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Is 20 Hz Whole-Body Vibration Training Better for Older Individuals than 40 Hz?

Author

Listed:
  • Shiuan-Yu Tseng

    (Graduate Institute of Service Industries and Management, Minghsin University of Science and Technology, Hsinchu 30401, Taiwan)

  • Chung-Po Ko

    (Department of Neurosurgery, Tungs’ Taichung MetroHarbor Hospital, Taichung 43503, Taiwan)

  • Chin-Yen Tseng

    (Department of Physical Therapy, Upright Come Scoliosis Clinic, Hsinchu 30286, Taiwan)

  • Wei-Ching Huang

    (Department of Physical Medicine and Rehabilitation, Taichung Hospital, Ministry of Health and Welfare, Taichung 40343, Taiwan)

  • Chung-Liang Lai

    (Department of Occupational Therapy, College of Medical and Health Science, Asia University, Taichung 41354, Taiwan
    Department of Physical Medicine and Rehabilitation, Puzi Hospital, Ministry of Health and Welfare, Chiayi County 61347, Taiwan)

  • Chun-Hou Wang

    (Department of Physical Therapy, Chung Shan Medical University, Taichung 40201, Taiwan
    Physical Therapy Room, Chung Shan Medical University Hospital, Taichung 40201, Taiwan)

Abstract

In recent years, whole-body vibration (WBV) training has been used as a training method in health promotion. This study attempted to use WBV at three different frequencies (20, 30, and 40 Hz) with subjects from different age groups to analyze the activation of the rectus femoris muscle. The subjects included 47 females and 51 males with an average age of 45.1 ± 15.2 years. Results indicated significant differences in subjects from different age groups at 20 Hz WBV. Muscle contraction was greater in the subjects who were older (F (4,93) = 82.448, p < 0.001). However, at 30 Hz WBV, the difference was not significant (F (4,93) = 2.373, p = 0.058). At 40 Hz WBV, muscle contraction was less in the older subjects than in the younger subjects (F (4,93) = 18.025, p < 0.001). The spectrum analysis also indicated that at 40 Hz there was less muscle activity during WBV in the older subjects than in the younger ones. Therefore, age was found to have a significant effect on muscle activation during WBV at different frequencies. If the training is offered to elderly subjects, their neuromuscular responses to 20 Hz WBV will be more suitable than to 40 Hz WBV.

Suggested Citation

  • Shiuan-Yu Tseng & Chung-Po Ko & Chin-Yen Tseng & Wei-Ching Huang & Chung-Liang Lai & Chun-Hou Wang, 2021. "Is 20 Hz Whole-Body Vibration Training Better for Older Individuals than 40 Hz?," IJERPH, MDPI, vol. 18(22), pages 1-9, November.
    • Handle: RePEc:gam:jijerp:v:18:y:2021:i:22:p:11942-:d:678559
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    Cited by:

    1. Shiuan-Yu Tseng & Chung-Liang Lai & Chung-Po Ko & Yu-Kang Chang & Hueng-Chuen Fan & Chun-Hou Wang, 2023. "The Effectiveness of Whole-Body Vibration and Heat Therapy on the Muscle Strength, Flexibility, and Balance Abilities of Elderly Groups," IJERPH, MDPI, vol. 20(2), pages 1-11, January.

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