The effect of active warm-up and stretching on the flexibility of adolescent soccer players - Zakas, A.; Grammatikopoulou, M. G.; Zakas, N.; Zahariadis, P.; Vamvakoudis, E. (The Journal of Sports Medicine and Physical Fitness, 2006)
Keywords: soccer; youth; junior elite sport; warming-up; stretching; relation; flexibility; Italy; sport games; junior sports