Disc herniation at L5-S1 is also possible and is a common cause of sciatica—a problem with the sciatic nerve that can cause ...

Beginning at the S1 level, an introducer with stylet ... modality to treat various types of chronic pain. The use of facet median nerve branch radiofrequency ablation (RFA) for cervical, thoracic ...

[24–27] The clinical decision for a nerve root involvement required a history of radicular pain accompanied by one ... and the big toe extension. For an S1 radiculopathy the clinician emphasized ...