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Figure 6 | Frontiers in Zoology

Figure 6

From: Three-dimensional kinematic analysis of the pectoral girdle during upside-down locomotion of two-toed sloths (Choloepus didactylus, Linné 1758)

Figure 6

3D displacement of the right elbow and the influence of scapular and humeral motion. A, D: 3D trajectories of the elbow shown for normal locomotion (blue), without humeral motion (orange), without scapular motion (red), without scapular abduction/adduction (yellow - almost completely covered by blue trajectory, i.e. almost identical), without scapular rotation along its long axis (green), and without humeral abduction from the scapular plane (purple). Swing phases are shown in gray. B, E: depict a 2D projection of the trajectory onto the transversal plane as seen from behind. C, F: 2-D projection of the trajectory onto the frontal plane as seen from above.

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