The diagnosis of “ rupture of the anterior cruciate ligament ” can usually be made during the clinical orthopedic examination. There is an abnormal displacement of the knee joint between the upper and lower leg. The result of this examination is called a “positive drawer test and tibial compression test ”. In unclear cases, ie if the knee joint is not clinically unstable and there is still suspicion of a cruciate ligament rupture, imaging procedures are used for the definitive diagnosis. computer tomography (CT) and arthroscopy (mirroring of the knee joint) are used
