What are the signs of an acl injury?

Instability: An acute acl injury typically presents with a swollen knee after an injury. A chronic tear may present with instability when trying to cut or pivot. Typically the knee will "give way" when trying to do sports.

Knee instability.: Usually ACL tears occur when you have a twisting injury to the knee, feel a "pop", knee swells. Get checked by a sports medicine orthopedic knee specialist.

Classical ACL injury: An acute ACL injury may include: Feeling or hearing a pop in the knee at the time of injury. Pain on the outside and back of the knee. The knee swelling within the first few hours of the injury. This may be a sign of bleeding inside the knee joint. Swelling that occurs suddenly is usually a sign of a serious knee injury. Limited knee movement The knee gives way