The animal model of GM contusion and EA treatment. (A) An acute GM contusion model device. (B) The fixed position of the rabbits. (C) EA at the Ashi acupoints of the injured side. The acupoints were located 10 mm from the proximal (anode) and distal (cathode) ends of the contusion midpoint. (D) EA at the ST36 acupoint of the normal side. The main needle was inserted into a standard acupoint area, and the auxiliary needle was placed 5 mm away from the main needle.