Rodríguez Toledo, Esteban, Jorge Espinoza Valdés, Felipe Rodríguez Soto, Nelson Gatica Salas, and Jaime Vásquez Gómez. “Mcardle Step Test: an Equation for Estimating the Vo2 Max. In Physical Education Student”. Revista Ciencias de la Actividad Física UCM 18, no. 2 (July 1, 2017): 1–7. Accessed November 15, 2025. https://revistacaf.ucm.cl/article/view/112.