Bionic Leg (IMAGE) University of Utah Caption Utahn Kerry Finn, left, confers with University of Utah mechanical engineering assistant professor Tommaso Lenzi. Lenzi and his team are developing one of the world's first truly bionic legs, a self-powered prosthetic limb with a computer processor and motorized joints in the ankle and knee that enable an amputee to walk with more power, vigor and better balance. Credit Mark Helzen Draper/University of Utah College of Engineering Usage Restrictions None 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.