Jull G, Falla D, Treleaven J, O’Leary S. Management of Neck Pain Disorders (1st Ed). Elsevier. Edinburgh, 2018


Jull G, Moore A, Falla D, Lewis J, McCarthy C, Sterling M. Grieve’s Modern Musculoskeletal Physiotherapy (4th Ed). Elsevier. Edinburgh, 2015


Jull G, Sterling M, Falla D, Treleaven J, O’Leary S. Whiplash, Headache and Neck Pain: Research Based Directions for Physical Therapies. Elsevier, Edinburgh, 2008


Recent International Peer Reviewed Articles

Arvanitidis M, Falla D, Martinez-Valdes E. Can visual feedback on upper trapezius high-density surface electromyography increase time to task failure of an endurance task? J Electromyogr Kinesiol. 2019 Oct 1;49:102361.

Martinez-Valdes E, Wilson F, Fleming N, McDonnell SJ, Horgan A, Falla D. Rowers with a recent history of low back pain engage different regions of the lumbar erector spinae during rowing. J Sci Med Sport. 2019 Nov;22(11):1206-1212. 

Boccia G, Martinez-Valdes E, Negro F, Rainoldi A, Falla D. Motor unit discharge rate and the estimated synaptic input to the vasti muscles is higher in open compared with closed kinetic chain exercise. J Appl Physiol (1985). 2019 Oct 1;127(4):950-958. 

Besomi M, Hodges PW, Van Dieën J, Carson RG, Clancy EA, Disselhorst-Klug C, Holobar A, Hug F, Kiernan MC, Lowery M, McGill K, Merletti R, Perreault E, Søgaard K, Tucker K, Besier T, Enoka R, Falla D, Farina D, Gandevia S, Rothwell JC, Vicenzino B, Wrigley T. Consensus for experimental design in electromyography (CEDE) project: Electrode selection matrix. J Electromyogr Kinesiol. 2019 Oct;48:128-144. 

Luque-Suarez A, Falla D, Morales-Asencio JM, Martinez-Calderon J. Is kinesiophobia and pain catastrophising at baseline associated with chronic pain and disability in whiplash-associated disorders? A systematic review. Br J Sports Med. 2019 Jun 19. pii: bjsports-2018-099569. 

Kuithan P, Heneghan NR, Rushton A, Sanderson A, Falla D. Lack of Exercise-Induced Hypoalgesia to Repetitive Back Movement in People with Chronic Low Back Pain. Pain Pract. 2019 Sep;19(7):740-750 Liew BXW, Scutari M, Peolsson A, Peterson G, Ludvigsson ML, Falla D.

Investigating the Causal Mechanisms of Symptom Recovery in Chronic Whiplash-associated Disorders Using Bayesian Networks. Clin J Pain. 2019 Aug;35(8):647-655.

Liew BXW, Ryan Yue Y, Cescon C, Barbero M, Falla D. Influence of experimental pain on the spatio-temporal activity of upper trapezius during dynamic lifting - An investigation using Bayesian spatio-temporal ANOVA. J Electromyogr Kinesiol. 2019 Oct;48:1-8.

Falla D, Jull G. Introduction to the special issue on concussion.  Musculoskelet Sci Pract. 2019 Jul;42:138-139.

Schneebeli A, Del Grande F, Falla D, Cescon C, Clijsen R, Barbero M. A novel application of strain sonoelastography can detect changes in Achilles tendon elasticity during isometric contractions of increasing intensity. J Foot Ankle Res. 2019 May 21;12:30

Del Vecchio A, Falla D, Felici F, Farina D. The relative strength of common synaptic input to motor neurons is not a determinant of the maximal rate of force development in humans. J Appl Physiol (1985). 2019 Jul 1;127(1):205-214.

Murillo C, Falla D, Rushton A, Sanderson A, Heneghan NR. Shear wave elastography investigation of multifidus stiffness in individuals with low back pain. J Electromyogr Kinesiol. 2019 Aug;47:19-24

Fernández-de-Las-Peñas C, de-la-Llave-Rincón AI, Cescon C, Barbero M, Arias-Buría JL, Falla D. Influence of Clinical, Psychological, and Psychophysical Variables on Long-term Treatment Outcomes in Carpal Tunnel Syndrome: Evidence From a Randomized Clinical Trial. Pain Pract. 2019 Jul;19(6):644-655

Middlebrook N, Rushton AB, Heneghan NR, Falla D. Measures of central sensitisation and their measurement properties in the adult musculoskeletal trauma population: a protocol for a systematic review and data synthesis. BMJ Open. 2019 Mar 23;9(3):e023204.

