SMOŁA, E.; WÓDKA, K.; BIBRO, M. A.; JANKOWICZ-SZYMAŃSKA, A. Flexibility of the hamstring muscles and the position of the trunk in boys training football. Health Promotion & Physical Activity, [S. l.], v. 15, n. 2, p. 9–14, 2021. DOI: 10.5604/01.3001.0014.9505. Disponível em: https://journals.anstar.edu.pl/index.php/hppa/article/view/21. Acesso em: 3 jul. 2024.