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Anterior Cruciate Ligament (ACL)


Picture of the anterior cruciate ligament (ACL)

Illustration copyright 2000 Nucleus Communications, Inc. All rights reserved. http://www.nucleusinc.com

Front view of the right knee joint with the kneecap (patella) removed.

The anterior cruciate ligament (ACL) links the upper leg bone (femur) with one of the lower leg bones (tibia) by running crosswise inside the center of the knee joint. The ACL helps stabilize the knee.

ByHealthwise Staff
Primary Medical ReviewerWilliam H. Blahd, Jr., MD, FACEP - Emergency Medicine
Specialist Medical ReviewerPatrick J. McMahon, MD - Orthopedic Surgery
Last RevisedMay 14, 2010

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