The effect of whole body vibration on oxygen uptake and electromyographic signal of the rectus femoris muscle during static and dynamic squat

Felice Di Iorio, Mario Cesarelli, Paolo Bifulco, Antonio Fratini, Eliana Roveda, Mariano Ruffo

Research output: Contribution to journalArticle

Abstract

Whole Body Vibrations consist of a vibration stimulus mechanically transferred to the body. The impact of vibration treatment on specific muscular activity, neuromuscular, and postural control has been widely studied. We investigated whole body vibration (WBV) effect on oxygen uptake and electromyographic signal of the rectus femoris muscle during static and dynamic squat. Fourteen healthy subjects performed a static and dynamic squat with and without vibration. During the vibration exercises, a significant increase was found in oxygen uptake (P=0.05), which increased by 44% during the static squat and 29.4% during the dynamic squat. Vibration increased heart rate by 11.1 ± 9.1 beats.min-1 during the static squat and 7.9 ± 8.3 beats.min-1 during the dynamic squat. No significant changes were observed in rate of perceived exertion between the exercises with and without vibration. The results indicate that the static squat with WBV produced higher neuromuscular and cardiorespiratory system activation for exercise duration ?60 sec. Otherwise, if the single bout duration was higher than 60 sec, the greater cardiorespiratory system activation was achieved during the dynamic squat with WBV while higher neuromuscular activation was still obtained with the static exercise.

Original languageEnglish
Pages (from-to)18-31
Number of pages14
JournalJournal of Exercise Physiology Online
Volume15
Issue number5
Publication statusPublished - Oct 2012

Keywords

  • Heart rate
  • Oxygen consumption
  • Vibration treatment

ASJC Scopus subject areas

  • Physiology (medical)

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