Clinical Research Directory

Inclusion Criteria: 1. Patients with ACL rupture were diagnosed by MRI; 2. Unilateral ACL rupture for the first time should be performed in our hospital (Department of Sports Medicine, Peking University Third Hospital)The art of reconstruction; 3. Normal BMI range: 18.5-23.9 kg/m2; 4. Within 6 months from the trauma; 5. The affected knee joint has passed the acute stage, no obvious redness, pain,inflammation, and limited joint motion,basically restore joint motion. Exclusion Criteria: 1. BMI\<18.5 kg/m2 or BMI≥24 kg/m2); 2. There is a history of contralateral lower limb musculoskeletal system injury and surgery; 3. ACL injury time \> 6 months; 4. Outerbridge damage rating Ⅲ and Ⅳ; 5. Patients with meniscal tears who are expected to undergo meniscal suture surgery at the time of ACLR surgery; 6. Serious injury to the posterior cruciate ligament, medial collateral ligament, or lateral collateral ligament; 7. There is metabolic syndrome (obesity, dyslipidemia, diabetes, etc.), which will involve articular cartilage Epidemic diseases, serious cardiovascular and cerebrovascular diseases, etc.; 8. Those who do not want to accept this treatment