Special Tests of the Knee

From Laura Inverarity, D.O., former About.com Guide

Updated June 08, 2005

About.com Health's Disease and Condition content is reviewed by the Medical Review Board

The posterior drawer test evaluates the posterior cruciate ligament. To perform this test, place the knee in ninety degrees of flexion with the patient laying supine and the foot stabilized on the table. Grasp the anterior aspect of the tibia over the tibial tuberosity and push forward (displacing the tibia posteriorly) with a steady force. If the tibia moves posteriorly more than normal (compare with the uninjured leg) the test is positive. This is indicative of a posterior cruciate ligament tear.

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• Overview
• Anterior Drawer Test
• Posterior Drawer Test
• Valgus Stress Test
• Varus Stress Test

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