Acupuncture Point “Hegu” (LI4) is Close to the Vascular Branch from the Superficial Branch of the Radial Nerve

Figure 4

The mean distances between the points where the VBs reached the radial artery and the positions of acupuncture points in the Yangming Large Intestine Meridian of Hand. LI4 was significantly closer to the point where the VB reached the radial artery than were LI2, LI3, and LI5 (Dunnett test, P<0.01). P < 0.01, vs. LI4. Bars represent means with standard deviations (SD).