Do changes in transversus abdominis and lumbar multifidus during conservative treatment explain changes in clinical outcomes related to nonspecific low back pain? A systematic review

Journal of Pain

Volumn 15, Issue 4, 2014, Pages 377.e1-377.e35

  Wong, Arnold Y L ^a   Parent, Eric C ^a,b   Funabashi, Martha ^a   Kawchuk, Gregory N ^a  

^a UNIVERSITY OF ALBERTA   (Canada)

^b GLENROSE REHABILITATION HOSPITAL   (Canada)

Author keywords

low back pain; lumbar multifidus; temporal changes; Transversus abdominis; ultrasound imaging

Indexed keywords

ABDOMINAL WALL MUSCULATURE; B SCAN; BACK MUSCLE; CONSERVATIVE TREATMENT; DISABILITY; ELECTROMYOGRAPHY; EXERCISE; FOLLOW UP; HOME PHYSIOTHERAPY; HUMAN; LOW BACK PAIN; LUMBAR MULTIFIDUS; MANIPULATIVE MEDICINE; META ANALYSIS; MORPHOMETRICS; MOTOR CONTROL; MUSCLE TRAINING; OUTCOMES RESEARCH; PHYSIOTHERAPY; RANDOMIZED CONTROLLED TRIAL (TOPIC); REVIEW; SKELETAL MUSCLE; SYSTEMATIC REVIEW; TISSUE DOPPLER IMAGING; TRANSVERSUS ABDOMINIS; TREATMENT OUTCOME; ULTRASOUND; PARASPINAL MUSCLE; PATHOLOGY;

HUMANS; LOW BACK PAIN; PARASPINAL MUSCLES; TREATMENT OUTCOME;

EID: 84897954267     PISSN: 15265900     EISSN: 15288447     Source Type: Journal    
DOI: 10.1016/j.jpain.2013.10.008     Document Type: Review

References (116)

1. A. Akbari, S. Khorashadizadeh, and A. Gholam The effect of motor control exercise versus general exercise on lumbar local stabilizing muscles thickness: Randomized controlled trial of patients with chronic low back pain J Back Musculoskeletal Rehabil 21 2008 105 112
2. S.M. Al-Obaidi, P. Beattie, B. Al-Zoabi, and S. Al-Wekeel The relationship of anticipated pain and fear avoidance beliefs to outcome in patients with chronic low back pain who are not receiving workers' compensation Spine 30 2005 1051 1057
3. G.T. Allison, S.L. Morris, and B. Lay Feedforward responses of transversus abdominis are directionally specific and act asymmetrically: Implications for core stability theories J Orthop Sports Phys Ther 38 2008 228 237
4. D.G. Altman Systematic reviews of evaluations of prognostic variables BMJ 323 2001 224 228
5. G.A.M. Ariëns, W. van Mechelen, P.M. Bongers, L.M. Bouter, and G. van der Wal Psychosocial risk factors for neck pain: A systematic review Am J Ind Med 39 2001 180 193
6. S. Bajek, D. Bobinac, G. Bajek, T.S. Vranić, B. Lah, and D.M. Dragojević Muscle fiber type distribution in multifidus muscle in cases of lumbar disc herniation Acta Med Okayama 54 2000 235 241
7. F. Balagué, A.F. Mannion, F. Pellisé, and C. Cedraschi Non-specific low back pain Lancet 379 2012 482 491
8. P.J. Barker, K.T. Guggenheimer, I. Grkovic, C.A. Briggs, D.C. Jones, C.D.L. Thomas, and P.W. Hodges Effects of tensioning the lumbar fasciae on segmental stiffness during flexion and extension: Young Investigator Award winner Spine 31 2006 397 405
9. P.F. Beattie, and R.M. Nelson Evaluating research studies that address prognosis for patients receiving physical therapy care: A clinical update Phys Ther 87 2007 1527 1535
10. C. Brooks, S. Kennedy, and P.W.M. Marshall Specific trunk and general exercise elicit similar changes in anticipatory postural adjustments in patients with chronic low back pain: A randomized controlled trial Spine 37 2012 E1543 E1550
11. S. Brown, D. Gregory, J. Carr, S. Ward, K. Masuda, and R. Lieber Adaptation to the multifidus muscle in response to experimentally induced intervertebral disc degeneration Spine 36 2011 1728 1736
12. S.H.M. Brown, and S.M. McGill A comparison of ultrasound and electromyography measures of force and activation to examine the mechanics of abdominal wall contraction Clin Biomech (Bristol, Avon) 25 2010 115 123
