Skip to main content
. Author manuscript; available in PMC: 2010 May 1.
Published in final edited form as: Rheum Dis Clin North Am. 2009 May;35(2):263–274. doi: 10.1016/j.rdc.2009.05.006

Figure 1.

Figure 1

WU pain ratings of NC and FM patients. All subjects received 15 mechanical stimuli to the adductor pollicis muscles of the hands at interstimulatory intervals (ISI) of 3 sec and 5 sec. FM patients showed mechanical hyperalgesia during the first tap and greater temporal summation than NC at both ISIs. A numerical pain scale was used (0 – 100). The shaded area represents pain threshold. FM, fibromyalgia syndrome; ISI, interstimulatory interval; NC, normal control; T, mechanical tap