DEVELOPMENT OF EXPLOSIVE POWER USING WEIGHTS IN A HIERARCHICAL MANNER AND ITS EFFECT ON IMPROVING THE VALUES OF SOME BIOKINEMATIC VARIABLES AND THE TECHNICAL PERFORMANCE OF THE LONG JUMP. (2026). Proximus Journal of Sports Science and Physical Education, 3(05), 40-47. https://proximusjournal.com/index.php/PJSSPE/article/view/406