Anterior cruciate ligament injury may involve a complete or partial tear within the substance tear of the ligament or an avulsion from the bone.

Sherman Type 1 ACL injury

Sherman Type I ACL injury - the ACL has torn off at the bony attachment site in the roof of the notch.

Sherman type IV tear of ACL

Sherman Type IV ACL injury - right through the mid-substance of the ligament.

ACL injury
ACL tears
ACL avulsion

Cruciate ligament tears

What makes you think you might have torn your cruciate?

Cruciate Ligament Library

Library of excerpts from the medical literature about Cruciate Ligaments, with links to PubMed

Holly Silvers discusses how special training can reduce the incidence of ACL tears.



Risk factors associated with noncontact injury of the anterior cruciate ligament: a prospective four-year evaluation of 859 West Point cadets. Uhorchak JM, Scoville CR, Williams GN, Arciero RA, St Pierre P and Taylor DC. Am J Sports Med. 2003 Nov-Dec;31(6):831-42.

Intrasubstance Anterior Cruciate Ligament Injuries in the Pediatric Population. Aylyarov A, Tretiakov M, Walker SE, Scott CB, Hesham K and Maheshwari AV. Indian J Orthop. 2018 Sep-Oct; 52(5): 513–521.

Unique simultaneous avulsion fracture of both the proximal and distal insertion sites of the anterior cruciate ligament. Samuelsson K,Svantesson E, Senorski EH and Östman B. BMJ Case Rep. 2018; 2018: bcr2017222265.

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