References
- Lim SS, Vos T, Flaxman AD, Danaei G, Shibuya K, Adair-Rohani H, et al. A comparative risk assessment of burden of disease and injury attributable to 67 risk factors and risk factor clusters in 21 regions, 1990-2010: a systematic analysis for the Global Burden of Disease Study 2010. Lancet 2012;380:2224-60. https://doi.org/10.1016/S0140-6736(12)61766-8
- Papageorgiou AC, Croft PR, Ferry S, Jayson MI, Silman AJ. Estimating the prevalence of low back pain in the general population. Evidence from the South Manchester Back Pain Survey. Spine (Phila Pa 1976) 1995;20:1889-94. https://doi.org/10.1097/00007632-199509000-00009
- Hoy D, Bain C, Williams G, March L, Brooks P, Blyth F, et al. A systematic review of the global prevalence of low back pain. Arthritis Rheum 2012;64:2028-37. https://doi.org/10.1002/art.34347
- Thomas E, Silman AJ, Croft PR, Papageorgiou AC, Jayson MI, Macfarlane GJ. Predicting who develops chronic low back pain in primary care: a prospective study. BMJ 1999;318:1662-7. https://doi.org/10.1136/bmj.318.7199.1662
- Hoy D, Brooks P, Blyth F, Buchbinder R. The Epidemiology of low back pain. Best Pract Res Clin Rheumatol 2010;24:769-81. https://doi.org/10.1016/j.berh.2010.10.002
- Hayden JA, Dunn KM, van der Windt DA, Shaw WS. What is the prognosis of back pain? Best Pract Res Clin Rheumatol 2010;24:167-79. https://doi.org/10.1016/j.berh.2009.12.005
- Hayden JA, Tougas ME, Riley R, Iles R, Pincus T. Individual recovery expectations and prognosis of outcomes in non-specific low back pain: prognostic factor exemplar review. Cochrane Database Syst Rev 2014;(9):CD011284.
- Dillingham T. Evaluation and management of low back pain: an overview. STARs 1995;9:559-74.
- O'Sullivan P. Diagnosis and classification of chronic low back pain disorders: maladaptive movement and motor control impairments as underlying mechanism. Man Ther 2005;10:242-55. https://doi.org/10.1016/j.math.2005.07.001
- Arena JG, Sherman RA, Bruno GM, Young TR. Electromyographic recordings of low back pain subjects and non-pain controls in six different positions: effect of pain levels. Pain 1991;45:23-8. https://doi.org/10.1016/0304-3959(91)90160-Y
- Astfalck RG, O'Sullivan PB, Straker LM, Smith AJ, Burnett A, Caneiro JP, et al. Sitting postures and trunk muscle activity in adolescents with and without nonspecific chronic low back pain: an analysis based on subclassification. Spine (Phila Pa 1976) 2010;35:1387-95. https://doi.org/10.1097/BRS.0b013e3181bd3ea6
- Dankaerts W, O'Sullivan P, Burnett A, Straker L. Altered patterns of superficial trunk muscle activation during sitting in nonspecific chronic low back pain patients: importance of subclassification. Spine (Phila Pa 1976) 2006;31:2017-23. https://doi.org/10.1097/01.brs.0000228728.11076.82
- O'Sullivan K, McCarthy R, White A, O'Sullivan L, Dankaerts W. Lumbar posture and trunk muscle activation during a typing task when sitting on a novel dynamic ergonomic chair. Ergonomics 2012;55:1586-95. https://doi.org/10.1080/00140139.2012.721521
- Sheeran L, Sparkes V, Caterson B, Busse-Morris M, van Deursen R. Spinal position sense and trunk muscle activity during sitting and standing in nonspecific chronic low back pain: classification analysis. Spine (Phila Pa 1976) 2012;37:E486-95. https://doi.org/10.1097/BRS.0b013e31823b00ce
- Cassisi JE, Robinson ME, O'Conner P, MacMillan M. Trunk strength and lumbar paraspinal muscle activity during isometric exercise in chronic low-back pain patients and controls. Spine (Phila Pa 1976) 1993;18:245-51. https://doi.org/10.1097/00007632-199302000-00012
- Schinkel-Ivy A, Nairn BC, Drake JD. Investigation of trunk muscle co-contraction and its association with low back pain development during prolonged sitting. J Electromyogr Kinesiol 2013;23:778-86. https://doi.org/10.1016/j.jelekin.2013.02.001
- Dankaerts W, O'Sullivan P, Burnett A, Straker L. Differences in sitting postures are associated with nonspecific chronic low back pain disorders when patients are subclassified. Spine (Phila Pa 1976) 2006;31:698-704. https://doi.org/10.1097/01.brs.0000202532.76925.d2
- Hemming R, Sheeran L, van Deursen R, Sparkes V. Non-specific chronic low back pain: differences in spinal kinematics in subgroups during functional tasks. Eur Spine J 2018;27:163-70. https://doi.org/10.1007/s00586-017-5217-1
- Hwang UJ, Kwon OY, Jung SH, Ahn SH, Kim HA. Predictors of pain intensity and Oswestry Disability Index in prolonged standing service workers with nonspecific chronic low back pain subclassified as active extension pattern. Musculoskelet Sci Pract 2019;40:58-64. https://doi.org/10.1016/j.msksp.2019.01.014
