zzz-R5 All Access Gymnastics Drillszzz-VideosRO Entry Vaulting Drills | R5 All Access | Gymnastics TrainingBy Jason MacDonald - October 30, 201705845FacebookTwitterPinterestWhatsApp R5 AllAccess: Brian Zook from Gym America walks our athletes at High Tech Camp through some drills to help improve the head position, core tightness and arm position in the round off entry vault (Yurchenko).