Cranial Drawer Test

A negative drawer sign does not necessarily mean your canine does not have a cranial cruciate injury and the only way to be absolutely sure of injury in the absence of a positive drawer is to have an ultrasound performed.
Cranial drawer test. Demonstration of a positive cranial drawer complete cranial cruciate ligament rupture. Chronically affected joints or joints with partial rupture of cranial cruciate ligament will have much less draw no draw movement. The patient should be supine with the hips flexed to 45 degrees the knees flexed to 90 degrees and the feet flat on table.
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