The signs and symptoms of a torn meniscus of the knee include pain, usually on one side of the knee, inflammation and tenderness of the knee on one side of the joint, swelling of the knee within the first 12 hours after the injury, locking and not bending the knee, knee stiffness when moving or not straightening completely. The knocking of the knee or the feeling of wear inside the knee when moving, Iran Zameen Clinic, with its experienced staff, provides sports medicine services in the treatment of musculoskeletal diseases. To learn more about the opinion of the clients in this regard, refer to the section of the client’s opinion on the main page of the site.