Fig. 1

Schematic diagram of rabbit sciatic nerve surgery. Needle No.1 and 2 formed the proximal stimulating electrode of heart while the needles 2 and 3 formed the distal stimulation electrode of heart. No. 4 needle as a reference electrode, was inserted into the ankle. No. 5 needle inserted into the sole, and No. 6 needle inserted into the muscle between the first and second toes were composed a receiving electrode