Ball and socket joints allow for movement in multiple directions, making them very mobile. Conditions like osteoarthritis and rheumatoid arthritis can cause pain and stiffness in ball and socket ...

An inside look at the structure of the hip. One of the body's largest weight-bearing joints, the hip is where the thigh bone meets the pelvis to form a ball-and-socket joint. The hip joint consists of ...

Joints are the areas where 2 or more bones meet. Most joints are mobile, allowing the bones to move. Joints consist of the following: Cartilage. This is a type of tissue that covers the surface of a ...