−a feasibility study. Complementary Therapies in Medicine 30, 61-66. PMID: 28137528

Axén I., Kwak, L., Hagberg, J. & Jensen, I., (2017). Does physical activity buffer insomnia due to back and neck pain? PLoS One12(9):e0184288. doi: 10.1371/journal.pone.0184288. eCollection 2017.

Axén, I. & Leboeuf-Yde, C. (2017). «Typical” chiropractic patients– can they be described in terms of recovery patterns? Chiropractic & Manual Therapies25:23 PMID: 28804617 

Chaibi, A., Knackstedt, H., Tuchin, P. & Russell, M.B. (2017). Chiropractic spinal manipulative therapy for cervicogenic headache: A single blinded, randomized, placebo-controlled study. BMC Research Notes 10:310.

Chaibi, A., Šaltytė Benth, J., Tuchin, P. & Russell, M.B. (2017). Adverse events in a chiropractic spinal manipulative therapy single-blinded placebo randomized controlled trial for migraineurs. Musculoskelet Sci Pract 29:66-71. 

Chaibi, A., Šaltytė Benth, J., Tuchin, P. & Russell, M.B. (2017). Chiropractic spinal manipulative therapy for migraine: A single blinded, randomized, placebo-controlled clinical trial. Eur J Neurol. 24:143-153.

Gausel, A.M., Kjaermann, I., Malmqvist, S., Andersen, K., Dalen, I., Larsen, J.P. & Oekland, I., (2017). Chiropractic management of dominating one-sided pelvic girdle pain in pregnant women; a randomized controlled trial. BMC Pregnancy Childbirth7(1):331.

Gorrell, L.M., Brown, B., Lystad, R.P. & Engel, R.M. (2017). Predictive factors for reporting adverse events following spinal manipulation in randomized clinical trials: Secondary analysis of a systematic review. Musculoskelet Sci Pract 30: 34–41.

Gorrell, L.M., Engel, R.M., Lystad, R.P. & Brown, B.(2017). Assignment of adverse event indexing terms in randomized clinical trials involving spinal manipulative therapy: An audit of records in MEDLINE and EMBASE databases. BMC Med Res Methodol 17: 41.

Newell, D., Lothe, L.R. & Raven, T.J., (2017). Contextually Aided Recovery (CARe): a scientific theory for innate healing. Chiropr Man Therap. 2017 Feb 13;25:6. doi: 10.1186/s12998-017-0137-z.

Overaas, C. K., Johansson, M. S., de Campos, T. F., Ferreira, M. L., Natvig, B., Mork, P. J., & Hartvigsen, J. (2017). Prevalence and pattern of co-occurring musculoskeletal pain and its association with back-related disability among people with persistent low back pain: protocol for a systematic review and meta-analysis. Systematic reviews, 6(1), 258. doi:10.1186/s13643-017-0656-7

Øverås, C. K., Myhrvold, B. L., Røsok, G., & Magnesen, E. (2017). Musculoskeletal diagnostic ultrasound imaging for thickness measurement of four principal muscles of the cervical spine -a reliability and agreement study. Chiropractic & manual therapies, 25, 2. doi:10.1186/s12998-016-0132-9


Aartun, E., Hartvigsen, J., Boyle, E. & Hestbaek, L. (2016).  No associations between objectively measured physical activity and spinal pain in 11-15-year-old Danes.
Eur J Pain 20(3):447-57. doi: 10.1002/ejp.746.

Aartun, E., Boyle, E., Hartvigsen, J., Ferreira, P.H., Maher, C.G., Ferreira, M.L., Hestbaek, L. (2016). The most physically active Danish adolescents are at increased risk for developing spinal pain: a two-year prospective cohort study. BMJ Open Sport Exerc Med. 2016;2:e000097. doi:10.1136/bmjsem-2015-000097.

Aartun, E., Hartvigsen, J. & Hestbaek, L. (2016). Diagnostic and predictive values of clinical tests commonly used in examination of the adolescent spine. J Manipulative Physiol Ther. 2016 Feb 17.

