Introduction: The ACL is the most important structure in the knee. The old name of anterior cruciate ligament was crucial ligament since cruciate or crossed arrangements of the anterior and posterior cruciate ligaments within the knee. The importance of the anterior cruciate ligament in the maintenance of joint integrity has been recently appreciated. Methodology: About 30 patients with anterior cruciate ligament injury attending the department of Orthopedics were included in the study. Clearance from Institutional Ethical committee was obtained before the study was started. An informed, bilingual consent was obtained from each patient before they were included in to the study. Results: In the PTB group, 53.3% of the patients had left sided ACL tear and 46.7% had right sided tear. In the STG group, 46.7% had left sided ACL tear and 53.3% had right sided ACL tear. Conclusion: The tears of the ACL present acutely or chronically and in the acute lesion the other ligaments may be clinically normal.

Keywords: Anterior Cruciate Ligament; RTA; Sports.