Observation of Microvascular Perfusion in the Hegu (LI4) Acupoint Area after Deqi Acupuncture at Quchi (LI11) Acupoint Using Speckle Laser Blood Flow Scanning Technology

Table 2

The ratio of skin microvascular perfusion of Points 1–4 referenced to Point 5 before acupuncture in the experiment.

	Sanjian (LI3)	Hegu (LI4)	Yangxi (LI5)	Point 4	Point 5
During acupuncture	0.02	0.04	0.03	−0.03	0.01
After acupuncture	0.04	0.56	0.03	−0.04	−0.02