Validez del test sit-and-reach unilateral como criterio de extensibilidad isquiosural. Comparación con otros protocolos. (Validity of the unilateral sit-and-reach test as measure of hamstring muscle extensibility. Comparison with other protocols). CCD [Internet]. 2013 Mar. 8 [cited 2026 Oct. 7];3(8):87-92. Available from: https://ccd.ucam.edu/index.php/revista/article/view/199