Origin:  L5 root, sacral plexus, sciatic nerve, peroneal nerve.

Recording Site:  Lateral lower leg (bar electrode)

Reference Site:  Lateral lower leg (bar electrode)

Ground:  Medial lower leg

Stimulation:  Lateral lower leg

Procedure:  The recording and reference electrodes (bar electrode) are placed on the lower lateral leg, approximately halfway between the lateral malleolus and the extensor hallucis longus tendon.  A distance of 10 cm is measured in a straight line from G1 to the lateral side of the leg.