15-Minute Workout: LIFT MORE, LOSE MORE! A study published in Medicine & Science in Sports & Exercise 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.

Reasons to be fit

15-Minute Workout: LIFT MORE, LOSE MORE! A study published in Medicine & Science in Sports & Exercise 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.

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