Put your mat away and give your neck a rest. “Standing abs exercises work more muscles than crunches—and the more muscles we use, the more calories we burn,” says Sara Haley, creator of The Daily Sweat workout DVDs
Put your mat away and give your neck a rest. “Standing abs exercises work more muscles than crunches—and the more muscles we use, the more calories we burn,” says Sara Haley, creator of The Daily Sweat workout DVDs
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