Gesundheit & Fitness
LIFT MORE TO LOSE MORE! Lift Heavier Weights! A recent study showed that women who lifted a challenging weight for eight reps burned nearly twice as many calories as women who knocked out 15 reps with lighter dumbbells. This routine uses "burn-out sets" to make you stronger and firmer
Quelle : http://www.womenshealthmag.com/fitness/lift-heavy-
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