Working your upper body, and particularly your chest muscles, at the gym can become a slog, churning out countless press-ups before moving on to the next muscle group. But our chest muscles are ...

Pain is always disconcerting regardless of where it occurs, but it can be especially worrisome if it emanates from the left ...

Want to up your cardio game? Trainers explain how to strengthen intercostal muscles, which are the muscles that help you breathe better. Known as your “intercostal muscles,” your breathing muscles are ...

I have been having pains and discomfort in my chest area for over a month now. I am a woman and in my early 30s. My doctor ...

Trim your waist with 5 joint-friendly standing moves that target obliques, boost calorie burn, and tighten your core after 40.

At the end of 60 days, both participants put each side to the test. Unsurprisingly, Ethier’s heavy side excelled at low-rep strength, while his light side showed better muscular endurance at higher ...

"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.

The bench press is a strength training exercise for your upper body. To do it, you'll need free weights or a barbell with weight plates. Although it looks like a simple move, you'll need to learn ...

After sitting most of the day at a desk, where I may or may not have the best posture, my chest and upper back are tight and achy. Maybe you can relate? Luckily, that's where upper-body stretches come ...