13. S. Coghlan, L. Crowe, U. McCarthypersson, C. Minogue, and B. Caulfield Neuromuscular electrical stimulation training results in enhanced activation of spinal stabilizing muscles during spinal loading and improvements in pain ratings Conf Proc IEEE Eng Med Biol Soc 2011 2011 7622 7625
14. L.R. Cornelius, J.J.L. van der Klink, J.W. Groothoff, and S. Brouwer Prognostic factors of long term disability due to mental disorders: A systematic review J Occup Rehabil 21 2011 259 274
15. J.L. Coste, G.R. Lefran ois, F. Guillemin, J. Pouchot French Study Group for Quality of Life in Rheumatology Prognosis and quality of life in patients with acute low back pain: Insights from a comprehensive inception cohort study Arthritis Rheum 51 2004 168 176
16. D. Critchley, and F. Coutts Abdominal muscle function in chronic low back pain patients measurement with real-time ultrasound scanning Physiotherapy 88 2002 322 332
17. R. D'hooge, B. Cagnie, G. Crombez, G. Vanderstraeten, E. Achten, and L. Danneels Lumbar muscle dysfunction during remission of unilateral recurrent nonspecific low-back pain: Evaluation with muscle functional MRI Clin J Pain 29 2013 187 194
18. L.A. Danneels, G.G. Vanderstraeten, D.C. Cambier, E.E. Witvrouw, and H.J. De Cuyper CT imaging of trunk muscles in chronic low back pain patients and healthy control subjects Eur Spine J 9 2000 266 272
19. N. Dickx, B. Cagnie, T. Parlevliet, A. Lavens, and L. Danneels The effect of unilateral muscle pain on recruitment of the lumbar multifidus during automatic contraction. An experimental pain study Man Ther 15 2010 364 369
20. K.M. Dunn, K. Jordan, and P.R. Croft Characterizing the course of low back pain: A latent class analysis Am J Epidemiol 163 2006 754 761
21. P.J. Easterbrook, R. Gopalan, J.A. Berlin, and D.R. Matthews Publication bias in clinical research Lancet 337 1991 867 872
22. M. Ekman, O. Johnell, and L. Lidgren The economic cost of low back pain in Sweden in 2001 Acta Orthop 76 2005 275 284
23. F.R. França, T.N. Burke, E.S. Hanada, and A.P. Marques Segmental stabilization and muscular strengthening in chronic low back pain - A comparative study Clinics 65 2010 1013 1017
24. P.H. Ferreira, M.L. Ferreira, and P.W. Hodges Changes in recruitment of the abdominal muscles in people with low back pain: Ultrasound measurement of muscle activity Spine 29 2004 2560 2566
25. P.H. Ferreira, M.L. Ferreira, C.G. Maher, K. Refshauge, R.D. Herbert, and P.W. Hodges Changes in recruitment of transversus abdominis correlate with disability in people with chronic low back pain Br J Sports Med 44 2010 1166 1172
26. M. Fortin, and L.G. Macedo Multifidus and paraspinal muscle group cross-sectional areas of patients with low back pain and control patients: A systematic review with a focus on blinding Phys Ther 93 2013 873 888
27. F.R. França, T.N. Burke, R.R. Caffaro, L.A. Ramos, and A.P. Marques Effects of muscular stretching and segmental stabilization on functional disability and pain in patients with chronic low back pain: A randomized controlled trial J Manipulative Physiol Ther 35 2012 279 285
28. M.D. Freeman, M.A. Woodham, and A.W. Woodham The role of the lumbar multifidus in chronic low back pain: A review PM&R 2 2010 124 146
29. M. Friedrich, J. Hahne, and F. Wepner A controlled examination of medical and psychosocial factors associated with low back pain in combination with widespread musculoskeletal pain Phys Ther 89 2009 786 803
30. J.M. Fritz, S.Z. George, and A. Delitto The role of fear-avoidance beliefs in acute low back pain: Relationships with current and future disability and work status Pain 94 2001 7 15
