Rincón Rey, G.A. and Cadavid Escobar, S. 2019. Relationship between the flexibility of the hamstring and the strength of soleus muscle with jump and speed in ultimate frisbee players. Educación Física y Deporte. 36, 2 (Nov. 2019), 245–263. DOI:https://doi.org/10.17533/udea.efyd.v36n2a05.