Figure 1From: High-density surface EMG maps from upper-arm and forearm musclesExperimental set-up. The three arrays (A1, A2 and A3) and the mechanical brace can be observed. The forearm is held distally to avoid the action of the muscles of the wrist and hand (B) The exerted force is measured by transducers located at the joint of the mechanical brace (C).Back to article page