Navarro-Ledesma S, Struyf F, Falla D, Luque-Suarez A. Non-traumatic chronic shoulder pain is not associated with changes in rotator cuff interval tendon thickness. Clin Biomech (Bristol, Avon). 2019 Mar;63:147-152

Alsultan, F., Cescon, C., De Nunzio, A. M., Barbero, M., Heneghan, N. R., Rushton, A. & Falla, D. 2019. Variability of the helical axis during active cervical movements in people with chronic neck pain. Clinical Biomechanics, 62, 50-57.

Gizzi, L., Röhrle, O., Petzke, F. & Falla, D. 2019. People with low back pain show reduced movement complexity during their most active daily tasks. European Journal of Pain (United Kingdom), 23, 410-418.

Heneghan, N. R., Gormley, S., Hallam, C. & Rushton, A. 2019. Management of thoracic spine pain and dysfunction: A survey of clinical practice in the UK. Musculoskeletal Science and Practice, 39, 58-66.

Koulidis, K., Veremis, Y., Anderson, C. & Heneghan, N. R. 2019. Diagnostic accuracy of upper limb neurodynamic tests for the assessment of peripheral neuropathic pain: A systematic review. Musculoskeletal Science and Practice, 40, 21-33.

Navarro-Ledesma, S., Struyf, F., Falla, D. & Luque-Suarez, A. 2019. Non-traumatic chronic shoulder pain is not associated with changes in rotator cuff interval tendon thickness. Clinical Biomechanics, 63, 147-152.

Price, J., Rushton, A., Tyros, I. & Heneghan, N. R. 2019. Effectiveness and optimal dosage of resistance training for chronic non-specific neck pain: A protocol for a systematic review with a qualitative synthesis and meta-analysis. BMJ Open, 9.

Ris, I., Barbero, M., Falla, D., Larsen, M. H., Kraft, M. N., Søgaard, K. & Juul-Kristensen, B. 2019. Pain extent is more strongly associated with disability, psychological factors, and neck muscle function in people with non-traumatic versus traumatic chronic neck pain: a cross sectional study. European journal of physical and rehabilitation medicine, 55, 71-78.

Sanderson, A., Martinez-Valdes, E., Heneghan, N. R., Murillo, C., Rushton, A. & Falla, D. 2019. Variation in the spatial distribution of erector spinae activity during a lumbar endurance task in people with low back pain. Journal of Anatomy.

Schneebeli A., F. D., Del Grande F., Cescon C., Clijsen R., Barbero M. 2018. Evaluation of Achilles tendon stiffness during contraction using strain sonoelastography. Physiotherapy , Volume 105 , e189 - e190

Singh, G., Newton, C., O'sullivan, K., Soundy, A. & Heneghan, N. R. 2018. Exploring the lived experience and chronic low back pain beliefs of English-speaking Punjabi and white British people: A qualitative study within the NHS. BMJ Open, 8.

Sremakaew, M., Jull, G., Treleaven, J., Barbero, M., Falla, D. & Uthaikhup, S. 2018. Effects of local treatment with and without sensorimotor and balance exercise in individuals with neck pain: Protocol for a randomized controlled trial. BMC Musculoskeletal Disorders, 19.

Stow, R. E., Smith, C. H. & Rushton, A. B. 2018. Care home resident and staff perceptions of the acceptability of nutrition intervention trial procedures: A qualitative study embedded within a cluster randomised feasibility trial. BMJ Open, 8.

Surtees, J. E. & Heneghan, N. R. 2018. General group exercise in low back pain management in a military population, a comparison with specific spine group exercise: A service evaluation. Journal of the Royal Army Medical Corps.

Testa, M., Geri, T., Pitance, L., Lentz, P., Gizzi, L., Erlenwein, J., Petkze, F. & Falla, D. 2018. Alterations in jaw clenching force control in people with myogenic temporomandibular disorders. Journal of Electromyography and Kinesiology, 43, 111-117.

