Fig. 3.

Examples of performance measures captured by HoVRS during training of a representative subject. a System weekly usage. The black arrow in panel a indicates a new scheme for hand positioning that was introduced by the therapist between week 15 and week 16. That allowed for more successful gameplay, resulting in a substantial increase in adherence. b Gradual increase in the range of affected hand opening/closing over the course of training. c Modulation of wrist pitch angle during one session of Pitch Flying game