case_images: PMC5532391_01
case_images: PMC5532391_02
case_images: The flow of a usability test.
case_images: fnbot-11-00036-g001.jpg
case_images: PMC5532391_02_fnbot-11-00036-g001.jpg
case_images: F1
case_images: The experimental instruments used in this part of the study consisted of the rehabilitation device, video cameras, still image cameras, digital voice recorders, questionnaires, and observational recording forms (Figure 1).