“…Robotic devices [10][11][12] have demonstrated improvements in motor impairment [10][11][12], but are bulky, complex and costly, which limits both home-use and widespread application [13]. Camera-based solutions, in particular those based on Microsoft ® Kinect ® , have been widely adopted [14], as well as those based on the Nintendo ® Wii ® console [15,16]. While practical, these systems have limitations regarding the accuracy in full kinematic movement tracking [14,17].…”