Validez de los test dedos-planta y dedos-suelo para la valoración de la extensibilidad isquiosural en piragüistas de categoría infantil

The validity of sit-and-reach and toe-touch scores for measuring hamstring muscle length is moderate, although girls showed higher values than boys. However, when sit-and-reach or toe-touch scores were used to measure hamstring muscle length in young canoeists, we found a greater number of false negative results in boys.