Gait Variability as a Potential Motor Marker of Cerebellar Disease-Relationship between Variability of Stride, Arm Swing and Trunk Movements, and Walking Speed.

Dependence of the CoV values on the absolute gait velocity was lowest for trunk and highest for stride length: Regression models for the CoV values showed some prediction in that a lower absolute gait velocity predicted a higher CoV of the horizontal trunk RoM (R 2 = 0.19), the CoV of sagittal trunk RoM (R 2 = 0.26), and CoV of arms RoM (R 2 = 0.14), but only showed a trend for the CoV of frontal trunk RoM (R 2 = 0.11, p = 0.07).

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