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Intermediate
Abs
Crunch (on Stability Ball, Arms Straight)
This exercise works your stomach muscles and hips using a stability ball. Because the ball is unsteady, your body has to work harder to keep you balanced.
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How to Perform
- 1Sit on the ball with your feet flat on the floor and your knees bent.
- 2Lean back until the ball supports your lower back and your upper body is flat like a table.
- 3Put your hands behind your head or cross them over your chest.
- 4Tighten your stomach muscles and lift your upper body, bringing your shoulders toward your hips.
- 5Stop for a second at the top, then slowly lower your body back to where you started.
- 6Do this as many times as you need to.
Exercise Info
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