EFFECTS OF PLYOMETRIC TRAINING IN SAND OR RIGID SURFACE ON PHYSICAL-PERFORMANCE RESPONSES AND TESTOSTERONE CONCENTRATION IN FOOTBALL PLAYERS. Proximus Journal of Sports Science and Physical Education, [S. l.], v. 1, n. 3, p. 16–29, 2024. Disponível em: https://proximusjournal.com/index.php/PJSSPE/article/view/34.. Acesso em: 19 nov. 2024.