The pectoralis major muscle originates from multiple locations, including the costal cartilage of ribs two through six, the sternum, the medial half of the clavicle and the external oblique fascia.

Giants left tackle Will Beatty tore his pectoral muscle on Wednesday, an injury that is not considered as serious as the dreaded ACL or Achilles tear, but is still serious enough to warrant a lengthy ...

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.

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 ...