Kneecap Pain & Dislocation
G2: Your Go-To Knee Doctors in Richmond, VA
Common Causes of Kneecap Pain
Mal-alignment and Mal-tracking
The kneecap normally slides in a groove in the thigh bone as the knee bends and straightens. If the kneecap is improperly tilted or not lined up correctly in the groove, pain can occur.
With maltracking, the kneecap partially comes out of the groove as the knee is bent and straightened. This is called subluxation, and it can cause pain and a sense of “giving-way.” Some people are born predisposed to developing these conditions, while others develop it as a result of injury or muscular weakness.
In cases of malalignment, the attachment between the kneecap and the shin bone is out of alignment. This can cause excess stress under the kneecap. In more severe cases the entire lower leg can be out of alignment.
Treatment for maltracking and malalignment varies depending on the patient. It may involve physical therapy with stretching and strengthening exercises, selective taping, and/or bracing, or if symptoms continue, arthroscopic surgery may be needed to repair the joint.
A dislocation occurs when the kneecap completely comes out of the groove. This stretches or tears the ligaments that normally keep the kneecap in its proper location. Occasionally, as the kneecap dislocates, an area of cartilage or bone can become chipped. In these cases, arthroscopic surgery is necessary to remove or replace this loose piece. If there is not a loose piece, then the dislocation can often be treated with a brace that keeps the knee straight for several weeks, which allows the ligaments to heal. This is followed by an exercise program to strengthen the muscles, which further stabilizes the kneecap.
If the kneecap continues to dislocate, then surgical reconstruction can be performed to prevent further pain and injury. This reconstruction would include an MPFL Reconstruction. A Fulkerson osteotomy may have to be added if there is underlying malalignment.
The first step to resolving your knee pain is to schedule an appointment to see the knee doctors at G2 Orthopedics and Sports Medicine in Richmond, VA.