Table 2: The changes in skin microvascular perfusion (in arbitrary units) at all investigated points during lifting-thrusting needling manipulation.

Before acupuncture Before lifting-thrusting manipulation After lifting-thrusting manipulation After removing the needle ST36 72.96 ± 5.16** 81.99 ± 0.50* 82.23 ± 9.41** ST37 ST38 46.4 ± 26.52* Control point

*P < 0.01; **.