Clinical Research Directory

Inclusion Criteria: 1. Aged between 18 and 50 years at the time of recruit; 2. BMI between 16 and 28 kg/m²; 3. acute unilateral ACL rupture; 4. plan for an ACLR surgery (with autologous hamstrings tendon reconstruction) under arthroscopy; 5. ACL rupture to ACLR within 3 months; 6. Patients can independently use mobile software and WeChat mini programs, and can operate related software through the "Huajiantong" mini program under the guidance of staff; Exclusion Criteria: 1. With synthetic tendon reconstruction; 2. Concomitant meniscus lesion which needs operation; 3. Concomitant other ligaments injury which needs operation; 4. Concomitant intra-articular knee fracture; 5. Concomitant fracture or injury which may affect postoperative exercise; 6. Previous history of knee infection, fracture, and surgery; 7. Participate in knee exercises and/or rehabilitation programs in the past three months; 8. Living outside the city, regular return to the hospital for follow-up cannot be guaranteed; 9. Serious cardiopulmonary disease and unable to participate in rehabilitation exercise; 10. Other reasons for exclusion (mental disorders, stroke, pregnancy, etc).