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J Bone Joint Surg Br. 1989 Jan;71(1):88-9.

Ipsilateral sciatica on femoral nerve stretch test is pathognomonic of an L4/5 disc protrusion.

Author information

1
Department of Neurosurgery, Government General Hospital, Piraeus, Greece.

Abstract

The straight leg raising test and the femoral nerve stretch test exert traction on the sciatic and femoral nerve, and the lumbosacral plexus and roots. In 40 patients with a suspected L4/5 disc protrusion, ipsilateral sciatica was induced by the femoral nerve stretch test. We believe that this is a pathognomonic sign of a lateral protrusion at L4/5 level.

PMID:
2915013
[Indexed for MEDLINE]

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