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젊은 성인에서 몰입형 가상현실 균형 훈련에 따른 정적 균형 변화

Changes in Young Adults’ Static Balance Ability Following Immersive Virtual Reality Balance Training

PNF and Movement 2020년 18권 2호 p.265 ~ 273
서정표, 여상석,
소속 상세정보
서정표 ( Seo Jeong-Pyo ) - Dankook University College of Health and Welfare Department of Physical Therapy
여상석 ( Yeo Sang-Seok ) - Dankook University College of Health and Welfare Department of Physical Therapy

Abstract


Purpose: The purpose of the study was to investigate the effects of HMD (head mounted display)-based virtual reality balance training on static balance in young adults, and whether appropriate balance training can help healthy adults to improve balance ability in daily living.

Methods: The study subjects were 14 healthy adults. Subjects received 20 minutes of HMD-based virtual reality balance training 3 times per week for 4 weeks. Static balance was measured before, during, and after training and after one month. Static balance was measured in a total of 8 conditions, and the results were classified as visual (F1), somatosensory (F5-6), vestibular (F2-4), and central nervous system (F7-8).

Results: The test results showed no significant difference in pre-training, post-training, and follow-up results under all conditions at Fourier index F1, F5-6, and F7-8 frequencies. For the F2-4 frequency, there was a significant difference before and after training under NC (neutral head position, eyes closed, firm surface) and PC (neutral head position, eyes closed, elastic surface) conditions. The NC condition returned a significant decrease of F2-4 frequency in post-training testing as compared to pre-training, and the PC condition showed a significant decrease of F2-4 frequency between the pre-training and mid-training tests, and between the pre-training and post-training tests.

Conclusion: These results indicate that HMD-based balance training can improve balance ability, even in normal adults, and seems especially effective for vestibular function training.

키워드

Virtual reality; Head mounted display; Static balance; Vestibular system

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