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The Effect of Virtual Reality Training on Lower Extremity Muscle Activation in Elderly

가상현실 훈련이 노인의 하지 근활성도에 미치는 영향

  • Cho, Gyeong-Hee (Department of Rehabilitation Science, Daegu University Graduate School) ;
  • Shin, Hyung-Soo (Department of Physical Therapy, Kyungwoon University)
  • 조경희 (대구대학교 대학원 재활과학과) ;
  • 신형수 (경운대학교 물리치료학과)
  • Received : 2013.11.29
  • Accepted : 2014.01.21
  • Published : 2014.02.28

Abstract

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.

Keywords

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