Thoomes, E. J., Van Geest, S., Van Der Windt, D. A., Falla, D., Verhagen, A. P., Koes, B. W., Thoomes-De Graaf, M., Kuijper, B., Scholten-Peeters, W. G. M. & Vleggeert-Lankamp, C. L. 2018. Value of physical tests in diagnosing cervical radiculopathy: a systematic review. Spine Journal, 18, 179-189.

Rushton A, Verra M, Emms A, Heneghan N, Falla D, Reddington M, Cole A, Willems P, Benneker L, Selvey D, Hutton M, Heymans M, Staal B (in press). Development and validation of two clinical prediction models to inform clinical decision making for lumbar spinal fusion surgery for degenerative disorders, and rehabilitation following surgery: protocol for a
prospective observational study. BMJ Open.

Agostini P, Lugg ST, Adams K, Smith T, Kalkat M, Rajesh P, Steyn R, Naidu B, Rushton A, Bishay E (in press). Postoperative pulmonary complications following video-assisted thoracoscopic lobectomy; Risk factors and effect on short term-outcomes in lung cancer patients. Journal of Cardiothoracic Surgery. JIF 1.101.

Lluch E, Dueñas L, Falla D, Baert I, Meeus M, Sánchez-Frutos J, Nijs J, Preoperative pain neuroscience education combined with knee joint mobilization for knee osteoarthritis: a randomized controlled trial The Clinical journal of pain 34 (1), 44-52 2018

Falla D, Cescon C, Lindstroem R, Barbero M, Muscle Pain Induces a Shift of the Spatial Distribution of Upper Trapezius Muscle Activity During a Repetitive Task: A Mechanism for Perpetuation of Pain With Repetitive Activity? The Clinical journal of pain 33 (11), 1006-1013 2017

Gram M, Erlenwein J, Petzke F, Falla D, Przemeck M, Emons M I, Reuster M, Olesen S S, Drewes A M, The cortical responses to evoked clinical pain in patients with hip osteoarthritis PloS one 12 (10), e0186400 2017

Thoomes E J, van Geest S, van der Windt D A, Falla D, Verhagen A P, Koes B W, Thoomes-de Graaf M, Kuijper B, Scholten-Peeters W G M, Vleggeert-Lankamp C L, Value of physical tests in diagnosing cervical radiculopathy: a systematic review, The Spine Journal 2017

Martínez-Merinero P, Lluch E, Gallezo-Izquierdo T, Pecos-Martín D, Plaza-Manzano G, Nuñez-Nagy S, Falla D, The influence of a depressed scapular alignment on upper limb neural tissue mechanosensitivity and local pressure pain sensitivity Musculoskeletal Science and Practice 29, 60-65 2017

Barbero M, Fernández-de-las-Peñas C, Palacios-Ceña M, Cescon C, Falla D, Pain extent is associated with pain intensity but not with widespread pressure or thermal pain sensitivity in women with fibromyalgia syndrome Clinical Rheumatology 36 (6), 1427-1432 2017

Martinez-Valdes E, Falla D, Negro F, Mayer F, Farina D, Differential Motor Unit Changes after Endurance or High-Intensity Interval Training.Medicine and science in sports and exercise 49 (6), 1126-1136 2017

De Nunzio A M, Dosen S, Lemling S, Markovic M, Schweisfurth M A, Ge N, Graimann B, Falla D, Farina D, Tactile feedback is an effective instrument for the training of grasping with a prosthesis at low-and medium-force levels Experimental Brain Research, 1-13 2017

Barbero, M., Falla, D., Clijsen, R., Ghirlanda, F., Schneebeli, A., Ernst, M.J. and Cescon, C., 2017. Can parameters of the helical axis be measured reliably during active cervical movements? Musculoskeletal Science and Practice, 27, pp.150-154.

Barbero M, Falla D, Cescon C. The Location of Peak Upper Trapezius Muscle Activity During Submaximal Contractions is Not Associated with the Location of Myofascial Trigger Points: New Insights Revealed by High Density Surface EMG. Clin J Pain. 2016 Sep 10. [Epub ahead of print] No abstract available.

Bucke J, Rushton A, Fawcett L, Spencer S, Sonvico L, Heneghan N. Validity of the digital inclinometer and iphone when measuring thoracic spine rotation. Journal of Athletic Training: September 2017, Vol. 52, No. 9, pp. 820-825.

