Which exercises are most effective for your pecs? What to know.

Feeling sore after a hard run—particularly when the pain sets in days later, as in the case of delayed onset muscle soreness (DOMS)—is common for even the most experienced runners. It’s a bad-good ...

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 ...