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The effects of postural difficulty conditions on variability of joint kinematic patterns during sit to stand task in normals and patients with non-specific chronic low back pain
, Article 2011 1st Middle East Conference on Biomedical Engineering, MECBME 2011, 21 February 2011 through 24 February 2011, Sharjah ; 2011 , Pages 300-303 ; 9781424470006 (ISBN) ; Negahban, H ; Yazdi, M. J. S ; Salehi, R ; Mehravar, M ; Parnianpour, M ; Sharif University of Technology
2011
Abstract
Sit to stand (STS) is one of the most important activities of daily living that is shown to be affected in low back pain (LBP) patients. It requires a fundamental coordination action among all segments (DOFs) of the body in order to control important performance variables such as body's center of mass (CM) within base of support (BOS). In this study, possible differences in joint coordination and variability patterns between chronic LBP and healthy control subjects were investigated during STS task. Eleven adults with nonspecific chronic LBP and 12 healthy controls were recruited in the study. The participants performed the task in 3 exerimental conditions including: rigid surface, open eyes...