Women's Health

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Grab a pair of dumbbells and hold them, arms bent, in front of your shoulders with palms facing each other. Position your feet shoulder-width apart, then quickly lower your hips until your thighs are parallel to the floor (A). Explode back up and push the dumbbells above your head until your arms are straight (B). Hold for one second, then lower the dumbbells as you squat back down.