Sit facing machine with a proud chest, shoulders back and down and hands on handles. Slowly open up with straight arms out to the side. Return to starting position. Repeat.

Medically reviewed by Theresa Marko, PT Rear delts help in shoulder joint stability and improve upper body strength.Cable ...

It's easy to focus on biceps and triceps exercises during my upper-body workout. Sometimes I even throw in some back moves. But my go-to arm routine was missing a major muscle group: rear deltoids.

In the world of fitness, the mirror-muscles—the chest, biceps, and front shoulders—tend to get all the glory. However, any seasoned strength coach in the U.S. will tell you that the true key to a ...

Your shoulders may look impressive from the front, but what about those rear delts? The rear delts are often overlooked, but they're important for building a balanced ...