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 ...

Most people never think about the chest wall until something goes wrong with it. It shields the heart and lungs, supports the mechanics of every breath, and gives the upper body much of its shape and ...

Please provide your email address to receive an email when new articles are posted on . Patients with COVID-19 who died had lower pectoralis muscle cross-sectional area on CT scans compared with ...