“High-Intensity Interval Training (HIIT): Impacts on Cardiovascular Fitness and Muscle Development” (2024) Revista de Psicología del Deporte (Journal of Sport Psychology), 33(2), pp. 210–219. Available at: https://rpd-online.com/manuscript/index.php/rpd/article/view/1714 (Accessed: 10 June 2026).