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Conception et évaluation d'un système de réalité virtuelle pour l'assistance à l'auto-rééducation motrice du membre supérieur post-AVC

Abstract : Stroke is a major global health problem that is the leading cause of acquired adult disability. The sequelae it generates lead to a loss of autonomyand independence. Rehabilitation is therefore necessary to regain as much capacity as possible. However, it poses a major problem of therapeuticadherence. This thesis is carried out within the framework of a CIFRE contract between the IBISC laboratory and Interaction Healthcare. It focuses on the design and evaluation of a post-stroke upper limb motor self-rehabilitation assistance system based on Virtual Reality. In particular, we were interested in setting up a difficulty management system, which is necessary to improve patient motivation. Our system is designed using a user-centered approach in collaboration with patients and therapists at the Clinic Les Trois Soleils. It is based on a Leap Motion placed above a table thatallows interaction with 3D virtual environments displayed on a screen. Two exercises were carried out. The first concerns a target pointing task that allows the flexion-extension of the elbow and the shoulder to be worked on. The second concerns a pronation supination task of the wrist. In the latter we have developed a difficulty management system based on patients' motor skills. Finally, we conducted an experimental protocol to assess the usability of the device, the consistency of our difficulty management system through its impact on patient performance and the degree of user motivation. The results show very good usability, the consistency of the difficulty model but its low impact on performance, and the high motivation of the participants.
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Ludovic David. Conception et évaluation d'un système de réalité virtuelle pour l'assistance à l'auto-rééducation motrice du membre supérieur post-AVC. Interface homme-machine [cs.HC]. Université Paris-Saclay, Université d'Evry Val-d'Essonne, 2019. Français. ⟨tel-02571389⟩

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