One of the unsung heroes of dumbbell exercises, the lying rear delt fly not only strengthens your shoulder muscles but also helps prevent shoulder injuries. Mastering this exercise will bolster ...

'The rear delts (known as the posterior deltoids) are the muscles on the backside of the shoulders,' says Macy Pruett, CPT, a ...

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 ...