Aboagye, E., Jensen, I., Bergström, G., Hagberg, J., Axén, I. & Lohela-Karlsson, M. (2016).  Validity and test-retest reliability of an at-work production loss instrument, Occup Med (Lond) 66(5):377-82.

Allen-Unhammer, A., Wilson, F.J.H. & Hestbaek, L. (2016). Children and adolescents presenting to chiropractors in Norway: National Health Insurance data and a detailed survey. Chiropr Man Therap 24:29. 

Axén, I. & Bodin, L. (2016). Searching for the optimal measuring frequency in longitudinal studies – an example utilizing short message service (SMS) to collect repeated measures among patients with low back pain. BMC Medical Research Methodology16:119.

Eklund, A., Bergström, G., Bodin, L. & Axén, I. (2016). Do psychological and behavioral factors classified by the West Haven-Yale Multidimensional Pain Inventory (Swedish version) predict the early clinical course of low back pain in patients receiving chiropractic care? BMC Musculoskeletal Disorders201617:75

Eklund, A., Jensen, I., Lohela-Karlsson, M., Leboeuf-Yde, C. & Axén, I. (2016). Absence of low back pain to demarcate an episode: a prospective multicentre study in primary care. BMC Chiropractic & Manual Therapies 24:3

Gausel, A.M., Kjærmann, I., Malmqvist, S., Dalen, I., Larsen, J.P. & Økland, I.(2016). Pelvic girdle pain 3-6 months after delivery in an unselected cohort of Norwegian women. European Spine J 25(6):1953-9.

Gorrell, L.M., Engel, R.M., Brown, B. & Lystad, R.P. (2016). The reporting of adverse events following spinal manipulation in randomized clinical trials: A systematic review. Spine J 2016; 16(9): 1143–1151.

Jevne, J. (2016). Where is the care in healthcare? How health systems are feeding their own negative spiral of cost and disability. Br J Sports Med 50(13): p. 774-5.

Jevne, J. (2016). Stabbed in the back: catalysts for a paradigm shift in back pain care. Br J Sports Med, 50(4): p. 198-9.

Kongsted, A., Kent, P., Axén, I., Downie, A.S. & Dunn, K.M. (2016). What have we learned from ten years of trajectory research in low back pain? BMC Musculoskelet Disord17(1):220.

Luedtke, K., Boissonnault, W., Caspersen, N., Castien, R., Chaibi, A., International consensus on the most useful physical examination tests used by physiotherapists for patients with headache: A Delphi study. Man Ther. 23:17-24.


Andersen, K., Baardsen, R., Dalen, I., & Larsen, J. P. (2015). Recurrent and Transient Spinal Pain Among Commercial Helicopter Pilots. Aerospace medicine and human performance86(11), 962-969.

Axén, I. (2015).Pain-related sleep disturbance – A prospective study with repeated measures. Clin J Pain32(3):254-9.

Chaibi, A., Šaltytė Benth, J., Tuchin, P. & Russell, M.B. (2015). Chiropractic spinal manipulative therapy for cervicogenic headache: A study protocol of a single-blinded placebo-controlled randomized clinical trial. SpringerPlus 4:779.

Chaibi, A., Šaltytė Benth, J., Tuchin, P. & Russell, M.B. (2015). Chiropractic spinal manipulative therapy for migraine: A study protocol of a single-blinded placebo-controlled randomized clinical trial. BMJ Open 5(11).

Chaibi, A., Šaltytė Benth, J. & Russell, M.B. (2015). Validation of placebo in a manual therapy randomized controlled trial. Sci Rep 5:11774.

Eklund, A., Bergström, G., Bodin, L. & Axén, I. (2015). Psychological and behavioral differences between low back pain populations: a comparative analysis of chiropractic, primary and secondary care patients. BMC Musculoskeletal Disorders16:306

Jevne, J. (2015). The sexy scalpel: unnecessary shoulder surgery on the rise. Br J Sports Med 49(16): p. 1031-2.

