Alan M. Hirahara, MD, FRCSC
Orthopaedic SurgeonSpecialist in Sports Medicine

Anterior and Posterior Cruciate Ligaments

The ACL is a commonly injured ligament in athletes.  It prevents the tibia from abnormally translating anterior to the femur.  This results in the sensation of "giving way."  It often requires a reconstruction to replace the lost ligament.  The biggest risk of living with an unstable knee is eventually tearing a meniscus, which would then result in arthritic changes.

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