Grab a dumbbell and give this 10-minute workout a try ...
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Your core routine needs more than crunches. Use these abs exercises to strengthen your six-pack.
Story by Brett Williams, NASM, Ebenezer Samuel, C.S.C.S. AB TRAINING SHOULD be more than just an afterthought, and the last 10 minutes of your workout routine should not be just reserved for crunches.
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