Stability Ball Altern ating Crunch
Sit on ball and form flat platform with your back. The ball should be just above the small of your back. Cross your arms on your chest. Do a sit-up, hold for one second at peak and contract your abs then come back down. Then come up to the left side, then center, then right side and so continue the same rotation.
Do 2 sets of 25 reps
출처 : 소도구 메디컬트레이닝 코리아 (소도구 재활운동학회)
글쓴이 : 강사 이영진 원글보기
메모 :