Quickly review your physical exam skills, and make evidence informed clinical decisions. All while earning CME Credit.

PCL Sulcus and Sag Signs

This video outlines the PCL sulcus and sag signs.  The classic position is with the patient supine, hips bent at 45 degrees, and knees bent at 90 knees.  Observe the proximal tibia, as a PCL tear will result in the affected tibia/tibial tubercle being displayed posteriorly.  The Godfrey PCL sag sign involves the examiner lifting and supporting the patient’s distal legs, and allowing gravity to pull the tibia downwards (posteriorly) in a PCL deficit knee. 

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