The study of primate locomotion is a unique discipline that by its nature is interdis- ciplinary, drawing on and integrating research from ethology, ecology, comparative anat- omy, physiology, biomechanics, paleontology, etc. When combined and focused on particular problems this diversity of approaches permits unparalleled insight into critical aspects of our evolutionary past and into a major component of the behavioral repertoire of all animals. Unfortunately, because of the structure of academia, integration of these different approaches is a rare phenomenon. For instance, papers on...