Osteonecrosis of the hip is a disease that happens when blood flow to the bones in the hip joint is cut off. This causes the bone to die. And over time, the damaged joint may collapse.
The tendons of four muscles in the upper arm form the rotator cuff, blending together to help stabilize the shoulder. The rotator cuff tendons allow you to raise and rotate your arm. This video discusses what happens when these tendons are damaged.
An ankle sprain is one of the most common sports injuries. It occurs when your foot turns in on itself, stretching and weakening the ligaments that bridge the ankle and foot bones. This video explains the possible causes, recommended treatment, and what you can do to prevent a sprain.
Frozen shoulder is a painful condition that usually results in decreased range of motion of the shoulder joint. It may develop gradually or suddenly and severely. This video offers information on how frozen shoulder occurs, who's at risk, and what treatments are available.
