It's so tough, you probably won't be able to do it on your first try.
After 10 rounds of this sequence, as demonstrated by Emily Skye, you'll be feeling it the next day.
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Your favorite full-body move just got even better.
Sculpt your entire upper body with this one move.
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This guy is pretty strong.
Trainers emphasize a variety of moves, but for goodness sakes, don't do a crunch.
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