Sway: Parkour Athletes as Models for Orangutans (image) Society for Experimental Biology Share Print E-Mail Caption To learn about orangutan behaviour, researchers used human parkour athletes as models for orangutans. They measured the energy required to navigate among trees in different ways, such as by swaying a tree. Credit SRL Coward and LG Halsey Usage Restrictions None Share Print E-Mail 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.