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Reliability of center of pressure measures of postural stability in patients with unilateral anterior cruciate ligament injury
, Article Journal of Applied Sciences ; Volume 8, Issue 17 , 2008 , Pages 3019-3025 ; 18125654 (ISSN) ; Negahban, H ; Talebian, S ; Salavati, M ; Jafari, A. H ; Sanjari, M. A ; Mazaheri, M ; Parnianpour, M ; Sharif University of Technology
2008
Abstract
The aim of this study was to estimate the test-retest reliability of some commonly used center of pressure measures in postural control investigations of sport injuries under the diverse stressful postural conditions. Twelve patients with anterior cruciate ligament injury were evaluated on two separate sessions. The center of pressure was recorded from force platform and the following measures were calculated (1) standard deviation of amplitude (2) mean velocity (3) standard deviation of velocity (4) phase plane parameters and (5) area (95% confidence ellipse). Relative and absolute reliability was assessed using intra-class correlation coefficient and coefficient of variation, respectively....