31. J.M. Fritz, S.L. Koppenhaver, G.N. Kawchuk, D.S. Teyhen, J.J. Hebert, and J.D. Childs Preliminary investigation of the mechanisms underlying the effects of manipulation: Exploration of a multi-variate model including spinal stiffness, multifidus recruitment, and clinical findings Spine 36 2011 1772 1781
32. G.V. Glass, and K.D. Hopkins Statistical Methods in Education and Psychology 3rd ed 1996 Allyn & Bacon Needham Heights, MA
33. D. Gubler, A.F. Mannion, P. Schenk, M. Gorelick, D. Helbling, H. Gerber, V. Toma, and H. Sprott Ultrasound tissue Doppler imaging reveals no delay in abdominal muscle feed-forward activity during rapid arm movements in patients with chronic low back pain Spine 35 2010 1506 1513
34. S. Haldeman, D. Kopansky-Giles, E.L. Hurwitz, D. Hoy, W. Mark Erwin, S. Dagenais, G. Kawchuk, B. Stromqvist, and N. Walsh Advancements in the management of spine disorders Best Pract Res Clin Rheumatol 26 2012 263 280
35. H.H. Hamberg-van Reenen, G.A.M. Ariëns, B.M. Blatter, W. van Mechelen, and P.M. Bongers A systematic review of the relation between physical capacity and future low back and neck/shoulder pain Pain 130 2007 93 107
36. J.A. Hayden, P. Côté, and C. Bombardier Evaluation of the quality of prognosis studies in systematic reviews Ann Intern Med 144 2006 427 437
37. J.A. Hayden, K.M. Dunn, D.A. van der Windt, and W.S. Shaw What is the prognosis of back pain? Best Pract Res Clin Rheumatol 24 2010 167 179
38. N. Henschke, L. Wouda, C.G. Maher, J.M. Hush, and M.W. van Tulder Determinants of patient satisfaction 1 year after presenting to primary care with acute low back pain Clin J Pain 29 2013 512 517
39. J. Hides, C. Richardson, and G. Jull Multifidus muscle recovery is not automatic after resolution of acute, first-episode low back pain Spine 21 1996 2763 2769
40. J. Hides, S. Wilson, W. Stanton, S. McMahon, H. Keto, K. McMahon, M. Bryant, and C. Richardson An MRI investigation into the function of the transversus abdominis muscle during "drawing-In" of the abdominal wall Spine 31 2006 E175 E178
41. J.A. Hides, G.A. Jull, and C.A. Richardson Long-term effects of specific stabilizing exercises for first-episode low back pain Spine 26 2001 E243 E248
42. J.A. Hides, W. Stanton, S. McMahon, K. Sims, and C. Richardson Effect of stabilization training on multifidus muscle cross-sectional area among young elite cricketers with low back pain J Orthop Sports Phys Ther 38 2008 101 108
43. J.A. Hides, M.J. Stokes, M. Saide, G.A. Jull, and D.H. Cooper Evidence of lumbar multifidus muscle wasting ipsilateral to symptoms in patients with acute/subacute low back pain Spine 19 1994 165 172
44. P.W. Hodges Pain and motor control: From the laboratory to rehabilitation J Electromyogr Kinesiol 21 2011 220 228
45. P.W. Hodges, G.L. Moseley, A. Gabrielsson, and S.C. Gandevia Experimental muscle pain changes feedforward postural responses of the trunk muscles Exp Brain Res 151 2003 262 271
46. P.W. Hodges, and C.A. Richardson Altered trunk muscle recruitment in people with low back pain with upper limb movement at different speeds Arch Phys Med Rehabil 80 1999 1005 1012
47. P.W. Hodges, and C.A. Richardson Delayed postural contraction of transversus abdominis in low back pain associated with movement of the lower limb J Spinal Disord 11 1998 46 56
48. P.W. Hodges, and C.A. Richardson Inefficient muscular stabilization of the lumbar spine associated with low back pain: A motor control evaluation of transversus abdominis Spine 21 1996 2640 2650
49. P.W. Hodges, and K. Tucker Moving differently in pain: A new theory to explain the adaptation to pain Pain 152 2011 S90 S98
50. Y. Hu, Y.L. Wong, W.W. Lu, and G.N. Kawchuk Creation of an asymmetrical gradient of back muscle activity and spinal stiffness during asymmetrical hip extension Clin Biomech (Bristol, Avon) 24 2009 799 806
