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KMID : 1020120130110010007
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Journal of the Korean Academy of Clinical Electrophysiology
2013 Volume.11 No. 1 p.7 ~ p.12
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Effects of Virtual Reality-Based Closed Kinetic Chain Exercise on Lower Extremity Muscle Activity in Chronic Stroke Patients
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Yang Dae-Jung
Park Sam-Heon
Lee Min-Ki
Park Seung-Kyu
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Abstract
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Purpose : The purpose of this study was to identify effects of virtual reality-based closed kinetic chain (CKC) exercise on lower extremity muscle activity in chronic stroke patients Methods : Subjects were assigned randomly either to VR+CKC exercise group (n=15) or the CKC exercise group (n=15). When the study began, both groups received conventional physical therapy five times per week. The VR+CKC exercise group received virtual reality programs and the CKC exercise group received close kinetic chain exercises. Each exercise program was performed for six weeks (5 times per weeks; 20 minutes per time). Participants were measured on lower extremity muscle activity using EMG. Results : There was a significant increase of muscle activity (%RVC) in vastus lateralis and vastus medialis. Conclusion : In this study, the virtual reality-based closed kinetic chain exercise program was an effective exercise for improving lower extremity muscle activity in chronic stroke patients
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KEYWORD
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Virtual Reality, Closed Kinetic Chain Exercise, Muscle Activity, Stroke
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