Lesmana, I., Hermanzoni, H., Argantos, A. and Yenes, R. 2025. The Effect of Dumble Weight Training and Spring Strength Training on Speed Jab’s Punch . International Martial Arts and Culture Journal. 3, 1 (May 2025), 140–145. DOI:https://doi.org/10.24036/imacj29019.