This condition affects the anterior knee joint which consists of the kneecap (patella) and the lower end of the thigh bone (femur bone). Patellofemoral Syndrome occurs when the patella does not glide properly on the lower end of the femur. This can cause acute to chronic pain in all age groups. The patella glides up and down on a groove on the femur bone when walking and the articulating surface has cartilage like any other joint in the human body. If the patella does not glide up and down in the groove it can cause bone on bone rubbing and/or degeneration of the cartilage.
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