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Development of an immersive virtual reality test to improve the motor control assessment after stroke: Usability and norms among healthy subjects

Abiven, Tanguy ; Even, Charline
(2022)

Files

Abiven_Tanguy_46111600Even_Charline_47531600_2021-2022.pdf
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Details

Supervisors
Everard, Gauthier ; Dehem, Stéphanie
Faculty
Faculté des sciences de la motricité
Degree label
Master [60] en kinésithérapie et réadaptation
Abstract
BACKGROUNG The MotorTest is an immersive virtual reality assessment designed to evaluate upper-limb motor control by quantifying hand’s position in presence and absence of visual inputs. The objectives of this study were to evaluate the usability of the MotorTest, to realise standards and determinate the different factors influencing its score. METHODS Fifty-five healthy adults were recruited. All realised 25 trials with virtual feedback and 25 trials without (with both hands and always started with their dominant hand). After the experiment, they answered the Usability Scale Questionnaire (SUS) and Affinity for Technology Interaction (ATI) scale. A multilinear regression was computed between MotorTest scores and demographic data, presence of a visual feedback, target distance, linearity, manual dexterity and ATI scores. RESULTS Usability was rated as excellent (85 [75-87,5]). Norms for error distance were drawn by age. Factors influencing the most the error distance in the multilinear regression were the presence/absence of visual feedback of the controller (SC=0,584; p<0,001) and the age of subjects (SC=0,575; p=0,047). CONCLUSION The MotorTest’s usability was found to be excellent. The scores variation of the MotorTest were only explained by the variation of age and presence or absence of visual feedback of the hand. These results highlight the potential of virtual reality to improve the assessment of motor control.