David Corenswet ate 4,500 calories a day and gained 40 pounds to bulk up for Superman. While Corenswet’s diet matched his training, a dietitian shares how this may not be sustainable for most.

The supplement creatine is having a moment. It's all over social media, and it even has top docs buzzing. Once mostly used by ...

Fitness expert Lia Bartha explains whether Pilates or strength training is best for women 50+ seeking longevity, strength, ...

The Best and Worst Chest Exercises, According to a Trainer originally appeared on Men's Fitness. Chest day is sacred. But if ...

Walking activates your slow-twitch muscle fibers, which build muscular endurance and resistance to fatigue, as opposed to ...

Adding more weight lifting sets to your workout routine can help build strength and muscle—but only up to a certain point, ...

Building muscle you can see requires strength training, cardio exercise and the right diet. Follow these expert tips to start ...

Stronger arms after 40? A celebrity trainer explains how to do it right—no ego lifting, just smarter full-body training.

Catch up on Tyron Smith’s early months of retirement, including his work with a fellow first-round Cowboys left tackle.

Many people still believe that building muscle means living at the gym and constantly training. Fresh evidence shows it's ...