Effects of static acceleration training with a whole-body vibration machine in community-dwelling older adults

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  • Tsuji Taishi
    <i>Graduate School of Comprehensive Human Science, University of Tsukuba, Institute of Health and Sport Sciences, University of Tsukuba</i>
  • Yoon Ji-Yeong
    <i>Graduate School of Comprehensive Human Science, University of Tsukuba, Institute of Health and Sport Sciences, University of Tsukuba</i>
  • Mitsuishi Yasuhiro
    <i>Graduate School of Comprehensive Human Science, University of Tsukuba, Institute of Health and Sport Sciences, University of Tsukuba</i>
  • Someya Noriko
    <i>THF Co.,Ltd</i>
  • Kozawa Takako
    <i>THF Co.,Ltd</i>
  • Okura Tomohiro
    <i>Faculty of Health and Sport Sciences, University of Tsukuba, Institute of Health and Sport Sciences, University of Tsukuba</i>
  • Tanaka Kiyoji
    <i>Faculty of Health and Sport Sciences, University of Tsukuba, Institute of Health and Sport Sciences, University of Tsukuba</i>

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Other Title
  • 地域在住高齢者における全身振動機器を使用した静的なアクセラレーショントレーニングの有効性
  • チイキ ザイジュウ コウレイシャ ニ オケル ゼンシン シンドウ キキ オ シヨウ シタ セイテキ ナ アクセラレーショントレーニング ノ ユウコウセイ

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The purpose of this study was to examine the effects of 9 weeks of resistance training, with and without static acceleration training (AT), on participants' lower-limb muscle strength, power, and physical function. Healthy participants (19 men and 28 women), aged 65-75 years, were assigned to a static AT group (AT, n = 31) or a non-AT control group (C, n = 16). The AT group and the C group trained three times/week for 9 weeks. The AT group performed unloaded static AT and low-intensity aerobic activity. The C group performed dynamic weight-bearing resistance training without whole-body vibration and the same aerobic activity as the AT group. We collected and analyzed data from 45 participants (AT = 30, C = 15) who completed pre- and post-tests. There was no significant Group × Time interaction on any measurements of lower-limb muscle strength, power, or physical function. Significant time effects were observed in the following tests: isokinetic knee extensor and flexor peak torque, 5-time sit-to-stand, usual gait speed, timed up and go, standing time from a long sitting position, and sit and reach. All of these 7 variables showed positive changes. These results suggest that static AT is a suitable training method having approximately the same efficiency as conventional, weight-bearing, dynamic resistance training for improving lower-limb muscle strength and power, mobility, and flexibility in community-dwelling Japanese older adults.

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