فهرس المقالات standing jump power حرية الوصول المقاله صفحة الملخص نص كامل 1 - The effect of supplementation of HMB (beta-hydroxy betamethyl butyrate) and plyometric exercises on performance and body composition of elite parkour athletes in Tehran Abdolrasoul Daneshjoo Motahare Ghane Morteza Ahmadi 10.61186/jspac.32440.2.3.64