The effect of special exercises using the Vertimax device to develop muscle strength and some basic skills for football players under (20) years old. Damu Journal of Sport Sciences, [S. l.], v. 3, n. 3, p. 153–160, 2026. DOI: 10.64002/z45ed361. Disponível em: https://damujss.com/index.php/home/article/view/565.. Acesso em: 27 jun. 2026.