51. J.K. Hyun, J.Y. Lee, S.J. Lee, and J.Y. Jeon Asymmetric atrophy of multifidus muscle in patients with unilateral lumbosacral radiculopathy Spine 32 2007 E598 E602
52. C. Ihlebæk, T.H. Hansson, E. Lærum, S. Brage, H.R. Eriksen, S.H. Holm, R. Svendsrød, and A. Indahl Prevalence of low back pain and sickness absence: A "borderline" study in Norway and Sweden Scand J Public Health 34 2006 555 558
53. P. Jellema, D.A.W.M. van der Windt, H.E. van der Horst, W.A.B. Stalman, and L.M. Bouter Prediction of an unfavourable course of low back pain in general practice: Comparison of four instruments Br J Gen Pract 57 2007 15 22
54. R.S. Jemmett, D.A. Macdonald, and A.M.R. Agur Anatomical relationships between selected segmental muscles of the lumbar spine in the context of multi-planar segmental motion: A preliminary investigation Man Ther 9 2004 203 210
55. A. Jöud, I.F. Petersson, and M. Englund Low back pain - Epidemiology of consultations Arthritis Care Res 64 2012 1084 1088
56. L. Kalichman, P. Hodges, L. Li, A. Guermazi, and D.J. Hunter Changes in paraspinal muscles and their association with low back pain and spinal degeneration: CT study Eur Spine J 19 2010 1136 1144
57. M. Kankaanpaa, S. Taimela, O. Airaksinen, and O. Hanninen The efficacy of active rehabilitation in chronic low back pain. Effect on pain intensity, self-experienced disability, and lumbar fatigability Spine 24 1999 1034 1042
58. K.B. Kiesel, T. Uhl, F.B. Underwood, and A.J. Nitz Rehabilitative ultrasound measurement of select trunk muscle activation during induced pain Man Ther 13 2008 132 138
59. K.B. Kiesel, F.B. Underwood, C.G. Mattacola, C. Matacolla, A.J. Nitz, and T.R. Malone A comparison of select trunk muscle thickness change between subjects with low back pain classified in the treatment-based classification system and asymptomatic controls J Orthop Sports Phys Ther 37 2007 596 607
60. L.N. Konitzer, N.W. Gill, and S.L. Koppenhaver Investigation of abdominal muscle thickness changes after spinal manipulation in patients who meet a clinical prediction rule for lumbar stabilization J Orthop Sports Phys Ther 41 2011 666 674
61. S. Koppenhaver, J. Hebert, J. Fritz, E. Parent, D. Teyhen, and J. Magel Reliability of rehabilitative ultrasound imaging of the transversus abdominis and lumbar multifidus muscles Arch Phys Med Rehabil 90 2009 87 94
62. S. Koppenhaver, J. Hebert, E. Parent, and J. Fritz Rehabilitative ultrasound imaging is a valid measure of trunk muscle size and activation during most isometric sub-maximal contractions: A systematic review Aust J Physiother 55 2009 153 169
63. S.L. Koppenhaver, J.M. Fritz, J.J. Hebert, G.N. Kawchuk, J.D. Childs, E.C. Parent, N.W. Gill, and D.S. Teyhen Association between changes in abdominal and lumbar multifidus muscle thickness and clinical improvement after spinal manipulation J Orthop Sports Phys Ther 41 2011 389 399
64. M. Korff Von, R.A. Deyo, D. Cherkin, and W. Barlow Back pain in primary care: Outcomes at 1 year Spine 18 1993 855 862
65. M. Korff Von, and D.L. Miglioretti A prognostic approach to defining chronic pain Pain 117 2005 304 313
66. S. Kumar, V.P. Sharma, R. Shukla, and R. Dev Comparative efficacy of two multimodal treatments on male and female sub-groups with low back pain (part II) J Back Musculoskelet Rehabil 23 2010 1 9
67. R.A. Laird, P. Kent, and J.L. Keating Modifying patterns of movement in people with low back pain - Does it help? A systematic review BMC Musculoskelet Disord 13 2012 169
68. W. Lee, Y. Lee, and W. Gong The effect of lumbar strengthening exercise on pain and the cross-sectional area change of lumbar muscles J Phys Ther Sci 23 2011 209 212
