Crunch
Skill Tree
Technique
- Lie on your back with your knees bent and your feet flat on the floor, hands crossed on your chest or beside your head.
- Contract your Abs to curl your upper back off the ground.
- Lower back down with control.
Form tips
- The lower back keeps contact with the ground the whole time.
- Do not pull on your head or neck with your hands.
Risks
- High-reps flexion of the spine might cause issues over time. Use this exercise only as a first step towards more effective Abs exercises.