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.

A well sculpted set of posterior deltoids or ‘rear delts’ give the body a thicker look that screams ‘strong AF’, and telegraphs that you don’t just spend your time in the gym polishing those mirror ...

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 ...