69. S. Luoto, M. Heliovaara, H. Hurri, and H. Alaranta Static back endurance and the risk of low-back pain Clin Biomech (Bristol, Avon) 10 1995 323 324
70. D. MacDonald, G.L. Moseley, and P.W. Hodges Why do some patients keep hurting their back? Evidence of ongoing back muscle dysfunction during remission from recurrent back pain Pain 142 2009 183 188
71. K.N. Manchikanti, V. Pampati, F.J.E. Falco, and J.A. Hirsch Growth of spinal interventional pain management techniques: Analysis of utilization trends and medicare expenditures 2000 to 2008 Spine 38 2013 157 168
72. A. Mannion, L. Käser, E. Weber, A. Rhyner, J. Dvorak, and M. Muntener Influence of age and duration of symptoms on fibre type distribution and size of the back muscles in chronic low back pain patients Eur Spine J 9 2009 273 281
73. A.F. Mannion, F. Caporaso, N. Pulkovski, and H. Sprott Spine stabilisation exercises in the treatment of chronic low back pain: A good clinical outcome is not associated with improved abdominal muscle function Eur Spine J 21 2012 1301 1310
74. A.F. Mannion, N. Pulkovski, P. Schenk, P.W. Hodges, H. Gerber, T. Loupas, M. Gorelick, and H. Sprott A new method for the noninvasive determination of abdominal muscle feedforward activity based on tissue velocity information from tissue Doppler imaging J Appl Phys 104 2008 1192 1201
75. P. Marshall, and B. Murphy Delayed abdominal muscle onsets and self-report measures of pain and disability in chronic low back pain J Electromyogr Kinesiol 20 2010 833 839
76. P.W. Marshall, and B.A. Murphy Muscle activation changes after exercise rehabilitation for chronic low back pain Arch Phys Med Rehabil 89 2008 1305 1313
77. P.W.M. Marshall, and B.A. Murphy Evaluation of functional and neuromuscular changes after exercise rehabilitation for low back pain using a Swiss ball: A pilot study J Manipulative Physiol Ther 29 2006 550 560
78. D. Moher, A. Liberati, J. Tetzlaff, D.G. Altman PRISMA Group Preferred reporting items for systematic reviews and meta-analyses: The PRISMA statement Int J Surg 151 2009 264 270
79. M.A. Mohseni-Bandpei, J. Critchley, T. Staunton, and B. Richardson A prospective randomised controlled trial of spinal manipulation and ultrasound in the treatment of chronic low back pain Physiotherapy 92 2006 34 42
80. S.L. Morris, B. Lay, and G.T. Allison Corset hypothesis rebutted - Transversus abdominis does not co-contract in unison prior to rapid arm movements Clin Biomech (Bristol, Avon) 27 2012 240 254
81. R. Parkkola, U. Rytökoski, and M. Kormano Magnetic resonance imaging of the discs and trunk muscles in patients with chronic low back pain and healthy control subjects Spine 18 1993 830 836
82. L.H.M. Pengel Acute low back pain: Systematic review of its prognosis BMJ 327 2003 323
83. L. Portney, and M. Watkins Foundations of Clinical Research: Applications to Practice 3rd ed. 2009 Prentice Hall Upper Saddle River, NJ
84. C. Richardson, P. Hodges, and J. Hides Therapeutic Exercise for Lumbopelvic Stabilization: A Motor Control Approach for the Treatment and Prevention of Low Back Pain 2nd ed. 2004 Churchill Livingstone Philadelphia, PA
85. C. Richardson, G. Jull, P. Hodges, and J. Hides Therapeutic Exercises for Spinal Segmental Stabilization in Low Back Pain: Scientific Basis and Clinical Approach 1998 Churchill Livingstone Philadelphia, PA
86. B.J. Shea, J.M. Grimshaw, G.A. Wells, M. Boers, N. Andersson, C. Hamel, A.C. Porter, P. Tugwell, D. Moher, and L.M. Bouter Development of AMSTAR: A measurement tool to assess the methodological quality of systematic reviews BMC Med Res Methodol 7 2007 10
