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Client doing virtual training with a pattern recognition system (Coapt, Chicago, Illinois) prior to prosthetic fitting. The client practices bilateral hand movements while the EMG signals are tracked and prosthetic hand movement is simulated. In this figure, the system is learning her EMG pattern for opening the hand. She will continue to train for hand closing and could progress to wrist rotation, various grip patterns, and individual finger use. Photo courtesy of Coapt, LLC
