THE EFFECT OF PLYOMETRIC TRAINING ON DEVELOPING THE SPEED-SPECIFIC STRENGTH OF THE UPPER AND LOWER LIMB MUSCLES AND THE ACHIEVEMENT OF YOUNG JAVELIN THROWERS. PJSSPE [Internet]. 2024 Oct. 11 [cited 2024 Nov. 19];1(10):9-17. Available from: https://proximusjournal.com/index.php/PJSSPE/article/view/133