Adding a stability ball makes an ab workout even more challenging. In this video, fitness expert Kristin McGee demonstrates how you can do the Jumping Jack Reach move on a stability ball to tighten your core and boost your energy.
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Author Clint Nielsen
Clint is a dad and husband trying to stay in shape. He's also a highly opinionated fitness enthusiast and author of Reveal The Steel. Follow him on: Instagram, Twitter, Facebook and Google+