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, vol. 2, no. 3, 2022, pp. 64-75. 10.61186/jspac.32440.2.3.64