Posterior Drawer Test of the Knee

 Posterior Drawer Test of the Knee

What is Posterior Drawer Test of the Knee?

  • Posterior Drawer Test of the Knee is used to test the integrity of the posterior cruciate ligament (PCL).

How it's Performed?

  • The patient is supine and the knee to be tested is flexed to approximately 90 degrees.
  • The examiner then sits on the toes of the tested extremity to help stabilize it.
  • The examiner grasps the proximal lower leg, approximately at the tibial plateau or joint line with the thumbs placed on the tibial tuberosity.
  • Then the examiner attempts to translate the lower leg posteriorly.

What does a positive Posterior Drawer Test of the Knee mean?

  • The Posterior Drawer Test is considered positive if there is a lack of end feel or excessive posterior translation.

Sensitivity & Specificity

  • Sensitivity: 90 %
  • Specificity: 99 %

Reference




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