Effects of a physical-recreational activity program on reducing sedentary behavior indicators in middle school students. RIAF. International Journal of Physical Activity, [S. l.], v. 4, n. 1, p. 74–89, 2026. DOI: 10.53591/2853. Disponível em: https://revistas.ug.edu.ec/index.php/riaf/article/view/2853. Acesso em: 10 apr. 2026.