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 toning the upper body, the biceps and triceps may get all the love, but chest exercises shouldn’t be overlooked. Chest workouts offer a variety of benefits from building strength to ...

The breasts lie on top of the chest wall and over the pectoral muscles. They contain glands, lobules, fatty tissue, and other structures. Milk ducts lead to the nipples, which are surrounded by a ...