NACLERIO AYLLÓN, F.; FORTE FERNÁNDEZ, D. The abdominal muscles function and training: A scientific approach. Journal of Human Sport and Exercise, [S. l.], v. 1, n. 1, p. 15–23, 2008. DOI: 10.4100/jhse.2006.11.03. Disponível em: https://www.jhse.ua.es/article/view/2006-v1-n1-funcion-y-entrenamiento-de-la-musculatura-abdominal-u. Acesso em: 22 jun. 2024.