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August 1983

Bent-Knee Pulling in the Diagnosis of Lumbar Root Lesions

Author Affiliations

Department of Clinical and Neurological Sciences University Hospital Saskatoon, Saskatchewan Canada S7N 0X0

Arch Neurol. 1983;40(8):529. doi:10.1001/archneur.1983.04210070069025

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To the Editor.  —Jabre and Bryan (Archives 1982;39:669-670) have reported their use of bent-knee pulling in the diagnosis of upper lumbar root lesion. I report my experience with one patient in whom eliciting this sign was crucial to reaching a correct diagnosis.

Report of a Case  —An 81-year-old woman had suffered a fracture of her left femur in January 1973, which was treated successfully with a Knowle pin. She had a slight limp after that. Eighteen months later, she experienced acute pain in the lower part of her back, which subsided after one month. Four months after that, she had another episode of back pain, which radiated into the left buttock and leg. One month later, she "twisted" her back and experienced sudden severe pain radiating from the lower part of the back to the left lateral malleolus. She was confined to bed for two weeks.Her symptoms did not

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