- Nelson-Wong E, Callaghan JP. Is muscle co-activation a predisposing factor for low back pain development during standing? A multifactorial approach for early identification of at-risk individuals. J Electromyogr Kinesiol 2010;20:256-63. https://doi.org/10.1016/j.jelekin.2009.04.009
- O'Sullivan PB. Lumbar segmental 'instability': clinical presentation and specific stabilizing exercise management. Man Ther 2000;5:2-12. https://doi.org/10.1054/math.1999.0213
- Dankaerts W, O'Sullivan P. The validity of O'Sullivan's classification system (CS) for a sub-group of NS-CLBP with motor control impairment (MCI): overview of a series of studies and review of the literature. Man Ther 2011;16:9-14. https://doi.org/10.1016/j.math.2010.10.006
- Hawker GA, Mian S, Kendzerska T, French M. Measures of adult pain: Visual Analog Scale for Pain (VAS Pain), Numeric Rating Scale for Pain (NRS Pain), McGill Pain Questionnaire (MPQ), Short-Form McGill Pain Questionnaire (SF-MPQ), Chronic Pain Grade Scale (CPGS), Short Form-36 Bodily Pain Scale (SF-36 BPS), and measure of Intermittent and Constant Osteoarthritis Pain (ICOAP). Arthritis Care Res (Hoboken) 2011;63 Suppl 11:S240-52. https://doi.org/10.1002/acr.20543
- van Deursen LL, Patijn J, Durinck JR, Brouwer R, van Erven-Sommers JR, Vortman BJ. Sitting and low back pain: the positive effect of rotary dynamic stimuli during prolonged sitting. Eur Spine J 1999;8:187-93. https://doi.org/10.1007/s005860050155
- Rabey M, Smith A, Beales D, Slater H, O'Sullivan P. Differing psychologically derived clusters in people with chronic low back pain are associated with different multidimensional profiles. Clin J Pain 2016;32:1015-27. https://doi.org/10.1097/AJP.0000000000000363
- Hermens HJ, Freriks B, Disselhorst-Klug C, Rau G. Development of recommendations for SEMG sensors and sensor placement procedures. J Electromyogr Kinesiol 2000;10:361-74. https://doi.org/10.1016/S1050-6411(00)00027-4
- Drake JD, Fischer SL, Brown SH, Callaghan JP. Do exercise balls provide a training advantage for trunk extensor exercises? A biomechanical evaluation. J Manipulative Physiol Ther 2006;29:354-62. https://doi.org/10.1016/j.jmpt.2006.04.011
- Ng JK, Kippers V, Richardson CA. Muscle fibre orientation of abdominal muscles and suggested surface EMG electrode positions. Electromyogr Clin Neurophysiol 1998;38:51-8.
- Dankaerts W, O'Sullivan PB, Burnett AF, Straker LM, Danneels LA. Reliability of EMG measurements for trunk muscles during maximal and sub-maximal voluntary isometric contractions in healthy controls and CLBP patients. J Electromyogr Kinesiol 2004;14:333-42. https://doi.org/10.1016/j.jelekin.2003.07.001
- Gregory DE, Dunk NM, Callaghan JP. Stability ball versus office chair: comparison of muscle activation and lumbar spine posture during prolonged sitting. Hum Factors 2006;48:142-53. https://doi.org/10.1518/001872006776412243
- O'Keeffe M, Dankaerts W, O'Sullivan P, O'Sullivan L, O'Sullivan K. Specific flexion-related low back pain and sitting: comparison of seated discomfort on two different chairs. Ergonomics 2013;56:650-8. https://doi.org/10.1080/00140139.2012.762462
- Nairn BC, Azar NR, Drake JDM. On-site observations of spine angle data during prolonged office sitting while performing computer-aided drafting work: a case study. IIE Trans Occup Ergonom Hum Factors 2013;1:76-81. https://doi.org/10.1080/21577323.2012.708700
- Drake JD, Callaghan JP. Elimination of electrocardiogram contamination from electromyogram signals: an evaluation of currently used removal techniques. J Electromyogr Kinesiol 2006;16:175-87. https://doi.org/10.1016/j.jelekin.2005.07.003
- Brereton LC, McGill SM. Frequency response of spine extensors during rapid isometric contractions: effects of muscle length and tension. J Electromyogr Kinesiol 1998;8:227-32. https://doi.org/10.1016/S1050-6411(98)00009-1
- Psycharakis SG, Coleman SGS, Linton L, Kaliarntas K, Valentin S. Muscle activity during aquatic and land exercises in people with and without low back pain. Phys Ther 2019;99:297-310. https://doi.org/10.1093/ptj/pzy150
- Vibe Fersum K, O'Sullivan P, Skouen JS, Smith A, Kvale A. Efficacy of classification-based cognitive functional therapy in patients with non-specific chronic low back pain: a randomized controlled trial. Eur J Pain 2013;17:916-28. https://doi.org/10.1002/j.1532-2149.2012.00252.x