Repost from @backpaintip • An old standby for ensuring co-coordination of the hamstrings, gastrocs, and glutes for dynamic athletes. 📢Find this helpful? Share it with your friends! 🔔Turn on post notifications so you never miss a post! @kevinkirschdpt #coretraining #physicaltherapy #youthsports #jumptraining #lowbackpain #spondylolithesis #athlete #youthathlete #bluedoorlife #ACL #ACLrehab #kneepain #running #sprinting #volleyball #sportsperformance #boulder #onlinetraining #weightlifting #acceleration #speedtraining