ا.م.د انتصار مزهر صدام ا.م.د انتصار مزهر صدام. The Effectiveness of Training Using a Variable Dynamic Resistance Belt in Developing Explosive Strength in Long Jump Athletes in the Youth Category. wjoss 2025, 26 (4), 450-465. https://doi.org/10.31185/wjoss.1088.