Anterior vs Posterior Drawer Test

Anterior vs Posterior Drawer Test

Compare the anterior and posterior drawer tests of the knee in this easy-to-understand guide for healthcare professionals.

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By Nate Lacson on Jun 16, 2025.

Fact Checked by Ericka Pingol.

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Commonly asked questions

A positive knee posterior drawer test suggests a potential knee injury, specifically to the posterior cruciate ligament (PCL). It indicates excessive posterior translation of the tibia, suggesting a possible PCL tear or injury.

The knee anterior drawer test assesses the integrity of the anterior cruciate ligament (ACL). It checks for excessive anterior translation of the tibia, indicating an ACL injury.

A posterior cruciate ligament (PCL) injury is often associated with a positive posterior drawer test, while an anterior cruciate ligament (ACL) injury correlates with a positive anterior drawer test. The direction of tibial translation helps distinguish the type of ligament injury.