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

Figure 1

Diagrams of anatomical measurements. (a) Schematic of acupuncture points in the Yangming Large Intestine Meridian of Hand on the radial side. (b) Schematic of acupuncture points in the Yangming Large Intestine Meridian of Hand on the dorsal side. (c) Method for measuring vascular branches. LI2, acupuncture point “Erjian”; LI3, acupuncture point “Sanjian”; LI4, acupuncture point “Hegu”; LI5, acupuncture point “Yangxi”; RA, radial artery; FDMCA, first dorsal metacarpal artery; SBRN, superficial branch of radial nerve. White arrowheads indicate the points where the VBs reached the arteries.

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(b)

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