n African Journal for Physical Health Education, Recreation and Dance - A comparison of muscular activity of the quadriceps muscles with whole-body vibration and a stable platform

Volume 20, Issue 1
  • ISSN : 1117-4315


Whole body vibration has become a popular addition to the traditional training regimes employed in health and fitness centres and a key component of the training programmes of many sportspeople. Despite numerous research projects on whole body vibration, uncertainty still exists about the potential benefits of whole body vibration as a training method. The aim of this study was to determine differences in muscular activity in the thigh muscles during a static squat and a squat using whole body vibration at different frequencies. A total of 31 participants were part of two stages of testing, one which involved a squat on a stable platform and the other one the squat performed on the Power Plate® at frequencies of 30Hz, 35Hz, and 40Hz. Both squats were static and isometric, as this has been shown to produce higher muscle activation over a 30sec period. Results showed that the squat performed on the Power Plate® resulted in a greater increase in muscular activity at 30Hz and 35Hz (p < .05) but not at 40Hz. Although some studies have shown a greater response at higher frequencies, differing exercise activities used may be the cause and therefore health practitioners should use a combination of low and high frequencies as well as exercise activities when using vibration rehabilitation or training. Based on the results of this study, it is concluded that vibration training can be used as an additional form of strength and conditioning training for health and sport practitioners.

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