Crunches

Core · Bodyweight

How to do it

On your back with knees bent and hands on your chest or temples without pulling on your neck. **Bring your sternum towards your pelvis** by curling the spine, lift only until your shoulder blades leave the floor, and lower under control. The range is short on purpose: a crunch is not a full sit-up. You feel the upper abdomen. The classic mistake is yanking your head with your hands.

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