87. B.J. Shea, C. Hamel, G.A. Wells, L.M. Bouter, E. Kristjansson, J. Grimshaw, D.A. Henry, and M. Boers AMSTAR is a reliable and valid measurement tool to assess the methodological quality of systematic reviews J Clin Epidemiol 62 2009 1013 1020
88. R.J.E.M. Smeets, D. Wade, A. Hidding, P.J.C.M. Van Leeuwen, J.W.S. Vlaeyen, and J.A. Knottnerus The association of physical deconditioning and chronic low back pain: A hypothesis-oriented systematic review Disabil Rehabil 28 2006 673 693
89. F. Steiger, B. Wirth, E.D. de Bruin, and A.F. Mannion Is a positive clinical outcome after exercise therapy for chronic non-specific low back pain contingent upon a corresponding improvement in the targeted aspect(s) of performance? A systematic review Eur Spine J 21 2012 575 598
90. D.F. Stroup, J.A. Berlin, S.C. Morton, I. Olkin, G.D. Williamson, D. Rennie, D. Moher, B.J. Becker, T.A. Sipe, and S.B. Thacker Meta-analysis of observational studies in epidemiology: A proposal for reporting J Am Med Assoc 283 2000 2008 2012
91. X. Sun, M. Briel, J.W. Busse, J.J. You, E.A. Akl, F. Mejza, M.M. Bala, D. Mertz, N. Diaz-Granados, P.O. Vandvik, G. Malaga, S.K. Srinathan, P. Dahm, B.C. Johnston, P. Alonso-Coello, B. Hassouneh, S.D. Walter, D. Heels-Ansdell, N. Bhatnagar, D.G. Altman, and G.H. Guyatt Credibility of claims of subgroup effects in randomised controlled trials: Systematic review BMJ 344 2012 e1553
92. P.S. Sung Multifidi muscles median frequency before and after spinal stabilization exercises Arch Phys Med Rehabil 84 2003 1313 1318
93. D.S. Teyhen, J.N. Williamson, N.H. Carlson, S.T. Suttles, S.J. O'Laughlin, J.L. Whittaker, S.L. Goffar, and J.D. Childs Ultrasound characteristics of the deep abdominal muscles during the active straight leg raise test Arch Phys Med Rehabil 90 2009 761 767
94. T.D. Tosteson, J.S. Buzas, E. Demidenko, and M. Karagas Power and sample size calculations for generalized regression models with covariate measurement error Stat Med 22 2003 1069 1082
95. H. Tsao, T.R. Druitt, T.M. Schollum, and P.W. Hodges Motor training of the lumbar paraspinal muscles induces immediate changes in motor coordination in patients with recurrent low back pain J Pain 11 2010 1120 1128
96. H. Tsao, M.P. Galea, and P.W. Hodges Driving plasticity in the motor cortex in recurrent low back pain Eur J Pain 14 2010 832 939
97. H. Tsao, and P.W. Hodges Immediate changes in feedforward postural adjustments following voluntary motor training Exp Brain Res 181 2007 537 546
98. H. Tsao, and P.W. Hodges Persistence of improvements in postural strategies following motor control training in people with recurrent low back pain J Electromyogr Kinesiol 18 2008 559 567
99. E.L. Turner, P. Perel, T. Clayton, P. Edwards, A.V. Hernández, I. Roberts, H. Shakur, E.W. Steyerberg CRASH trial collaborators Covariate adjustment increased power in randomized controlled trials: An example in traumatic brain injury J Clin Epidemiol 65 2012 474 481
100. M. Unsgaard-Tøndel, T.I.L. Nilsen, J. Magnussen, and O. Vasseljen Is activation of transversus abdominis and obliquus internus abdominis associated with long-term changes in chronic low back pain? A prospective study with 1-year follow-up BMJ Sports Med 46 2012 729 734
101. M.W. van Tulder, W.J.J. Assendelft, B.W. Koes, L.M. Bouter Group TEBOTCCBR Method guidelines for systematic reviews in the Cochrane Collaboration Back Review Group for Spinal Disorders Spine 22 1997 2323 2330
102. O. Vasseljen, and A.M. Fladmark Abdominal muscle contraction thickness and function after specific and general exercises: A randomized controlled trial in chronic low back pain patients Man Ther 15 2010 482 489
