Training Based on Pulse and Lactic Acid Concentration to Develop Specific Speed Endurance in Swimmers and Achieve the 100m Backstroke. Damu Journal of Sport Sciences, [S. l.], v. 3, n. 3, p. 117–127, 2026. DOI: 10.64002/5yjp7h56. Disponível em: https://damujss.com/index.php/home/article/view/562.. Acesso em: 27 jun. 2026.