Dry Needling Related Short-Term Vasodilation in Chronic Sciatica under Infrared Thermovision

Figure 1

Temperature reaction measured on skin surface (short-term vasodilation effect). In rows, cases one and two (TrPs-positive) and three and four (non-TrPs) were shown. In columns, (a) state before DN (initial state), (b) state immediately after DN (phase II), and (c) state immediately after observation (phase III) were presented.

(a)

(b)

(c)