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. 2020 Jan 23;10:1035. doi: 10.1038/s41598-020-57912-z

Figure 5.

Figure 5

Graphic representation of the helical axis for subtalar motion from inversion to eversion in the (a) left and (b) right feet of the eight healthy subjects. To highlight the differences in axis orientation, all helical axes are grouped by overlaying a representative talus-based XYZ-coordinate system of the subjects and passing through the centre of mass of the talus (origin of the XYZ-coordinate system). (c) Boxplot distribution of helical axis parameters (inclination angle, deviation angle, rotation and translation) for the subtalar joint motion from inversion to eversion in both left (L) and right (R) feet. Data outliers (above/below the whiskers) do not belong to the same subject. p-values from two-sided Wilcoxon signed-rank test are reported in each plot.