Rehabilitation after knee arthroscopic cleanup Mobility to the extent that pain can be tolerated Active knee flexion and extension mobility exercises Within 1 drama: full extension Within 4-6 weeks: full flexion to the normal angle Muscle strength to the extent that pain can be tolerated The back of the foot up and down, contraction of the calf muscles at different angles of the knee joint when the thigh muscles are tensed to avoid the pain angle of the knee joint extension and flexion exercises Straight-legged raises Half-squatting exercise should be careful weight bearing can be used with a crutch, to be able to tolerate pain to the extent that pain can be tolerated. Abandon crutches if you can tolerate the pain without pain or swelling Work 1 week later: return to seated work 6 weeks later: gradually return to heavy work Exercise 6 months later: gradually return to low impulse aerobic training (e.g., walking, swimming, stationary bike) When the patient is pain-free, has normal mobility and strength, and has minimal or no swelling, he or she can begin to exercise and return to impulse exercise with caution.