Fig. 1From: Stable, simultaneous and proportional 4-DoF prosthetic hand control via synergy-inspired linear interpolation: a case seriesTraining and testing setup. The subject was seated in front of a VR representation of a prosthetic hand. The Ripple Grapevine system collected ciEMG at 2 kHz with a 15–350 Hz band-pass filter. The only EMG feature collected was the mean absolute value over a 200 ms window updated every 50 msBack to article page