Effects of resistance training with whole-body vibration on muscle fitness in untrained adults

Y. Osawa, Yuko Oguma

Research output: Contribution to journalArticle

25 Citations (Scopus)

Abstract

The effects of resistance training (RT) combined with whole-body vibration (WBV) on muscle fitness, particularly muscle hypertrophy and neuromuscular performance, are not well understood. We investigated the effects of WBV in healthy, untrained participants after a 13-week RT course by performing magnetic resonance imaging and by measuring maximal isometric (with electromyography) and isokinetic knee extension strengths, isometric lumbar extension torque, countermovement-jump, knee extension endurance, and sit-ups. Thirty-two individuals (22-49 years old) were randomly assigned to RT groups with (RT-WBV, n=16) or without WBV (RT, n=16). Following the RT course, significantly higher increases in the cross-sectional areas of m. psoas major (vs baseline values) and erector spinae muscle (vs the RT group) were observed in the RT-WBV group (+10.7%, P<0.05; +8.7%, P<0.05) compared with the RT group (+3.8%, P=0.045; 0.0%). Higher increases from baseline were also observed in maximal isometric force, concentric knee extension torque, countermovement-jump, and maximal isometric lumbar extension torque in RT-WBV (+63.5%; +76.7%, +15.0%, and +51.5%, respectively; P<0.05) than in those of RT (+25.6%, P=0.001; +17.8%, P=0.18; +11.3%, P=0.001; and +26.4%, P<0.001, respectively). The WBV-induced increases in muscle hypertrophy and isometric lumbar extension torque suggest a potential benefit of incorporating WBV into slow-velocity RT programs involving exercises of long duration.

Original languageEnglish
Pages (from-to)84-95
Number of pages12
JournalScandinavian Journal of Medicine and Science in Sports
Volume23
Issue number1
DOIs
Publication statusPublished - 2013 Feb

Fingerprint

Resistance Training
Vibration
Muscles
Torque
Knee
Hypertrophy
Electromyography
Healthy Volunteers
Magnetic Resonance Imaging
Exercise

Keywords

  • Muscle mass
  • Neural adaptation
  • Novice
  • Platform
  • Training program
  • Trunk muscle
  • Vibration

ASJC Scopus subject areas

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

Cite this

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title = "Effects of resistance training with whole-body vibration on muscle fitness in untrained adults",
abstract = "The effects of resistance training (RT) combined with whole-body vibration (WBV) on muscle fitness, particularly muscle hypertrophy and neuromuscular performance, are not well understood. We investigated the effects of WBV in healthy, untrained participants after a 13-week RT course by performing magnetic resonance imaging and by measuring maximal isometric (with electromyography) and isokinetic knee extension strengths, isometric lumbar extension torque, countermovement-jump, knee extension endurance, and sit-ups. Thirty-two individuals (22-49 years old) were randomly assigned to RT groups with (RT-WBV, n=16) or without WBV (RT, n=16). Following the RT course, significantly higher increases in the cross-sectional areas of m. psoas major (vs baseline values) and erector spinae muscle (vs the RT group) were observed in the RT-WBV group (+10.7{\%}, P<0.05; +8.7{\%}, P<0.05) compared with the RT group (+3.8{\%}, P=0.045; 0.0{\%}). Higher increases from baseline were also observed in maximal isometric force, concentric knee extension torque, countermovement-jump, and maximal isometric lumbar extension torque in RT-WBV (+63.5{\%}; +76.7{\%}, +15.0{\%}, and +51.5{\%}, respectively; P<0.05) than in those of RT (+25.6{\%}, P=0.001; +17.8{\%}, P=0.18; +11.3{\%}, P=0.001; and +26.4{\%}, P<0.001, respectively). The WBV-induced increases in muscle hypertrophy and isometric lumbar extension torque suggest a potential benefit of incorporating WBV into slow-velocity RT programs involving exercises of long duration.",
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