Kongsted, A., Davies, L. & Axén, I. (2015).Low back pain patients in Sweden, Denmark and the UK share similar characteristics and outcomes. A cross-national comparison of cohorts. BMC Musculoskeletal Disorders16(1).

Lothe, L.R., Raven, T.J. & Eken, T., (2015). Single-motor-unit discharge characteristics in human lumbar multifidus muscle. J Neurophysiol114(2):1286-97. doi: 10.1152/jn.00010.2014.

Malmqvist, S., Kjaermann, I., Andersen, K., Økland, I., Larsen, J. P., & Brønnick, K. (2015). The association between pelvic girdle pain and sick leave during pregnancy; a retrospective study of a Norwegian population. BMC pregnancy and childbirth, 15(1), 1.


Aartun, E., Hartvigsen, J., Wedderkopp, N. and Hestbaek, L. (2014). Spinal pain in adolescents: prevalence, incidence, and course: a school-based two-year prospective cohort study in 1,300 Danes aged 11-13. BMC Musculoskelet Disord 15:187. doi: 10.1186/1471-2474-15-187

Aartun, E., Degerfalk, A., Kentsdotter, L. & Hestbaek, L.(2014). Screening of the spine in adolescents: inter- and intra-rater reliability and measurement error of commonly used clinical tests. BMC Musculoskelet Disord 15:37. doi: 10.1186/1471-2474-15-37

Axén, I., Bergström, G. & Bodin, L. (2014).Using few and scattered time points for analysis of a variable course of pain can be misleading. An example using weekly text message data. The Spine Journal. 2014 Aug 1;14(8):1454-9.

Chaibi, A. & Russell, M.B. (2014). Manual therapies for primary chronic headaches: a systematic review of randomized controlled trials.J Headache Pain 15(1):67. doi: 10.1186/1129-2377-15-67.

Eklund, A., Axén, I., Kongsted, A., Lohela-Karlsson, M., Leboeuf-Yde, C., & Jensen, I. (2014). Prevention of low back pain: effect, cost-effectiveness, and cost-utility of maintenance care – study protocol for a randomized clinical trial.Trials 15(1):102

Engel, R.M., Brown, B.T., Swain, M.S. & Lystad, R.P. (2014). The provision of chiropractic, physiotherapy and osteopathic services within the Australian private health-care system: A report of recent trends. Chiropr Man Therap 2014; 22:3.

Jevne, J., Hartvigsen, J. & Christensen, H.W. (2014). Compensation claims for chiropractic in Denmark and Norway 2004-2012. Man Therap 22(1):37. doi: 10.1186/s12998-014-0037-4. 

Jevne, J. (2014). [Re: Chiropractic education in Norway now!]. Tidsskr Nor Laegeforen, 2014. 134(8): p. 812.

Kvammen, O. C. (2014). [Re: Chiropractic education in Norway now!]. Tidsskrift for Den Norske Lægeforening : Tidsskrift for Praktisk Medicin, Ny Række, 134(7), 691. doi:10.4045/tidsskr.14.0370

Kvammen, O. C. (2014). FORSIKRINGSRUTINER OG TAKSTER RAPPORT 2014. Norsk Kiropraktorforening (NKF) (pp. 1–29).

Kvammen, O. C. & Leboeuf-Yde, C. (2014). CHIROPRACTIC PROFESSION IN NORWAY 2011. Norwegian Chiropractors’ Association (NCA) (pp. 1–41).

Whillier, S., Lystad, R.P., Abi-Arrage, D., McPhie, C., Johnston, S., Williams, C. & Rice, M. (2014). The learning style preferences of chiropractic students: A cross-sectional study. J Chiropr Educ 28(1): 21–27.


Axén, I. & Bodin, L. (2013). The Nordic maintenance care program: the clinical use of identified indications for preventive care. Chiropractic & Manual Therapies, 21:10.

