(a)
(b)
Figure 2: (a) Mean values and standard deviation of speed values in fibromyalgia patients (FM) and controls. One way ANOVA F 10 DF 1 p 0.003. (b) Mean values and standard deviation of oxyhemoglobin levels change on the ROI –CH4,5,7,8,9 during fast movement in fibromyalgia patients (FM) and controls. One way ANOVA F 6.44 DF 1 p 0.015.