But, let's be honest, how much attention do you give to the back part? That small yet mighty section known as the posterior deltoid. If your answer is "not much" or "almost none," don't worry, it's a ...

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 ...

For the past couple of years, we’ve all spent a lot of time at home hunched over a computer or a mobile phone as we work from the comfort of our homes. Sometimes, your posture can suffer from that ...

When your upper body workouts come around, your mind probably jumps to biceps, triceps, and back. But wait! You're missing a major muscle group that (unfortunately) often goes unnoticed: rear delts.

The deltoids are the muscles that cover the front, back and side of the shoulder joint — and they are essential for everyday movements like raising your arms, lifting a child or carrying groceries.

Beth Skwarecki is Lifehacker’s Senior Health Editor and has been writing about health, fitness, and science here since 2015. Beth was the recipient of the 2017 Carnegie Science Award in science ...

ATHLEAN-X founder Jeff Cavaliere unpacked his most effective two-part, full-body workout to help anyone achieve their fitness ...