Axén, I. & Leboeuf-Yde, C. (2013). Conducting practice-based projects among chiropractors: a manual. Chiropr Man Therap 21(1):8.

Axén, I. & Leboeuf-Yde, C. (2013). Trajectories of low back pain. Best Practice & Research Clinical Rheumatology 27(5):601–612.

Irgens, P., Lothe, L. R., Kvammen, O. C., Field, J., & Newell, D. (2013). The psychometric profile of chiropractic patients in Norway and England: using and comparing the generic versions of the STarT Back 5-item screening tool and the Bournemouth Questionnaire. Chiropractic & Manual Therapies, 21(1), 41. doi:10.1186/2045-709X-21-41

Lothe, L.R., Bolton, J.E., (2013). Increasing research capacity in the chiropractic profession: A case study and evaluation of an innovative research program in Norway. J Chiropr Educ 27(1): 40-7. doi: 10.7899/JCE-12-016.

Tunset, A., Kjaer, P., Samir Chreiteh S. & Secher Jensen T. (2013). A method for quantitative measurement of lumbar intervertebral disc structures: an intra- and inter-rater agreement and reliability study. Chiropr Man Therap 21(1):26. doi: 10.1186/2045-709X-21-26.

Westin, D., Tandberg, T., John, C., Axén, I. (2013). GPs opinions and perceptions of chiropractic in Sweden and Norway: a descriptive survey. Chiropractic & Manual Therapies 21:29. 

Wilkens, P., Scheel, I.B., Grundnes, O., Hellum, C. & Storheim, K. (2013). Prognostic factors of prolonged disability in patients with chronic low back pain and lumbar degeneration in primary care – a cohort study. Spine (Phila Pa 1976) 38(1):65-74. doi: 10.1097/BRS.0b013e318263bb7b. 

Grotle, M., Wilkens, P., Garratt, A.M., Scheel, I.& Storheim, K. (2013). Which version of the Roland Morris Disability Questionnaire should we use? Results from a Rasch analysis of four different versions. J Rehabil Med. 2013 Jul;45(7):670-7. doi: 10.2340/16501977-1166.


Axén, I., Bodin, L., Bergstrom, G., Halasz, L., Lange, F., Lovgren, P.W., Rosenbaum, A.,  Leboeuf-Yde, C. & Jensen, I. (2012). The use of weekly text messaging over 6 months was a feasible method for monitoring the clinical course of low back pain in patients seeking chiropractic care. Journal of Clinical Epidemiology 65:454-461

Axén, I., Bodin, L., Kongsted, A., Wedderkopp, N., Jensen, I. and Bergström, G. (2012). Analyzing repeated data collected by mobile phones and frequent text messages. An example of low back pain measured weekly for 18 weeks. BMC Med Res Methodol 12(1):105

Bringsli, M., Berntzen, A., Olsen, D.B., Hestbæk, L.  & Leboef-Yde, C. (2012). The Nordic Maintenance Care Program: Maintenance care -what happens during the consultation? Observations and patient questionnaires. Chiropractic and Manual Therapies, 20-25. 

Chaibi, A. & Russell, M.B.(2012). Manual therapies for cervicogenic headache: a systematic review. J Headache Pain 13(5):351-9. doi: 10.1007/s10194-012-0436-7. 

Leboeuf-Yde, C., Jensen, R.K. & Axén, I. (2012). Absence of low back pain in patients followed weekly over one year with automated text messages. Chiropractic & Manual Therapies 20:9

Malmqvist, S., Kjaermann, I., Andersen, K., Økland, I., Brønnick, K., & Larsen, J. P. (2012). Prevalence of low back and pelvic pain during pregnancy in a Norwegian population. Journal of manipulative and physiological therapeutics, 35(4), 272-278.

