Plus, exactly how to train to sculpt your muscles.

Either way, for success, you will need to approach failure.

After months (maybe years) of performing three sets of 12 reps on repeat, your muscles are likely craving a fresh—and heavier—training routine. One path forward: the 5x5 workout plan. The ...

As you get older, experts advise increasing strength training to help burn calories and keep your metabolism firing. But if ...