Various performance-enhancing effects from the same intensity of whole-body vibration training

Paohung Chung, Chiang Liu, Hsinghsiang Wang, Yu Liu, Longren Chuang, Tzyy Yuang Shiang

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

Purpose The purpose of this study was to compare the effects of an 8-week whole-body vibration training program in various frequency and amplitude settings under the same acceleration on the strength and power of the knee extensors. Methods Sixty-four young participants were randomly assigned to 1 of 4 groups with the same acceleration (4 g): high frequency and low amplitude (n = 16, 32 Hz, 1 mm) group, medium frequency and medium amplitude (n = 16, 18 Hz, 3 mm) group, low frequency and high amplitude (n = 16, 3 Hz, 114 mm) group, and control (n = 16, no vibration) group. All participants underwent 8 weeks of training with body mass dynamic squats, 3 sessions a week. Results The results showed that the high frequency and low amplitude group increased significantly in isometric contraction strength and 120°/s isokinetic concentric contraction strength; the medium frequency and medium amplitude group increased significantly in 60°/s and 120°/s isokinetic strength of both concentric and eccentric contraction; and the low frequency and high amplitude group increased significantly in 60°/s and 120°/s isokinetic eccentric contraction strength. Conclusion All frequency and amplitude settings in the 8-week whole-body vibration training increased muscle strength, but different settings resulted in various neuromuscular adaptations despite the same intensity.

Original languageEnglish
Pages (from-to)333-339
Number of pages7
JournalJournal of Sport and Health Science
Volume6
Issue number3
DOIs
Publication statusPublished - 2017 Sep 1

Keywords

  • Isokinetic contraction strength
  • Muscle contraction speed
  • Neuromuscular adaptation
  • Vibration acceleration
  • Vibration amplitude
  • Vibration frequency

ASJC Scopus subject areas

  • Orthopedics and Sports Medicine
  • Physical Therapy, Sports Therapy and Rehabilitation

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