Fig. 5.

The four phases of a successfully completed AR-PHAM rehabilitation task. a Beginning with the Reach phase, the user visually focuses the red cylinder and moves the virtual prosthesis into the cylinder’s proximity. b Followed by the Grasp phase, the user operates the virtual prosthesis via myoelectric control to grab the cylinder. c During the Transport phase, the user visually focuses the cylinder’s destination and moves the virtual prosthesis to relocate the cylinder. d In the final Release phase, the user again operates the virtual prosthesis to place the correctly aligned cylinder onto the destination location