Crunch - Legs On Exercise Ball

Core · Bodyweight

How to do it

Lie flat on your back with your feet resting on an exercise ball and your knees bent at a 90 degree angle. Place your feet three to four inches apart and point your toes inward so they touch. Place your hands lightly on either side of your head keeping your elbows in. Tip: Don't lock your fingers behind your head.

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