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- W131423513 abstract "Abstract Objective: To develop additional electromyographic control signals in a shoulder disarticulation amputee. Design: Single case study. Setting: Academic acute hospital and rehabilitation hospital. Participant: Patient with bilateral shoulder disarticulation amputation. Interventions: During revision surgery, the patient’s 4 major brachial plexus nerves were surgically grafted to 3 different areas of his pectoralis major muscle and the pectoralis minor (which was moved to the lateral chest wall). After reinnervation occurred a myoelectric prosthesis that used these electromyographic control sites was fit on the patient. Main Outcome Measures: Number of independent electromyographic control sites obtained and prosthetic function. Results: After reinnervation occurred, 4 separate electromyographic sites could be identified and 3 were usable for the control of the prosthesis. The musculocutaneous nerve-muscle graft was used to control elbow flexion. 2 independent sites were recordable from the median nerve-muscle graft and were used to control terminal device opening and closing. A radial nerve-muscle graft had a recordable signal, but it was small, had large electromyographic interference, and was difficult to use for controlling a prosthesis. The ulnar nerve to pectoralis muscle graft was nonviable. The patient was able to operate his terminal device, elbow, and, with cocontraction switching, a powered wrist. He reported that the control was much easier and better than with his previous externally powered prosthesis, which used shoulder touch-pad control. Conclusion: Nerve-muscle grafts can be used to develop additional myoelectric control signals for improved prosthesis control in high level upper-limb amputees." @default.
- W131423513 created "2016-06-24" @default.
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- W131423513 date "2003-09-01" @default.
- W131423513 modified "2023-09-26" @default.
- W131423513 title "Poster 149" @default.
- W131423513 doi "https://doi.org/10.1016/s0003-9993(03)00695-6" @default.
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