IN THE AGE of peak fitness influence on social media, there's no shortage of exercises circulating your feed. While it's nice to have a vast library of movements to keep your days in the gym ...

Beth Skwarecki is Lifehacker’s Senior Health Editor, and holds certifications as a personal trainer and weightlifting coach. She has been writing about health for over 10 years. The major muscle in ...

It is what the fitness enthusiasts call a muscle pump. This temporary swelling happens when blood rushes into the working ...

TRAINING FOR YOUR target physique will always be more complicated than just hoisting some weights, flexing in the mirror, and praying for muscle growth. You'll need to follow a smart plan—and then, ...

The Best and Worst Chest Exercises, According to a Trainer originally appeared on Men's Fitness. Chest day is sacred. But if you’re just benching and hoping for the best, you’re leaving serious gains ...

THERE ARE FEW physical attributes guys care about more than a strong chest. Bulging biceps and chiseled abs round out the remainder of the torso, sure—but as anyone who's seen a superhero movie can ...

While I truly enjoy working every muscle group, strengthening my pecs isn't exactly my top priority. But here's why you shouldn't skip chest exercises. “I think that the constant fear from women when ...