Heterogeneity of Skin Surface Oxygen Level of Wrist in Relation to Acupuncture Point

Figure 1

Schematic illustration for the points on the wrist skin where an oxygen microsensor was positioned for pO₂ analysis: (a) one-dimensional and (b) two-dimensional measurement. The points, No. 1, 15 in (a) and the points, No. 1, 5 in (b) were positioned 5 mm apart from the left and right sides of the wrist. Symbol, //, represents the same separation.

(a)

(b)