Exercise Ball Weighted Crunches
Combine instability and free weights for a challenging advanced crunch.
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Step 1
Begin by sitting on a exercise ball with your knees bent, your feet flat on the floor and a medicine ball in your hands.
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Step 2
Roll onto your back and lower the medicine ball behind your head with your arms extended.
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Step 3
Use your core muscles to raise the medicine ball toward the ceiling, rolling your upper body forward and up as you bring the ball in front of your chest. exhale during crunch.
