Knee Assessment

Posterior Drawer Test | Posterior Cruciate Ligament Tear Assessment

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Posterior Drawer Test

Posterior Drawer Test | Posterior Cruciate Ligament Tear Assessment

The Posterior Drawer Test is a common orthopedic test to assess for posterior cruciate ligament tears.
Like the Anterior Drawer Test, the test is conducted in supine lying position with the hip flexed to 45° and the knee flexed to 90°.

According to Rubinstein et al. (1994) the Posterior Drawer Test has a sensitivity of 89% and a specificity of 98%.
This means that this test seems to be very accurate to confirm and rule out PCL Tears.

P.S. The sound you hear is from our bench and not from a rupturing PCL!

To conduct the test, the Patient is in supine lying position with the hip in 45° and the knee in 90° of flexion.
The examiner may fixate this position by sitting on the patient’s forefoot.
The examiner then palpates the joint line with his thumbs while grabbing onto the
tibia from anteriorly.
The examiner then translates the tibia posteriorly in an explosive movement

Positive Outcome: Soft or mushy end-feel or increased posterior translation on
the tested knee compared to the other knee

Other tests to assess the posterior cruciate ligament are:

21 OF THE MOST USEFUL ORTHOPAEDIC TESTS IN CLINICAL PRACTICE

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References

Rubinstein JR RA, Shelbourne KD, McCarroll JR, VanMeter CD, Rettig AC. The accuracy of the clinical examination in the setting of posterior cruciate ligament injuries. The American journal of sports medicine. 1994 Jul;22(4):550-7.

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