With the current increase in activity and activities in the young population, the number of ACL injuries caused by sports is also increasing, so how can the diagnosis of suspected ACL rupture and injury be confirmed? Does it have to be arthroscopic surgery to determine the diagnosis? The answer is no, currently it is possible to use non-invasive MRI (magnetic resonance imaging) to diagnose ACL injury rupture, with an accuracy rate of 95% – 100%. But only if an experienced sports medicine specialist looks at the film. Otherwise, even the most obvious injury, rupture, to a can not see the film to see, is not diagnosed!