Chest day is sacred. But if you're just benching and hoping for the best, you're leaving serious gains on the table. Your chest is a complex group that responds differently depending on the angle, ...

Curious how to build pecs? With these 10 muscle-building moves, you’ll be well on your way to a superhuman physique. “While the bodybuilding approach of ‘chest day’ is conventional wisdom, it may not ...

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 ...