'The rear delts (known as the posterior deltoids) are the muscles on the backside of the shoulders,' says Macy Pruett, CPT, a ...
such as rows and pull-ups. Bent over dumbbell flies open up your chest and work your shoulders, rear deltoids, and your main ...
Throw this rear delt smashing 'mechanical drop set' in at ... Maintaining a flat back, row both dumbbells towards your torso (B), squeeze your shoulder blades together and lower under control ...