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Figure 1


Fig. 1. Methods for kinematic analysis. Anterior is to the right. (A) White dots indicate the locations of mid-dorsal paint marks that were digitized. xs and dcr denote the length of the region of static contact and the distance between adjacent crossings, respectively. (B) The convention for measuring crossing angles, {alpha}cr. A helical loop around the perch occurs between the fourth and sixth crossing regions.