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KMID : 1206220170240030001
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Journal of Korean Academy of Physical Therapy Science
2017 Volume.24 No. 3 p.1 ~ p.11
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The Effects of Virtual Reality Based Treadmill Training on the Muscle Architecture of Gastrocnemius in Chronic Stroke Patients : Randomized Controlled Trial
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Cho Ki-Hun
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Abstract
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Purpose: The purpose of this study was to investigate the effects of virtual reality based treadmill training on muscle architecture of gastrocnemius in chronic stroke patients.
Methods: Thirty chronic stroke patients were randomly assigned to either the virtual reality based treadmill training (VRTT) group (n=15) or treadmill training (TT) group (n=15). Both groups participated in a standard rehabilitation program; in addition, the VRTT group participated in virtual reality based treadmill training for 30 minutes per day, three times per week, for 6 weeks, and TT group participated in treadmill walking training for 30 minutes per day, three times per week, for 6 weeks. Ultrasound image was used for measurement of pennation angle and muscle thickness of the medial gastrocnemius muscle at rest and during maximum voluntary contraction.
Results: In the paretic side medial gastrocnemius muscle, greater improvement on the pennation angle and muscle thickness while resting and maximal voluntary contraction were observed in the VRTT group compared with the TT group.
Conclusion: Findings of this study demonstrated that the virtual reality based treadmill training has an effect on muscle architecture of medial gastrocnemius in chronic stroke patients.
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KEYWORD
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Gastrocnemius , Stroke , Treadmill , Virtual reality
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