'Built' for Walking (IMAGE) Brown University Caption A variety of anatomical features suggest that sthenurines could put their weight on one leg at a time, an essential capability for walking on two feet. Credit Brian Regal Usage Restrictions with credit License Licensed 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.