M7-1004 abdominal crunch adopts innovative regulation cushion and abandons adjustable seat, so adjustment is unnecessary now. Back cushion can stabilize pelvis, so the separation of abdominal muscles is more obvious. What's more, adjustable leg support is suitable for users of different stature.
1. The best initial position of back can effectively stretch abdomen.
2. The unique and professional design of simultaneous movement of thigh can achieve the best shrink effect of abdominal muscles.
1. Exercise rectus abdominis.
2. Nurse and prevent problems of spine and joint.