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 ...

TJ Watt suffered a significant injury during the Pittsburgh Steelers’ win over the Cincinnati Bengals on Sunday, and the question now is whether the star pass-rusher will play again this season. Watt ...

Jon Jones, current UFC heavyweight champion, has pulled out of UFC 295 with an injury. His title fight with Stipe Miocic has been called off and is being replaced at the top of the UFC 295 lineup. UFC ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." You don’t necessarily need a bulky set of dumbbells to get the chest muscle activation you seek.