Cortis, Cristina, Giuseppe Francesco Giancotti, Santiago Alfaro Sanhueza, Angelo Rodio, and Laura Capranica. “Evaluation of the Internal Training Load in Fitness Activities: Preliminary Results”. Italian Journal of Anatomy and Embryology 118, no. 2 (January 13, 2014): 64. Accessed April 28, 2024. https://oajournals.fupress.net/index.php/ijae/article/view/3558.