The rotator cuff refers to a group of four muscles and their tendons, which form a supportive cuff where the upper arm bone joins the shoulder bone. Rotator cuff injury is a general term used to describe irritation, inflammation, or a tear to any of these muscles or tendons.…

The shoulder joint is surrounded by a fluid-filled capsule that holds fluid within the joint space. In frozen shoulder, the capsule thickens and swells due to the formation of bands of scar tissue within it. The joint becomes inflamed, painful and stiff and moves less freely.…

In cervical radiculopathy, a nerve in your neck (the cervical spine) becomes pinched. This can affect nerves that travel to your arms, shoulder and hands, causing weakness, numbness, pins and needles or pain.…

Psoriatic arthritis occurs in people with psoriasis, an autoimmune condition that can affect the skin, nails and joints. In psoriatic arthritis, one or more joints become stiff, swollen and painful. Early treatment makes living with the condition much easier.…

Shoulder pain is a common symptom. As the body’s most mobile joint, the shoulder comes under a great deal of stress throughout a lifetime. An overuse of shoulder muscles and tendons is a common cause of shoulder pain. Modifying certain activities can help prevent further shoulder pain.…

Rheumatoid arthritis is an autoimmune condition that causes inflammation of the lining of joints, resulting in swelling, pain, stiffness and, over time, gradual joint damage. Fortunately, early treatment and appropriate physical activity can improve quality of life.…