Performance on tasks requiring myoelectric control of grasp force and hand aperture.

White bars: A1, Shaded bars: T5 A) Mean absolute value of the reach error B) Variability of the reach error data presented as the mean standard deviation of the reach error C) Mean task duration D) Variability of the task duration data presented as the mean standard deviation of the task duration. All results (N = 8) include their corresponding SEM. * indicates significant difference (p<0.05).