Knee instability in women often due to patellar subluxation causes discomfort Learn about causes symptoms and prevention tips for healthy knees ...

Some of the most common symptoms of PFPS include ... and softening of the cartilage on the underside of the patella (kneecap). Pain occurs when the thigh bone and kneecap rub together.

In more extreme situations, a specific surgical procedure may be needed to help relieve the pain. If the cartilage under the soccer player's kneecap is fragmented and causing mechanical symptoms ...