Bamford C R, Graeme K
Department of Neurology, College of Medicine, University of Arizona, Tucson 85724.
Electromyogr Clin Neurophysiol. 1994 Dec;34(8):491-4.
Cerebral and spinal evoked potentials were recorded in response to percutaneous stimulation of the sciatic nerve at the inferior gluteal crease. To justify the invasiveness of the procedure, a comparison was made to transcutaneous stimulation of the inferior gluteal nerve at the same level.