To Compare the Clinical Efficacy of Arthroscopic Lateral Retinacular Release and Exercise Therapy in the Treatment of Lateral Patellar Crush Syndrome

The non-operation group was treated with rehabilitation therapy for 6 weeks, and the operation group was treated with arthroscopic surgery and the pathological tissue of cartilage and subchondral bone was taken. Assessment was performed at three months, one year, and two years after treatment and recorded in the database.