Wilkens, P., Storheim, K., Scheel, I., Berg, L. & Espeland, A. (2012). No effect of 6-month intake of glucosamine sulfate on modic changes or high intensity zones in the lumbar spine: subgroup analysis of a randomized controlled trial. J Negat Results Biomed 11:13. doi: 10.1186/1477-5751-11-13.


Axén, I., Bodin, L., Bergstrom, G., Halasz, L., Lange, F., Lovgren, P.W.,Rosenbaum, A.,Leboeuf-Yde, C.& Jensen, I. Clustering patients on the basis of their individual course of low back pain over a six month period. BMC Musculoskeletal Disorders12:99

Chaibi A. & Tuchin P. 2011. Chiropractic spinal manipulative treatment of migraine headache of 40-year duration using Gonstead method: a case study. J Chiropr Med 10(3):189- 93.

Chaibi, A. & Tuchin, P.J. (2011). Chiropractic spinal manipulative treatment of cervicogenic dizziness using Gonstead method: a case study. J Chiropr Med 10(3):194-8. doi: 10.1016/j.jcm.2011.06.001. 

Chaibi, A., Tuchin, P.J. & Russell MB.(2011). Manual therapies for migraine: a systematic review.J Headache Pain 12(2):127-33. doi: 10.1007/s10194-011-0296-6. 

Gemmell, H. & Hilland, A. (2011). Immediate effect of electric point stimulation (TENS) in treating latent upper trapezius trigger points: a double blind randomised placebo-controlled trial. J Bodyw Mov Ther, 15(3):348-54.

Kvammen, O.C. & Leboeuf-Yde C. (2014). The chiropractic profession in Norway (2011).  Chiropr Man Therap 22(1):44. doi: 10.1186/s12998-014-0044-5. eCollection 2014.

Lemeunier, N., Kongsted, A. & Axén, I. (2011). Prevalence of pain-free weeks in chiropractic subjects with low back pain – a longitudinal study using data gathered with text messages BMC Chiropractic and Manual Therapies 2011, 19:28

Lystad, R.P., Bell, G., Bonnevie-Svendsen, M. & Carter, C.V. (2011). Manual therapy with and without vestibular rehabilitation for cervicogenic dizziness: A systematic review. Chiropr Man Therap 19: 21.


Wilkens, P., Scheel, I.B., Grundnes, O., Hellum, C. & Storheim K. (2010). Effect of glucosamine on pain-related disability in patients with chronic low back pain and degenerative lumbar osteoarthritis: A Randomized controlled trial. JAMA 304(1):45-52. doi: 10.1001/jama.2010.893.


Axén, I., Jensen, I.B., Eklund, A., Halasz, L., Jorgensen, K., Lange, F., Lovgren, P.W., Rosenbaum, A. & Leboeuf-Yde, C. (2009).The Nordic Maintenance Care Program: when do chiropractors recommend secondary and tertiary preventive care for low back pain?Chiropr Osteopat17(1):1.                                                                              

Leboeuf-Yde, C., Rosenbaum, A., Axén, I., Lovgren, P.W., Jorgensen, K.,Halasz, L., Eklund, A. & Wedderkopp, N. (2009).The Nordic Subpopulation Research Programme: prediction of treatment outcome in patients with low back pain treated by chiropractors – does the psychological profile matter? Chiropractic & Osteopathy2009, 17:14

Lystad, R.P. & Pollard, H. (2009). Functional neuroimaging: A brief overview and feasibility for use in chiropractic research. J Can Chiropr Assoc 53(1): 59–72.


Allen-Unhammer, A. & Gemmell, H. (2008). Relative immediate effect of ischaemic compression and activator trigger point therapy on active upper trapezius trigger points: A randomised trial. Clinical Chiropractic 11(4): 175-181.

