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EMG electrode placements on the residual upper arm for the six amputees (PI to P6) and one control participant (right side). Only the electrodes placed on the biceps and triceps were selected for further analyses. Note the non-conventional placement of four pairs of electrodes on the biceps muscle of the control participant. The same was done on the triceps (not visible here). Participants provided their informed consent to the publication of these images.
