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. 2021 Apr 20;21(8):2889. doi: 10.3390/s21082889

Figure 4.

Figure 4

Example individual trial demonstrating sagittal plane CoM positions for criterion (cyan), unfiltered (green), low-pass filtered (red) and Kalman smoothed (blue) data during pushing. Shaded areas depict the left foot (red shading) and right foot (green shading) stance phase. Footfall events were computed from marker-based foot kinematics [31]. OpenPose joint centre reconstructions (top) at touch-down and toe-off events are overlaid for context.