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

THE CHEST IS a muscle group that takes up a great deal of attention for physique-minded guys. If you pause a moment to think about why, you won't need long to figure out the appeal of chest-pumping ...

If one of your fellow gymgoers invites you to work in with him on a few sets of decline presses, politely decline and head toward another bench—any other bench! Puns aside, this bench press variation ...

Building a strong, defined chest doesn’t require heavy weights or fancy machines—you can achieve an incredible pump with just your bodyweight. These no-equipment chest workouts are designed to ...

Jason Momoa was born to play a superhero. His hulking frame and long, flowing hair make him a natural fit for Aquaman in the DC Extended Universe – though he still put in serious graft in the gym to ...

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 ...

Developing bigger pectoral muscles, or "pecs," is one of the most common goals for anyone focused on building upper-body strength or improving their physique. After all, a strong, well-developed chest ...