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 ...

Medically reviewed by Sanja Jelic, MD Key Takeaways The diaphragm is the main muscle used for breathing. The diaphragm helps ...

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 ...

An overview of the structure and function of the pectoral muscles. 5 revelations from the latest Jeffrey Epstein document dump by Democrats, Republicans Dad sees two words son wrote on math homework, ...

Shoulder pain can significantly interfere with your exercise activities, but you can still safely perform an upper-body workout with a shoulder injury. The rotator cuff is a group of four muscles — ...

Your armpit, also known as the axilla, contains a large collection of lymph nodes, hair follicles, and sweat glands. A number of things can cause pain in the hollow created by your chest wall, muscles ...