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 ...

The rotator cuff is a set of muscles that helps the arm and shoulder move. Injuries to the rotator cuff are fairly common, but many effective treatments are available. These muscles work together to ...

In late 2023, I felt an unexpected twitch in my right shoulder while exercising. The discomfort was mild at first, so I ignored it, but it gradually worsened into a persistent ache. Raising my right ...