Figure 2From: Exploring the bases for a mixed reality stroke rehabilitation system, Part II: Design of Interactive Feedback for upper limb rehabilitationSystem Apparatus and participant marker placement. The system uses 11 Opti-Track cameras (not all cameras shown) to track 14 reflective markers worn by the participant on his back, shoulder blade, acromium process, lateral epicondyle, and the top of his hand, as well as 3 additional markers on the chair.Back to article page