Unsupervised Virtual Reality-Based Exercise Program Improves Hip Muscle Strength and Balance Control in Older Adults: A Pilot Study
- Authors
- Kim, Jungjin; Son, Jaebum; Ko, Nayeon; Yoon, BumChul
- Issue Date
- 5월-2013
- Publisher
- W B SAUNDERS CO-ELSEVIER INC
- Keywords
- Frail elderly; Hip; Muscle strength; Rehabilitation; Virtual reality exposure therapy
- Citation
- ARCHIVES OF PHYSICAL MEDICINE AND REHABILITATION, v.94, no.5, pp.937 - 943
- Indexed
- SCIE
SCOPUS
- Journal Title
- ARCHIVES OF PHYSICAL MEDICINE AND REHABILITATION
- Volume
- 94
- Number
- 5
- Start Page
- 937
- End Page
- 943
- URI
- https://scholar.korea.ac.kr/handle/2021.sw.korea/103418
- DOI
- 10.1016/j.apmr.2012.12.010
- ISSN
- 0003-9993
- Abstract
- Objective: To assess the effects of an unsupervised virtual reality (VR)-based exercise program on hip muscle strength and balance control in older adults. Design: Controlled cohort repeated-measures experimental design, a pilot study. Setting: University research laboratory. Participants: Ambulatory older adults (N=32) from a local community. Intervention: The VR group (n=18; mean +/- SD, 68.28 +/- 3.74y; 4 men) completed the VR-based exercise program, whereas the remaining subjects in the control group (n=14; mean +/- SD, 66.21 +/- 3.87y, 1 man) were asked to continue their daily routine for 8 weeks. Main Outcome Measures: Hip muscle strength was measured using a multimodal dynamometer, and ground reaction force using the backward stepping test and the results of the crossover stepping test were recorded using a force platform. Results: The VR group showed significant improvement in hip muscle strength of the extensors, flexors, adductors, and abductors after 8 weeks (all P <=.001). However, no significant improvement was observed in the control group. The VR group had significantly greater ground reaction force on the backward stepping test (with eyes opened and closed) (all P<.005) and the crossover stepping test (with eyes opened and closed) (all P <=.001) compared with those at baseline. However, no significant improvement was observed in the control group. Conclusions: The VR-based exercise program includes the role of supervisor and feedback, which is important for older adults. Therefore, a VR-based exercise program may be a useful tool to improve decreased physical function in older adults as a home-based exercise. Archives of Physical Medicine and Rehabilitation 2013;94:937-43 (C) 2013 by the American Congress of Rehabilitation Medicine
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