Virtual reality and haptics as a training device for movement rehabilitation after stroke: a single-case study |
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Authors: | Broeren Jurgen Rydmark Martin Sunnerhagen Katharina Stibrant |
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Affiliation: | Mednet, G?teborg, Sweden. jurgen.broeren@mednet.gu.se |
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Abstract: | OBJECTIVE: To investigate whether training in a virtual environment with a haptic device will improve motor function in the left hemiparetic arm of a stroke subject. DESIGN: Single case, A-B-A design. SETTING: University hospital research laboratory. PARTICIPANT: A man in his late fifties (right handed), with a right-hemisphere lesion that caused a deficit in the left upper extremity. INTERVENTION: The subject trained with a 3-dimensional computer game during a 4-week period that consisted of twelve 90-minute sessions. MAIN OUTCOME MEASURES: Three tests (Purdue pegboard test, dynamometer hand-grip strength, upper-extremity test) and a subjective interview were used to evaluate motor performance. RESULTS: Improvements were found in fine manual dexterity, grip force, and motor control of the affected upper extremity. The subject reported that there was a change in his day-to-day use of the upper extremity and that he was able to use it in activities that were previously impossible for him. CONCLUSIONS: Training with virtual reality and haptics can promote motor rehabilitation. |
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Keywords: | Hemiparesis Rehabilitation Stroke Virtual systems |
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