How do you perform a Crunch?
- Lie on your back with your knees bent.
- Raise your feet so that your shins are parallel to the floor and your thighs are vertical.
- Place your hands behind your head with your elbows apart.
- Exhale as you lift your head and shoulders off the floor and tighten your abs.
- Bring your elbows as close to your knees as possible.
- Hold this position for a second and return to the starting position.
Common faults
- Legs not bent at 90°.
- Abdominal muscles not tight enough.
- Pulling your head too much with your hands.
- Not coming fully back to the ground with your shoulders.