Reversing Disc Protrusions, McKenzie Mostly Correct in Theory

Disc prolapse: evidence of reversal with repeated extension. Scannell JP, McGill SM. Spine (Phila Pa 1976). 2009 Feb 15;34(4):344-50. Abstract STUDY DESIGN: A basic science study that used a porcine cervical spine model to produce disc prolapse subsequently exposed to an extension protocol. OBJECTIVE: This study investigated whether extension or combined extension and side flexion could … Read more

McKenzie Method, Diagnosis No Better Than Treatment

McKenzie lumbar classification: inter-rater agreement by physical therapists with different levels of formal McKenzie postgraduate training. Spine (Phila Pa 1976). 2014 Feb 1;39(3):E182-90.  Werneke MW, Deutscher D, Hart DL, Stratford P, Ladin J, Weinberg J, Herbowy S, Resnik L. Abstract STUDY DESIGN: Inter-rater chance-corrected agreement study. OBJECTIVE: The aim was to examine the association between … Read more

Strength Training, Function and Low Back Pain.

The influence of periodized resistance training on recreationally active males with chronic nonspecific low back pain. J Strength Cond Res. 2011 Jan;25(1):242-51. Jackson JK, Shepherd TR, Kell RT. From the study: Abstract The most common musculoskeletal health issue is chronic nonspecific low back pain (CLBP). CLBP increases pain and disability, which reduces quality of life … Read more

Low Back Pain: Cyclic and Static Spine Flexion Both Bad for the Back

Human lumbar spine creep during cyclic and static flexion: creep rate, biomechanics, and facet joint capsule strain. Ann Biomed Eng. 2005 Mar;33(3):391-401. From the study: Abstract There is a high incidence of low back pain (LBP) associated with occupations requiring sustained and/or repetitive lumbar flexion (SLF and RLF, respectively), which cause creep of the viscoelastic … Read more