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.

Medically reviewed by Theresa Marko, PT Rear delts help in shoulder joint stability and improve upper body strength.Cable ...

Your shoulders do a lot of work throughout the day. You need them to lift, pull, push, and reach, and even to walk and sit up straight. It’s no wonder they sometimes feel tired or tight, and may feel ...

The deltoid is a round muscle that goes around the top of your upper arm and shoulder. The main function of the deltoid is to help you lift and rotate your arm. There are three parts of the deltoid ...

Your deltoid muscles make up a main muscle group in your upper body. They’re connected with many other muscles and bones in your upper back, neck, and shoulder region and are extremely mobile. They ...

Jenessa Connor is a writer with experience writing health, fitness, and nutrition topics for publications, websites, companies, and experts in wellness spaces. Regular resistance training that engages ...