Parraca, Jose A., Pedro R. Olivares, Ana Carbonell-Baeza, Virginia A. Aparicio, Jose C. Adsuar, and Narcis Gusi. “Test-Retest Reliability of Biodex Balance SD on Physically Active Old People”. Journal of Human Sport and Exercise 6, no. 2 (June 30, 2011): 444–451. Accessed April 23, 2024. https://www.jhse.ua.es/article/view/2011-v6-n2-test-retest-reliability-of-biodex-balance-sd-on-physi.