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KMID : 1012020190080010032
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Physical Therapy Rehabilitation Science
2019 Volume.8 No. 1 p.32 ~ p.39
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Effectiveness of whole body vibratory stimulation for fall prevention in super-aged women: a preliminary randomized trial
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Kim Byeong-Soo
Lim Kang-Uk
Baek In-Seon
Kim Min-Kyoung
Kang Hye-Min
Nam Gi-Jeong
Lee Myung-Mo
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Abstract
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Objective: The aim of this study is to investigate the effects of whole body vibratory stimulation on muscle strength, balance, and fall efficacy among super-aged women.
Design: Randomized controlled trial.
Methods: Twenty-eight super-aged women over 80 years of age were assigned to either the experimental group (n=14) and control group (n=14). The experimental group received an exercise program that used the whole body vibratory stimulation with a frequency of 30 Hz and amplitude of 3 mm, and the control group received an exercise program without vibratory stimulation. Intervention was provided for 4 weeks, 3 sessions per week, and 30 minutes per session. In order to measure lower extremity muscle strength the 30-second chair stand test (CST) was used. The Berg Balance Scale (BBS) was used to measure dynamic balance. Static balance was measured by tracking the path length, velocity, and area of the center of pressure (CoP). The Falls Efficacy Scale (FES) was used to measure the subjects’ fear of falling.
Results: Both the experimental and control group demonstrated statistically significant increase in muscle strength, dynamic balance, and fall efficacy (p<0.05). Only the experimental group showed significant improvements in static balance before and after the intervention (p<0.05). The experimental group showed significantly greater improvements in CST, BBS, and CoP (path length, velocity) than control group (p<0.05).
Conclusions: Whole body vibratory stimulation exercise is shown to be a safe and appropriate physical therapy intervention method to enhance muscle strength, balance, and fall efficacy of super-aged women.
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KEYWORD
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Accident prevention, Aged, Postural balance, Vibration, Women
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