103. O. Vasseljen, M. Unsgaard-Tøndel, C. Westad, and P.J. Mork Effect of core stability exercises on feed-forward activation of deep abdominal muscles in chronic low back pain: A randomized controlled trial Spine 37 2012 1101 1108
104. T. Vos, A.D. Flaxman, M. Naghavi, R. Lozano, C. Michaud, M. Ezzati, K. Shibuya, J.A. Salomon, S. Abadalla, V. Aboyans, J. Abraham, I. Ackeman, R. Aggarwal, S.Y. Ahn, M.K. Ali, M. Alvarado, H.R. Anderson, L.M. Anderson, K.G. Andrews, C. Atkinson, L.M. Baddour, A.N. Bahalim, S. Barker-Collo, L.H. Barrero, D.H. Bartels, M.G. Basanez, A. Baxter, M.L. Bell, E.J. Benjamin, D. Bennett, E. Bernabe, K. Bhalla, B. Bhandari, B. Bikbov, A.B. Abdulhak, G. B, J.A. Black, H. Blencowe, J.D. Blore, F. B, I. Bolliger, A. Bonaventure, S. Boufous, R. Bourne, M. Bossussinesq, T. Braithwaite, C. Brayne, L. Bridgett, S. Brooker, P. Brooks, T.S. Brugha, C. Bryan-Hancock, C. Bucello, R. Buchbinder, G. Buckle, C.M. Budke, M. Burch, P. Burney, R. Burstein, B. Calabria, B. Campbell, C.E. Canter, H. Carabin, J. Carapetis, L. Camona, C. Cella, F. Charlson, H. Chen, A.T. Cheung, D. Chou, S.S. Chugh, L.E. Coffeng, S.D. Colan, S. Colquhoun, K.E. Colson, J. Candon, M.D. Connor, L.T. Cooper, M. Corriere, M. Cortinovis, K. Couville de Vaccaro, W. Couser, B.C. Cowie, M.H. Criqui, M. Cross, K.C. Dabhadkar, M. Dahiya, N. Dahodwala, J. Damsere-Derry, G. Danaei, A. Davis, D. De Leo, L. Degenhardt, R. Dellavalle, A. Delossantos, J. Denenberg, S. Derrett, D.C. Jarlais Des, S.D. Dharmaratne, M. Dherani, C. Diaz-Tome, H. Dolk, E.R. Dorsey, T. Driscoll, H. Duber, B. Ebel, K. Edmond, A. Elbaz, S.E. Ali, H. Erskine, P.J. Erwin, P. Espindola, S.E. Ewoigbokhan, F. Farazadfar, V. Feigin, D.T. Felson, A. Ferrari, C.P. Ferri, E.M. Fevre, M.M. Finucane, S. Flaxman, L. Flood, K. Foreman, M.H. Forouzanfar, G.R. Fowkes, R. Franklin, M. Fransen, M.K. Freeman, B.J. Gabbe, S.E. Gabriel, E. Gakidou, H.A. Ganatra, B. Garcia, F. Gaspari, R.F. Gillum, G. Gmel, R. Gosselin, R. Grainger, J. Groeger, F. Guillemin, D. Gunnell, R. Gupta, J. Haagsma, H. Hagan, Y.A. Halasa, W. Hall, D. Haring, J.M. Haro, J.E. Harrison, R. Havmoeller, R.J. Hay, H. Higashi, C. Hill, B. Hoen, H. Hoffman, P.J. Hotez, D. Hoy, J.J. Huang, S.E. Ibeanusi, K.H. Jacobsen, S.L. James, D. Javis, R. Jarsrasaria, S. Jayaraman, N. Johns, J.B. Jonas, G. Karthikeyan, N. Kassebaum, N. Kawakami, A. Keren, J.P. Khoo, C.H. King, L.M. Knowlton, O. Kobusingye, A. Koranteng, R. Krishnamurthi, R. Lalloo, L.L. Laslett, T. Lathlean, J.L. Leasher, Y.Y. Lee, J. Leigh, S.S. Lim, E. Limb, J.K. Lin, M. Lipnick, S.E. Lipshultz, W. Liu, M. Loane, S. Lockett Ohno, R. Lyons, J. Ma, J. Mabweijano, M.F. Maclntyre, R. Malekzadeh, L. Mallinger, S. Manivannan, W. Marcenes, L. March, D.J. Margolis, G.B. Marks, R. Marks, A. Matsumori, R. Matzopoulos, B.M. Mayosi, J.H. McAnulty, M.M. McDermott, N. McGill, J. McGrath, M.E. Medina-Mora, M. Meltzer, G.A. Mensah, T.R. Merriman, A.C. Meyer, V. Miglioli, M. Miller, T.R. Miller, P.B. Mitchell, A.O. Mocumbi, T.E. Moffitt, A.A. Mokdad, L. Monsata, M. Montico, M. Moradi-Lakeh, A. Moran, L. Morawska, R. Mori, M.E. Murdoch, M.K. Mwaniki, K. Naidoo, M.N. Nair, L. Naldi, K.M.V. Narayan, P.K. Nelson, R.G. Nelson, M. Nevitt, C.R. Newton, S. Nolte, P. Norman, R. Norman, M. O'Donnell, S. O'Hanlon, C. Olives, S.B. Omer, K. Ortblad, R. Osborne, D. Ozgediz, A. Page, B. Pahari, J.D. Pandian, A.P. Rivero, S.B. Patten, N. Pearce, R.P. Padilla, F. Perez-Ruiz, N. Perico, K. Pesudovs, D. Phillips, M.R. Phillips, K. Pierce, S. Pion, G.V. Polanczyk, S. Polinder, C.A. Pope III, S. Popova, E. Porrini, F. Pourmalek, M. Prince, R.L. Pullan, K.D. Ramaiah, D. Ranganathan, H. Razavi, M. Regan, J.T. Rehm, D.B. Rein, G. Remuzzi, K. Richardson, F.P. Rivara, T. Roberts, C. Robinson, F. Rodriguez