Axén, I., Rosenbaum, A., Eklund, A.,Halasz, L., Jørgensen,K., Lövgren, P.W., Lange, F.& Leboeuf-Yde, C.(2008). The Nordic maintenance care program – case management of chiropractic patients with low back pain: A survey of Swedish chiropractors. Chiropractic & Osteopathy 16:6


Axén, I., Jones, J.J., Rosenbaum, A., Lövgren, P.W., Halasz, L., Larsen, K. & Leboeuf-Yde, C. (2005). The Nordic Back Pain Subpopulation Program: Validation and Improvement of a Predictive Model for Treatment Outcome in Patients With Low Back Pain Receiving Chiropractic Treatment. Journal of Manipulative and Physiological Therapeutics 28:6:381-385

Axén, I., Rosenbaum, A., Röbech, R., Larsen, K. & Leboeuf-Yde, C. (2005). The Nordic Back Pain Subpopulation Program; Can Patient reactions to the First Chiropractic Treatment Predict Early Favorable Treatment Outcome in Nonpersistent Low Back pain? Journal of Manipulative and Physiological  Therapeutics 28:3:153-158

Leboeuf-Yde, C., Axén, I.,Jones, J.J., Rosenbaum, A., Lövgren, P.W., Halasz, L., Larsen, K.(2005). The Nordic Back Pain Subpopulation Program: The Long-Term Outcome Patterns in Patients with Low Back Pain Treated by Chiropractors in Sweden. Journal of Manipulative and Physiological Therapeutics 28:7:472-478.

Leboeuf-Yde, C., Grønstvedt, A., Borge, J.A., Lothe, J., Magnesen, E.Nilsson, Ø., Røsok, G., Stig, L.C. & Larsen, K. (2005). The Nordic back pain subpopulation program: a 1-year prospective multicenter study of outcomes of persistent low-back pain in chiropractic patients. J Manipulative Physiol Ther 2:90-6.


Leboeuf-Yde, C., Grønstvedt, A., Borge, J.A., Lothe, J., Magnesen, E., Nilsson, Ø., Røsok, G., Stig, L.C. & Larsen, K. (2004). The nordic back pain subpopulation program: demographic and clinical predictors for outcome in patients receiving chiropractic treatment for persistent low back pain. J Manipulative Physiol Ther 8:493-502.


Axén, I., Rosenbaum, A., Röbech, R., Wren, T. & Leboeuf-Yde, C. (2002). Can Patient Reactions to the First Chiropractic Treatment Predict Early Favorable Treatment Outcome in Persistent Low Back Pain? Journal of Manipulative and Physiological Therapeutics 25:7:450-454

Leboeuf-Yde, C., Axén, I., Ahlefeldt, G., Lidefelt, P. & Thurnherr, T. (1999). The Types And Frequencies Of Improved Non-Musculo-Skeletal Symptoms Reported After Chiropractic Spinal Manipulative Therapy. Journal of Manipulative and Physiological Therapeutics 1999;22:9:559-565.


Olafsdottir, E., Forshei, S., Fluge, G. & Markestad, T., 2001. Randomised controlled trial of infantile colic treated with chiropractic spinal manipulation. Arch Dis Child. 84(2):138-41.


Kilvaer, A., Rasmussen, G., Soot, T. & Kalvenes, S. (1997). A comparison between referred and nonreferred patients in chiropractic practices in Norway. J Manipulative Physiol Ther 20(7): 448-53.

Senstad, O., Leboeuf-Yde, C. & Borchgrevink, C. (1997). Frequency and characteristics of side effects of spinal manipulative therapy. Spine (Phila Pa 1976) 22(4):435-40; discussion 440-1.


Senstad, O., Leboeuf-Yde, C. & Borchgrevink, C. (1996). Predictors of side effects to spinal manipulative therapy. J Manipulative Physiol Ther 7:441-5.

Senstad, O., Leboeuf-Yde, C. & Borchgrevink, C.F. (1996). Side-effects of chiropractic spinal manipulation: types frequency, discomfort and course. Scand J Prim Health Care 14(1):50-3.


Kilvaer, A., Rasmussen, G., Soot, T. & Kalvenes, S. Norwegian physicians and referral to chiropractors. Tidsskr Nor Laegeforen 112(23):2981-4.