Women's Health

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Set your feet shoulder-width apart and turn out your toes. With hands on hips, squat until your knees reach 90 degrees, keeping your body upright and knees behind toes. Drive your tailbone to the floor. Press up to start, and repeat. Make it harder: Hold 5- to 10-pound dumbbells to add weight, or press onto your toes at the finish to target calves.