The Prevalence of Heart Rate Variability Monitoring Among a Sample of Habitual Runners: Direct Original Research. Journal of Exercise and Nutrition, [S. l.], v. 9, n. 1, 2026. DOI: 10.53520/jen2026.103231. Disponível em: https://www.journalofexerciseandnutrition.com/index.php/JEN/article/view/231. Acesso em: 15 apr. 2026.