Banaag, Glean Joy. “Effectiveness of Breathing and Flexibility Exercises in Enhancing Aerobic Capacity in Running”. USFD Journal of Physical Education Pedagogy & Sports Performance 2, no. 1 (January 18, 2026). Accessed February 1, 2026. https://usfd-ph.org/ojs/index.php/usfd-jpepsp/article/view/18.