Add Yahoo as a preferred source to see more of our stories on Google. Sound interesting? Follow our guide on how to do the lying rear delt fly with form breakdowns, explanations of the muscles worked, ...

THE REAR DELTS are potentially the most neglected muscles in your upper body. That's too bad, because targeted training of these muscles can unlock the 3D shoulder shape you're likely aiming to ...

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 ...

THE REAR DELTS are potentially the most neglected muscles in your upper body. That's too bad, because targeted training of these muscles can unlock the 3D shoulder shape you're likely aiming to ...

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.

The posterior deltoids help with many pulling movements and stabilize the shoulder joints. Rowing, pull-ups, and other exercises can help to improve posterior deltoid strength. You need strong ...

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.