Motivation, anxiety, depression and stress in university athletes in times of health restrictions caused by the covid 19 pandemic. RIAF. International Journal of Physical Activity, [S. l.], v. 1, n. 2, p. 1–15, 2023. DOI: 10.53591/riaf.v1i2.184. Disponível em: https://revistas.ug.edu.ec/index.php/riaf/article/view/184. Acesso em: 5 dec. 2025.