The anterior drawer test is an indicator of the integrity of the anterior cruciate ligament.

How to perform the anterior drawer test
With the patient lying on his/her back, the leg is bent and the surgeon places the thumbs on either side of the patellar tendon, with the fingers behind the upper tibia and pulls the tibia forward, assessing the forward movement and comparing it with the normal side.
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FORUM DISCUSSIONS
CLINICAL PUBLICATIONS
Accuracy of Lachman and Anterior Drawer Tests for Anterior Cruciate Ligament Injuries. Makhmalbaf H, Moradi A, Ganji S and Omidi-Kashani F. Arch Bone Jt Surg. 2013 Dec; 1(2): 94–97.
Evaluation of the accuracy of Lachman and Anterior Drawer Tests with KT1000 ın the follow-up of anterior cruciate ligament surgery. Kilinc BE, Kara A, Celik H, Oc Y, Camur S. Journal of Exercise Rehabilitation 2016; 12(4): 363-367.