Intermediate crunch on a BOSU
Instructions
- Place the center of your back near the center of the ball; knees at 90 degrees and hand resting on the back of your head.
- Roll up through your back and come up to about 90 degrees with your knees. Focus on using your abdominals to pull you up, rather than momentum or the bounce of the BOSU.
- Do not pull with your arms or head. Think about rolling through your spine to your chest.
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