phase shift during swing (IMAGE) PNAS Nexus Caption The phase shift during swing is plotted (0 degrees in red, 90 degrees in orange, 180 degrees in yellow), along with the duration of swing and leg length of several species: horse, human, cat, rat, stick insect, mouse, American cockroach, and fruit fly. Credit Sutton et al. Usage Restrictions None License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.