Cerezo-Téllez E, Torres-Lacomba M, Fuentes-Gallardo I, Perez-Muñoz M, Mayoral-Del-Moral O, Lluch-Girbés E, Prieto-Valiente L, Falla D. Effectiveness of dry needling for chronic nonspecific neck pain: a randomized, single-blinded, clinical trial. Pain. 2016 Sep;157(9):1905-17. doi: 10.1097/j.pain.0000000000000591.

Christiansen DH, Frost P, Frich LH, Falla D, Svendsen SW. The Use of Physiotherapy among Patients with Subacromial Impingement Syndrome: Impact of Sex, Socio-Demographic and Clinical Factors. PLoS One. 2016 Mar 8;11(3):e0151077. doi: 10.1371/journal.pone.0151077.

Christiansen DH, Frost P, Falla D, Haahr JP, Frich LH, Andrea LC, Svendsen SW. Effectiveness of Standardized Physical Therapy Exercises for Patients With Difficulty Returning to Usual Activities After Decompression Surgery for Subacromial Impingement Syndrome: Randomized Controlled Trial. Phys Ther. 2016 Jun;96(6):787-96. doi: 10.2522/ptj.20150652.

Crawford RJ, Gizzi L, Mhuiris ÁN, Falla D. Are regions of the lumbar multifidus differentially activated during walking at varied speed and inclination? J Electromyogr Kinesiol. 2016 Oct;30:177-83. doi: 10.1016/j.jelekin.2016.07.006. 

Dideriksen JL, Holobar A, Falla D. Preferential distribution of nociceptive input to motoneurons with muscle units in the cranial portion of the upper trapezius muscle. J Neurophysiol. 2016 Aug 1;116(2):611-8. doi: 10.1152/jn.01117.2015.

Dieterich, A.V., Andrade, R.J., Le Sant, G., Falla, D., Petzke, F., Hug, F. and Nordez, A.,  Shear wave elastography reveals different degrees of passive and active stiffness of the neck extensor muscles. European journal of applied physiology, 2017, 117(1), pp.171-178.

Erlenwein J, Przemeck M, Degenhart A, Budde S, Falla D, Quintel M, Pfingsten M, Petzke F. The Influence of Chronic Pain on Postoperative Pain and Function After Hip Surgery: A Prospective Observational Cohort Study. J Pain. 2016 Feb;17(2):236-47. doi: 10.1016/j.jpain.2015.10.013.

Espí-López GV, Rodríguez-Blanco C, Oliva-Pascual-Vaca A, Molina-Martínez F, Falla D. Do manual therapy techniques have a positive effect on quality of life in people with tension-type headache? A randomized controlled trial. Eur J Phys Rehabil Med. 2016 Aug;52(4):447-56.

Espí-López GV, Zurriaga-Llorens R, Monzani L, Falla D. The effect of manipulation plus massage therapy versus massage therapy alone in people with tension-type headache. A randomized controlled clinical trial. Eur J Phys Rehabil Med. 2016 Oct;52(5):606-617.

Falla D, Peolsson A, Peterson G, Ludvigsson ML, Soldini E, Schneebeli A, Barbero M. Perceived pain extent is associated with disability, depression and self-efficacy in individuals with whiplash-associated disorders. Eur J Pain. 2016 Oct;20(9):1490-501. doi: 10.1002/ejp.873.

Falla, D., Gizzi, L., Parsa, H., Dieterich, A. and Petzke, F., 2017. People with chronic neck pain walk with a stiffer spine. Journal of orthopaedic & sports physical therapy, 47(4), pp.268-277.

Florencio LL, Oliveira AS, Lemos TW, Carvalho GF, Dach F, Bigal ME, Falla D, Fernández-de-Las-Peñas C, Bevilaqua-Grossi D. Patients with chronic, but not episodic, migraine display altered activity of their neck extensor muscles. J Electromyogr Kinesiol. 2016 Oct;30:66-72. doi: 10.1016/j.jelekin.2016.06.003.

