Figure 4

Task duration and jerk index. Instrumental parameters related to the mean task duration (a) and jerk index (b) of the four ARAT sections (Grasp, Grip, Pinch and Gross movement) for control and MS groups. Point: median. Box: interquartile range. Whisker: non-outlier range. **p < 0.01, ***p < 0.001 (Controls versus MS, Mann–Whitney U Test).