"Smart" prosthetic legs can help amputees achieve a natural walking gait, but it's done through robotic sensors and algorithms that drive the limb forward at predetermined rates. A better way would be ...

Thanks to a neural interface, people can move this bionic limb naturally—just by thinking about it. When someone loses part of a leg, a prosthetic can make it easier to get around. But most ...

The most advanced new surgical procedure, AMI, addresses proprioception. This refers to the ability to sense position and movement. In an intact human arm or leg, muscles work in pairs. When a bicep ...