Basics Description Sciatica is pain referred down the leg in a distribution of the sciatic nerve, which courses from the lumbosacral plexus L2, S3. 5 different areas of pain may be noted: Back: Midline lumbosacral, radicular radiation pattern Buttocks: Deep-seated, crampy pain Posterior or lateral thigh (L5, S1) On occasion, both posterior and lateral [...]
