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If you want to up your abs game, do these five out-of-the-box exercises to fire up the muscle fibers you didn’t know you had.:

Since your abs move in more ways than just planks and crunches, they need a variety of exercises to reach their full potential, and not to mention look good in a bikini. So if you want to up your abs game, do these five out-of-the-box exercises to fire up