How long does subluxation of patella last?

Knee trauma shows patella subluxation is relatively rare, sometimes very difficult to diagnose, most of them are caused by direct violence, due to trauma kick patella or excessive flexion torsion caused by injury, knee joint will show swelling, pain, but patella reduction, but also can move, if swelling is more obvious, treatment may need to extract fluid to relieve swelling, if there is no free bone in the joint can be treated conservatively. After 6 weeks of plaster or brace fixation, remove the fixture and practice knee flexion and extension exercises. If practiced too early, it may show poor repair of the medial collateral ligament and recurrent patellar dislocation.