"A myoelectric prosthesis uses electromyography signals or potentials from voluntarily contracted muscles within a person's residual limb on the surface of the

"A myoelectric prosthesis uses electromyography signals or potentials from voluntarily contracted muscles within a person's residual limb on the surface of the skin to control the movements of the prosthesis..." https://en.wikipedia.org/wiki/Prosthesis#Myoelectric https://en.wikipedia.org/wiki/Prosthesis#Myoelectric