Decoding How Salamanders Walk (IMAGE) Tohoku University Caption The simulated salamander model. The trunk has 10 rotary joints and each leg has two rotary joints. Credit Ishiguro-Kano lab Usage Restrictions Reporters may use freely these materials in news coverage with appropriate credit information. 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.