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 ...

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 ...

Medically reviewed by Sanja Jelic, MD Key Takeaways The diaphragm is the main muscle used for breathing. The diaphragm helps with digestion and movements like bowel movements and urination.

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 ...

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 ...