Repeat: Out on a limb: After losing his right leg in a motorcycle accident, Mr Vawter signed up to become a research subject, helping test a trailblazing prosthetic leg that's controlled by his thoughts .
Out on a limb: After losing his right leg in a motorcycle accident, Mr Vawter signed up to become a research subject, helping test a trailblazing prosthetic leg that's controlled by his thoughts .