In a photoshoot Kelly Knox—a British model and disability-rights advocate—poses with a prosthetic limb unlike any other. Ms Knox was born with her left arm missing from the elbow down. From the point ...

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 ...

People with leg amputations were able to control their prosthetic limbs with their brains in a significant scientific advance that allows for a smoother gait and enhanced ability to navigate obstacles ...

A virtual forearm can bend in a blink. It can also take its time, easing toward a target as if it is thinking about the move. In a new virtual reality study, both extremes felt wrong. When a ...