Do you want to change the shape of your body through exercise? Or maybe you’re an athlete who wants to improve your swing or throw. If so, building your chest muscles can help achieve these results.

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 ...

South Carolina Gamecocks running back MarShawn Lloyd lifts weights during a workout. Weightlifters have to watch out for an injury to the pectoralis major muscle. Jeff Blake The State Q. I was working ...

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 ...