Effects of Implementing a Training Program to Develop Cardiorespiratory and Muscular Endurance in Volunteers from the Second and Third Companies of the Villa Alegre Fire Department: Effects of Implementing a Training Program to Develop Cardiorespiratory and Muscular Endurance in Volunteers from the Second and Third Companies of the Villa Alegre Fire Department. (2026). Revista Chilena De Rehabilitación Y Actividad Física, 6(1), 17. https://doi.org/10.32457/reaf.v6.3515