You may have heard of the scapula before, though it is more commonly called the shoulder blade. Scapulas play a very important role in the way your arms, shoulders, and back move. The scapula is a ...

Medically reviewed by Mallory Christopherson, DC Key Takeaways The shoulder joint is made up of four joints that work together for movement and stability.The rotator cuff, which includes four muscles, ...

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 ...