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Anterior view of instantaneous screw displacement axes (SDA) (a) measured experimentally (taken from Bottlang et al. (1999)) and (b) computed with the present FE model, plotted for all 13 loading steps onto a single image, show close agreement in the axode of motion. Note that the motion is not a fixed axis rotation, and that the SDA’s in both models pass through the body of the talus, with similar ranges of angular excursion.
