This study stands only as an initial evaluation of the feasibility of the IMES® technology. Yet, the advances and improvements that the first subject has made in his control of the IMES® System to this point, along with the subject's initial reports of more natural, intuitive control as compared to his previous myoelectric device, are encouraging. We therefore remain cautiously optimistic about the future of implantable myoelectric sensor technology and its ability to provide accurate, reliable, and dexterous control of myoelectric prostheses for all levels of amputation.