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Bent-Knee Pulling in the Diagnosis of Upper Lumbar Root Lesions
Joe F. Jabre, MD;
Ronald W. Bryan, MD
Arch Neurol. 1982;39(10):669-670.
Abstract
The pain pattern of patients with upper lumbar root lesions can be elicited by a simple diagnostic test called bentknee pulling, in which the examiner pulls the half-prone patient's bent knee backward while putting forward pressure on the buttock. The technique was tested in seven patients with either clinically, myelographically, or electromyographically demonstrated L-3 and/or L-4 root lesions, and it successfully reproduced the pain in all seven patients. In all patients the result of straight-leg raising was negative.
Author Affiliations
From the Department of Neurology, Louisiana State University School of Medicine, New Orleans.
Footnotes
Accepted for publication April 4, 1982.
Reprint requests to 5640 Read Blvd, New Orleans, LA 70127 (Dr Jabre).
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