Figure 6From: Robotic and clinical evaluation of upper limb motor performance in patients with Friedreich’s Ataxia: an observational studySubmovement indices. Means of the Number of Submovements (left), Duration of Submovements (middle) and Amplitude of Submovements (right) with error bars representing standard error. The symbol ** indicates a significant difference between the two groups (p < 0.01); the symbol *** indicates a significant difference between the two groups (p < 0.001).Back to article page