Florencio LL, Ferracini GN, Chaves TC, Palacios-Ceña M, Ordás-Bandera C, Speciali JG, Falla D, Grossi DB, Fernández-de-Las-Peñas C. Active Trigger Points in the Cervical Musculature Determine Altered Activation of Superficial Neck and Extensor Muscles in Women with Migraine. Clin J Pain. 2016 Jun 2. [Epub ahead of print]

Gallego Izquierdo T, Pecos-Martin D, Lluch Girbés E, Plaza-Manzano G, Rodríguez Caldentey R, Mayor Melús R, Blanco Mariscal D, Falla D. Comparison of cranio-cervical flexion training versus cervical proprioception training in patients with chronic neck pain: A randomized controlled clinical trial. J Rehabil Med. 2016 Jan;48(1):48-55. doi: 10.2340/16501977-2034.

Gosling, L.C. and Rushton, A.B., 2016. Identification of adult knee primary bone tumour symptom presentation: A qualitative study. Manual therapy, 26, pp.54-61.

Gram M, Erlenwein J, Petzke F, Falla D, Przemeck M, Emons MI, Reuster M, Olesen SS, Drewes AM. Prediction of postoperative opioid analgesia using clinical-experimental parameters and electroencephalography. Eur J Pain. 2016 Jul 29. doi: 10.1002/ejp.921. [Epub ahead of print]

Grødahl L, Fawcett L, Nazareth M, Smith R, Spencer S, Heneghan N, Rushton A. Diagnostic utility of patient history and physical examination data to detect spondylolysis and spondylolisthesis in athletes with low back pain: a systematic review. Manual Therapy 2016, 24, pp.7-17.

Halvorsen M, Falla D, Gizzi L, Harms-Ringdahl K, Peolsson A, Dedering Å. Short- and long-term effects of exercise on neck muscle function in cervical radiculopathy: A randomized clinical trial. J Rehabil Med. 2016 Oct 5;48(8):696-704. doi: 10.2340/16501977-2120.

Heneghan N, Smith R, Rushton A. Thoracic dysfunction in whiplash associated disorders: a systematic review and meta-analysis protocol; 5(1), p.1. Systematic Reviews 2016.

Jolly K, Majothi S, Sitch AJ, Heneghan NR, Riley RD, Moore DJ, Bates EJ, Turner AM, Bayliss SE, Price MJ, Singh SJ, Adab P, Fitzmaurice DA, Jordan R. Self-management of healthcare behaviours for COPD: a systematic review and meta-analysis. Int Journal of COPD 2016, 11:305–326. DOI: 10.2147/COPD.S90812

Jull G, Falla D. Does increased superficial neck flexor activity in the craniocervical flexion test reflect reduced deep flexor activity in people with neck pain? Man Ther. 2016 Sep;25:43-7. doi: 10.1016/j.math.2016.05.336.

Kanavaki A, Rushton A, Abhishek A, Klocke R, Duda J. Barriers and facilitators to physical activity in people with hip or knee osteoarthritis: Protocol for a systematic review of qualitative evidence. BMJ Open 2016,  6(11), p.e012049.

Koenders N, Rushton A, Heneghan N, Verra ML, Willems P, Hoogeboom T, Staal JB. Pain and disability following first time lumbar fusion surgery for degenerative disorders: a systematic review protocol. Systematic Reviews. 2016, 5:72. DOI: 10.1186/s13643-016-0252-2.

Kosteli MC,  Heneghan N, Roskell C ,Williams SE,  Adab P, Dickens A, Enocson A, Fitzmaurice,  D, Jolly K, Jordan R, Greenfield S, Cumming J. Barriers and enablers of physical activity engagement for patients with chronic obstructive pulmonary disease (COPD) in primary care. Int Journal of COPD. 2016 In Press

Leoni D, Falla D, Heitz C, Capra G, Clijsen R, Egloff M, Cescon C, Baeyens JP, Barbero M. Test-retest Reliability in Reporting the Pain Induced by a Pain Provocation Test: Further Validation of a Novel Approach for Pain Drawing Acquisition and Analysis. Pain Pract. 2016 Mar 15. doi: 10.1111/papr.12429. [Epub ahead of print]

Ludvigsson ML, Peterson G, Dedering Å, Falla D, Peolsson A. Factors associated with pain and disability reduction following exercise interventions in chronic whiplash. Eur J Pain. 2016 Feb;20(2):307-15. doi: 10.1002/ejp.729.

