Crunch (Bodyweight)

Also known as: Crunch (Bodyweight).

Basic ab crunch

How to perform this exercise

1. Lie on the back with knees bent, feet grounded and hands loosely across the chest or beside the head.
2. Draw the ribs toward the pelvis and curl only the shoulders and upper back a short distance upward without pulling on the head.
3. Lower the upper back slowly; do not turn the movement into a full sit-up.