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KMID : 1211620140090010054
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Journal of the Korean Society of Physical Medicine
2014 Volume.9 No. 1 p.54 ~ p.62
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The Effect of Virtual Reality Training on Lower Extremity Muscle Activation in Elderly
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조경희:Cho Gyeong-Hee
신형수:Shin Hyung-Soo
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Abstract
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PURPOSE : The objective of this study was to determine the effects of virtual reality training on muscle activation in the elderly.
METHODS : The subjects were 32 healthy elderly people aged between 65 and 80, who were divided into the VR(virtual reality) training group(n=17) and the control group(n=15). The Virtual reality training group engaged in a 30-minute exercise session using Wii Fit three times a week for eight weeks. Virtual reality training group used the Ski Slalom, Table tile, Balance bubble programs. low-extremity muscle activation of the two groups were measured before and after the intervention.
RESULTS : To investigate the effects of the training on lower-extremity muscle activation, biceps femoris, gastrocnemius, tibialis anterior, vastus lateralis were measured. The results revealed that the activation of gastrocnemius and tibialis anterior significantly increased(p＜.05), which indicates virtual reality training is effective in improving the activation of the muscles involved in the movement of the ankle joint.
CONCLUSION : Virtual reality training is effective in improving the healthy elderly’s activation of the muscles involved in the movement of the ankle joint. Thus, virtual reality training can be proposed as a form of fall prevention exercise for the elderly.
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KEYWORD
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Virtual reality training, muscle activation, elderly
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