Brace · Bodyweight · Learn first
Crunch
Lie on your back, knees bent, feet down, hands light at the temples.
- 1Curl the ribs toward the pelvis. The low back stays down.
- 2Exhale as you rise a few inches.
- 3Lower until the shoulder blades touch, then go again.
Easy to miss: Yanking the neck forward with the hands.