Ghane, Motahare,  Daneshjoo, Abdolrasoul,  Ahmadi , Morteza  . The effect of supplementation of HMB (beta-hydroxy betamethyl butyrate) and plyometric exercises on performance and body composition of elite parkour athletes in Tehran .  Journal of Sports Physiology and Athletic Conditioning. 2022;2(3):64-75. 10.61186/jspac.32440.2.3.64