Luedtke K, Boissonnault W, Caspersen N, Castien R, Chaibi A, Falla D, Fernández-de-Las-Peñas C, Hall T, Hirsvang JR, Horre T, Hurley D, Jull G, Krøll LS, Madsen BK, Mallwitz J, Miller C, Schäfer B, Schöttker-Königer T, Starke W, von Piekartz H, Watson D, Westerhuis P, May A. International consensus on the most useful physical examination tests used by physiotherapists for patients with headache: A Delphi study. Man Ther. 2016 Jun;23:17-24. doi: 10.1016/j.math.2016.02.010.

Lluch Girbés E, Dueñas L, Barbero M, Falla D, Baert IA, Meeus M, Sánchez-Frutos J, Aguilella L, Nijs J. Expanded Distribution of Pain as a Sign of Central Sensitization in Individuals With Symptomatic Knee Osteoarthritis. Phys Ther. 2016 Aug;96(8):1196-207. doi: 10.2522/ptj.20150492.

Martinez-Valdes E, Laine CM, Falla D, Mayer F, Farina D. High-density surface electromyography provides reliable estimates of motor unit behavior. Clin Neurophysiol. 2016 Jun;127(6):2534-41. doi: 10.1016/j.clinph.2015.10.065.

Martinez-Valdes  E, Negro F, Laine C, Falla D, Mayer F, Farina D. Tracking motor units longitudinally across experimental sessions with high-density surface electromyography. J Physiol, (In Press)

Martinez-Valdes E, Guzman-Venegas RA, Silvestre RA, Macdonald JH, Falla D, Araneda OF, Haichelis D. Electromyographic adjustments during continuous and intermittent incremental fatiguing cycling. Scand J Med Sci Sports. 2016 Nov;26(11):1273-1282. doi: 10.1111/sms.12578.

Miller C, Peek AL, Power D, Heneghan NR. Psychological consequences of  Traumatic Upper Limb Peripheral Nerve Injury: A Systematic Review. Journal of Hand Therapy 2016, (In Press)

Pecos-Martín D, de Melo Aroeira AE, Verás Silva RL, Martínez de Tejada Pozo G, Rodríguez Solano LM, Plaza-Manzano G, Gallego-Izquierdo T, Falla D. Immediate effects of thoracic spinal mobilisation on erector spinae muscle activity and pain in patients with thoracic spine pain: a preliminary randomised controlled trial. Physiotherapy. 2015 Dec 12. pii: S0031-9406(15)03859-6. doi: 10.1016/ [Epub ahead of print]

Rushton A, Calcutt A, Heneghan N, Heap A, White L, Calvert M, Goodwin P. Descriptive analysis of a 1: 1 physiotherapy outpatient intervention post primary lumbar discectomy: one arm of a small-scale parallel randomised controlled trial across two UK sites. BMJ Open 2016, 6(11), p.e012151.

Rushton A, Heneghan N, Heijmans M, Staal JB, Goodwin P.  The natural course of pain and disability following primary lumbar discectomy: protocol for a systematic review and meta-analysis. BMJ Open 2016, 6.2 2016: e010571.

Rushton A, White L, Heap A, Calvert M, Heneghan N, Goodwin P (2016). Development of 1:1 physiotherapy intervention post first-time lumbar discectomy. BMJ Open 6(2), p.e009409.

Spencer S, Wolf A, Rushton A (2016). Spinal exercise prescription in sport: classifying physical training and rehabilitation by intention and outcome. Journal of Athletic Training 51(8), pp.613-628.

Tyros I, Soundy AA, Heneghan NR. Vibration sensibility of the median nerve in a population with chronic whiplash associated disorder: Intra- and inter-rater reliability study. Manual Therapy 2016, 25:81-6.  DOI: 10.1016/j.math.2016.06.006

Vila-Chã C, Falla D.  Strength training, but not endurance training, reduces motor unit discharge rate variability. J Electromyogr Kinesiol. 2016 Feb;26:88-93. doi: 10.1016/j.jelekin.2015.10.016.

Wiangkham T, Duda J, Haque S, Rushton A. Development of an active behavioural physiotherapy intervention for the management of acute whiplash patients: an international Delphi study. BMJ Open 2016, 6(9), p.e011764.

Wiangkham T, Duda J, M Sayeed Haque, Price J, Rushton A.  Acute Whiplash Injury Study (AWIS): a protocol for a cluster randomised pilot and feasibility trial of an Active Behavioural Physiotherapy Intervention in an insurance private setting. BMJ Open 2016;6:e011336.