Bodyweight Exercises For Strong Abs
I'm a CrossFitter, and These Are the 12 Bodyweight Moves I Do For Strong, Defined Abs
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Why I do it: In CrossFit, we do burpees! I can always count on this full-body move to get my heart rate up and to warm up my muscles, and concentrating on jumping my feet together in a fluid motion makes it even more core-focussed.