Rofi’ Nurul ‘Aini et al. 2026. Efficacy of Diaphragmatic Breathing and Balloon-Blowing Load Exercises in Improving Lung Capacity Among Athlete Runners. Bulletin of Community Engagement. 6, 2 (Jul. 2026), 202–213. DOI:https://doi.org/10.51278/bce.v6i2.2626.