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Figure 1 | Journal of NeuroEngineering and Rehabilitation

Figure 1

From: Origins of submovements in movements of elderly adults

Figure 1

Examples of submovements of type 1, 2, and 3. Each panel shows the velocity, acceleration, and jerk profile during a discrete movement to a large target. The data were obtained from an older adult. The y-axes were different for the three profiles, and therefore, they are not shown for clarity of presentation. The vertical line marks a velocity zero-crossing from positive to negative values in case of the type 1 submovement, an acceleration zero-crossing from negative to positive values indicating the type 2 submovement, and a jerk zero-crossing from positive to negative values when the submovement was of type 3.

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