Shoulder instability occurs when the arm’s ball joint moves in and out of the shoulder socket joint. Chronically unstable shoulders can lead to loose shoulder joints that slip out of place repeatedly.

Painful shoulder conditions, such as shoulder arthritis and rotator cuff tears, are common. Treatments such as medications, physical therapy, and steroid injections can help, but sometimes surgical ...

Potential symptoms of failed shoulder surgery include persistent pain, swelling, tenderness, joint instability, and reduced range of motion. A person may continue having the symptoms they had before ...