Wen CP, Wai JP, Tsai MK, Yang YC, Cheng TY, Lee MC, Chan HT, Tsao CK, Tsai SP, Wu X. Minimum amount of physical activity for reduced mortality and extended life expectancy: a prospective cohort study. Lancet. 2011 Oct 1;378(9798):1244-53. Epub 2011 Aug 16.
O’Sullivan PB, Phyty GD, Twomey LT, Allison GT. Evaluation of specific stabilizing exercise in the treatment of chronic low back pain
with radiologic diagnosis of spondylolysis or spondylolisthesis. Spine 1997;22:2959–2967.
Haskell WL, Lee I-M, Pate RR, Powell KE, Blair SN, Franklin BA, Macera CA, Heath GW, Thompson PD, Baumanet A. Physical Activity and Public Health: Updated Recommendation for Adults from the American
College of Sports Medicine and the American Heart Association. Medicine and Science in Sports and Exercise 2007; 39 (8), 1423-1434.
Lundberg M, Frennered K, Hägg O, Jorma SJ. The Impact of Fear-Avoidance Model Variables on Disability in Patients With Specific- or Non-Specific Chronic Low Back Pain. Spine 2011, POST ACCEPTANCE, 17 January 2011 doi: 10.1097/BRS.0b013e3181f61660