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 ...

When it comes to strength training your muscles for a sculpted, well-defined chest, you’re probably familiar with your pectoralis major muscles, the large set of muscles that stretch across the upper ...

In most cases, a strained chest muscle can be treated at home. However, it’s important to know when to call your doctor if it does happen. Overview A strained or pulled chest muscle may cause a sharp ...