How Can Massage Treat Patellofemoral Syndrome Knee Pain?

Patellofemoral syndrome is a term used to describe knee pain caused by improper movement, or tracking, of the kneecap over the femur. This condition often results from muscle imbalance in the quadriceps, or thighs. Massage therapy is useful in addressing this muscular imbalance, resulting in decreased pain and increased function of the patellofemoral (knee) joint.

The patellofemoral joint specifically refers to the articulation of the femur and the patella. The patella, or knee cap, is a sesamoid bone and is located within the quadriceps tendon. The patella glides over the boney prominences of the femur, or the femoral condyles, as the quadriceps contract or tighten during extension of the knee.

The quadriceps (aka, quads or thigh muscles) is really a group of four muscles, consisting of the rectus femoris, vastus lateralis, vastus intermedius and vastus medialis. The muscular imbalance which may be one cause of patellofemoral syndrome occurs when the vastus lateralis is stronger than the vastus medialis, and pulls the kneecap to the outside of the thigh during movement. This imbalance is often seen in athletes such as runners, though it is not limited to athletes, and may be caused by posture.

Pain occurs when the quadriceps tendon tightens during movement and pulls the kneecap “off track” – meaning that the underside of the kneecap articulates improperly with the femur. If left untreated, this misalignment can cause inflammation and degeneration of the bony surfaces, eventually leading to arthritic changes.

The treatment

Massage therapy is very useful in reducing the tone and myofascial trigger points of the quadriceps, specifically that of the vastus lateralis. Trigger points in this muscle, which refer pain to the lateral thigh along the iliotibial band area, as well as the lateral knee, may contribute to altered gait. During a massage therapy treatment, the therapist will address the involved and compensating muscle groups, as well as stretching and using hydrotherapy during treatment (heat) and post treatment (ice or cold). The application of cold post treatment will assist in the reduction of inflammation in the patellofemoral joint and surrounding muscle tissue.

Another important aspect of rehabilitation is the strengthening of the vastus medialis, specifically the lower, oblique fibres medial to the patella, known as the vastus medialis oblique (VMO). By strengthening this muscle, the normal position of the patella is regained and it will interact correctly with the femur.

The duration and frequency of the treatment will depend on the presentation of the condition, and how long it has been present.

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Jodi Forsythe
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