That is an exercise I accustomed to do with my soccer athletes. It’s a marvelous exercise that concentrates on stability when you push your knee as a result of and up toward your chest, which is why I recommend it for anybody who runs – oh wait around, that’s all https://econopass.com/health-and-fitness/fitness-zone/fitness-effective-workouts/10-effective-exercises-building-lifelong-core-strength-without-planks/