BodyWatch

DEFY YOUR AGE

What's Courteney Cox Arquette's secret to turning back the clock? Cardio and weight-training sessions five times a week. "After you turn 25, women start to lose muscle mass and your metabolism lowers," explains Arquette's trainer, Michelle Lovitt. "You basically offset age with exercise." The 44-year-old, who has daughter Coco, 4, retains her muscle mass by running, hiking and doing total-body exercises, including squats with a punch. "She just wants to be a fit and healthy mom." Learn some moves to age-proof your body on Health.com. – Jenny Sundel