The exercises you'll include in your routine to target these posterior muscles (which include your rear delts ... your upper arms back to row the dumbbells to your chest. Emphasize the squeeze ...

The deltoid shoulder muscles play ... such as rows and pull-ups. Bent over dumbbell flies open up your chest and work your shoulders, rear deltoids, and your main pulling muscles.

Our day-to-day posture, which is typically bent over a desk, means that we rarely activate our rear delts ... your shoulders back and down and row the dumbbell back, bringing your elbow ...