Figure 3From: Evaluation of ranges of motion of a new constrained acetabular prosthesis for canine total hip replacementAnatomical coordinate system (ACS) of bones: the ACS of the pelvis (a) and femur (b). The positive X-axis (red) indicates the anterior direction, the positive Y-axis (green) indicates the dorsal direction, and the positive Z-axis (blue) is directed to the right. The landmarks on the epicondyles used for defining the Z-axis are marked in yellow.Back to article page