IMPACT OF HIGH-INTENSITY INTERVAL TRAINING (HIIT) ON CARDIOVASCULAR ENDURANCE IN ADOLESCENT ATHLETES. World Bulletin of Physical Education and Sports Science, [S. l.], v. 1, n. 1, p. 9–13, 2025. Disponível em: https://worldbulletin.org/index.php/2/article/view/8. Acesso em: 12 nov. 2025.