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 ...

From Flat to Fab: Benefits of Chest Fly for a Defined Chest: By Riya Raj Want to give your pecs a serious pump without the boredom of endless bench presses? Enter the world of the benefits of chest ...

This hybrid dip variation shifts tension away from your shoulders and triceps, helping you hit your chest harder ...

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 ...

Your pectoralis major is a large and powerful chest muscle that’s shaped like a fan. It starts from two sections: your breastbone (sternum) and your collarbone (clavicle). The two sections come ...

Strength training can often seem complex, but this expert says these are the only 6 moves you need to do to target the ...