posterior sag test

Indications

• test posterior cruciate ligament

Procedure

• with the patient supine, knees & hips flexed at 90 degrees, hold the legs at the ankles

Interpretation

• sagging of the proximal tibia on the affected side is a positive test

More general terms

• physical examination of the knee

Additional terms

• knee pain
• posterior cruciate ligament (PCL, ligamentum cruciatum posterius)