Fig. 4From: Robotic arm training in neurorehabilitation enhanced by augmented reality – a usability and feasibility studySchematic of the structure of this study: the RobExReha-Patients trained 4–5 times with the RobExReha device, while technical and user incidents were reported. After completion of at least four training sessions, the questionnaire evaluation was conducted. The Reference Group only participated in the questionnaire survey and reported their perception of the conventional robotic gaming therapyBack to article page