Learn how to identify and treat a muscle strain that leads to armpit pain. Get to know how to gauge severity and recovery timelines.

You see, to truly improve your posture, it’s important to strengthen key muscle groups on the anterior and posterior, or front and backside, of your body, Charlee explains. “The anterior side of the ...

How to do it Lie down on a bench set at a 30-degree angle, holding two dumb-bells against your chest. Press the dumb-bells up 1/4 of the way, pause for one second, then return to the start position.

Seattle right-hander Bryan Woo, who exited the Mariners' 4-0 win over the Houston Astros on Friday during his sixth-inning warmup pitches, has "minor inflammation" in his pectoral muscle and is listed ...