Running technique is more effective than soccer-specific training for improving the sprint and agility performances with ball possession of prepubescent soccer players - Lupo, C.; Ungureanu, A.; Varalda, M.; Brustio, P. (Biology of Sport, 2019)
Keywords: soccer; training; training effect; long-term performance build-up; junior elite sport; child; test; running; Poland; training science; sport games; junior sports