De Leon, L. Ronfani, R. Room, L.C. Rosenfeld, L. Rushton, R.L. Sacco, S. Saha, U. Sampson, L. Sanchez-Riera, E. Sanman, D.C. Schwebel, J.G. Scott, M. Segui-Gomez, S. Shahraz, D.S. Shepard, H. Shin, R. Shivakoti, D. Singh, G.M. Singh, J.A. Singh, J. Singleton, D.A. Sleet, K. Sliwa, E. Smith, J.L. Smith, N.J.C. Stapelberg, A. Steer, T. Steiner, W.A. Stalk, L.J. Stovner, C. Sudfeld, S. Syed, G. Tamburlini, M. Tavakkoli, H.R. Taylor, J.A. Taylor, W.J. Taylor, B. Thomas, W.M. Thomson, G.D. Thurston, I.M. Tleyjeh, M. Tonelli, J.A. Towbin, T. Truelsen, M.K. Tsilimbaris, C. Ubeda, E.A. Undurranga, M.J. van der Werf, J. van Os, M.S. Vavilala, N. Venketasubramanian, M. Wang, W. Wang, K. Watt, D.J. Weatherall, M.A. Weinstock, R. Weintraub, M.G. Weisskopf, M.M. Weissman, R.A. White, H. Whiteford, S.T. Wiersma, J.D. Wilkinson, H.C. Williams, S.R.M. Williams, E. Witt, F. Wolfe, A.D. Woolf, S. Wulf, P.H. Yeh, A.K.M. Zaidi, Z.J. Zheng, D. Zonies, A.D. Lopez, and C.J.L. Murray Years lived with disability (YLDs) for 1160 sequelae of 289 diseases and injuries 1990-2010: A systematic analysis for the Global Burden of Disease Study 2010 Lancet 380 2012 2163 2196
105. G. Waddell 1987 Volvo award in clinical sciences: A new clinical model for the treatment of low-back pain Spine 12 1987 632 644
106. B.F. Walker The prevalence of low back pain: A systematic review of the literature from 1966 to 1988 J Spinal Disord 13 2000 205 217
107. T.L. Wallwork, W.R. Stanton, M. Freke, and J.A. Hides The effect of chronic low back pain on size and contraction of the lumbar multifidus muscle Man Ther 14 2009 496 500
108. T. Wessels, M. van Tulder, T. Sigl, T. Ewert, H. Limm, and G. Stucki What predicts outcome in non-operative treatments of chronic low back pain? A systematic review Eur Spine J 15 2006 1633 1644
109. J.L. Whittaker, and M. Stokes Ultrasound imaging and muscle function J Orthop Sports Phys Ther 41 2011 572 580
110. J.L. Whittaker, D.S. Teyhen, J.M. Elliott, K. Cook, H.M. Langevin, H.H. Dahl, and M. Stokes Rehabilitative ultrasound imaging: Understanding the technology and its applications J Orthop Sports Phys Ther 37 2007 434 449
111. M.J. Willemink, H.W. van Es, P.H. Helmhout, A.L. Diederik, J.C. Kelder, and J.P.M. van Heesewijk The effects of dynamic isolated lumbar extensor training on lumbar multifidus functional cross-sectional area and functional status of patients with chronic nonspecific low back pain Spine 37 2012 E1651 E1658
112. J.M. Williams, I. Haq, and R.Y. Lee An investigation into the onset, pattern, and effects of pain relief on lumbar extensor electromyography in people with acute and chronic low back pain J Manipulative Physiol Ther 36 2013 91 100
113. A.Y. Wong, G. Kawchuk, E.C. Parent, and N. Prasad Repeatability of instrumented spinal stiffness measurements using a mechanical indentation device in individuals with and without low back pain Man Ther 18 2013 395 402
114. A.Y.L. Wong, E. Parent, and G. Kawchuk Reliability of 2 ultrasonic imaging analysis methods in quantifying lumbar multifidus thickness J Orthop Sports Phys Ther 43 2013 251 262
115. A.Y.L. Wong, E.C. Parent, M. Funabashi, T.R. Stanton, and G.N. Kawchuk Do various baseline characteristics of transversus abdominis and lumbar multifidus predict clinical outcomes in non-specific low back pain? A systematic review Pain 2013 [Epub ahead of print]
116. K.A. Zielinski, S.M. Henry, R.H. Ouellette-Morton, and M.J. DeSamo Lumbar multifidus muscle thickness does not predict patients with low back pain who improve with trunk stabilization exercises Arch Phys Med Rehabil 94 2013 1132 1138