A kneecap becomes dislocated when the patella bone, which sits at the front of the knee, comes out of position. In the process, the connective tissues that hold the bone in place may stretch and tear.
Lateral hip pain is pain that affects the outer side of the hip. Pain in this area can develop suddenly or gradually. Both injury and overuse can cause pain in the outer hip area. People use their hips constantly while walking, sitting, and moving throughout the day. As a result, hip pain is a common problem.