A fun way to rev up your workout is to combine movements that raise your heart rate while working your legs and core. Try this move in a wide-open area.
-- Karen Voight
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1 Stand with your legs shoulder-width apart and your toes facing forward. Hold a 5-pound dumbbell in front of your chest with arms straight out and a hand on each end of the dumbbell. Bend your knees into a squat and rotate your upper body to the right, keeping both arms straight and your knees facing front.
