Causes, Symptoms, and Treatment Hip dislocation is a significant injury affecting the ball-and-socket joint of the hip. Here’s a comprehensive guide to understanding this condition: Hip Anatomy and Dislocation The hip joint comprises the femoral head (the ball) and the acetabulum (the socket), surrounded by supportive muscles, ligaments, and tendons. Dislocation occurs when the femoral head moves out of the acetabulum, either backward (posterior dislocation) or forward (anterior dislocatio...