posterior sag test

pos·ter·i·or sag test

(pos-tēr'ē-ŏr sag test)
Maneuver used to determine integrity of posterior cruciate ligament whereby the patient is in a supine position with the hips flexed at 45 degrees and knees flexed at 90 degrees. When viewed laterally, a loss of the tibial tubercle prominence is present in a posterior cruciate deficient knee when the tibia falls back or sags on the femur.
References in periodicals archive ?
The posterior drawer test and posterior sag test are used to assess for PCL tears.
The posterior sag test is performed with the ipsilateral hip and knee both flexed to 90[degrees].
Full browser ?