Analysis of the period of admission to gyms according to sex and age group. Research, Society and Development, [S. l.], v. 14, n. 4, p. e1314448437, 2025. DOI: 10.33448/rsd-v14i4.48437. Disponível em: https://ojs34.rsdjournal.org/index.php/rsd/article/view/48437. Acesso em: 28 jun. 2025.