Muscle or tendon strain. Repeated activities can put strain on the muscles, tendons, and ligaments that support the hips. When they become inflamed due to overuse, they can cause pain and prevent the hip from working normally.
Hip labral tear. This is a rip in the ring of cartilage (called the labrum) that follows the outside rim of the socket of your hip joint. Along with cushioning your hip joint, your labrum acts like a rubber seal or gasket to help hold the ball at the top of your thighbone securely within your hip socket. Athletes and people who perform repetitive twisting movements are at higher risk of developing this problem.
Cancers. Tumors that start in the bone or that spread to the bone can cause pain in the hips, as well as in other bones of the body.
Avascular necrosis (also called osteonecrosis). This condition happens when blood flow to the hip bone slows and the bone tissue dies. Although it can affect other bones, avascular necrosis most often happens in the hip. It can be caused by a hip fracture or dislocation, or from the long-term use of high-dose steroi...