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The Journal of Sports Medicine and Physical Fitness 2010 December;50(4):407-15

Copyright © 2010 EDIZIONI MINERVA MEDICA

language: English

Effects of the different frequencies of whole-body vibration during the recovery phase after exhaustive exercise

Cheng C.-F. 1, Hsu W.-C. 2, Lee C.-L. 3, Chung P.-K. 4

1 Department of Athletic Performance, National Taiwan Normal University, Taipei, Taiwan;
2 Graduate Institute of Exercise and Sports Science, Taipei Physical Education College, Taipei, Taiwan;
3 Department of Recreational Sports Management, Yu Da University Miaoli County, Taiwan;
4 Department of Physical Education, Hong Kong Baptist University, Hong Kong, China


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AIM: This study was to investigate the effects of vibration exercise on the oxygen consumption (VO2) and heart rate variability (HRV) during the recovery phase after exhaustive exercise.
METHODS: Twenty male college students volunteered as subjects to participate in the study. The subjects were randomly crossover assigned to perform three 10 min vibration exercises, namely non-vibration (CON, 0 Hz, 0 mm), low-frequency (LFT, 20 Hz, 0.4 mm) and high-frequency (HFT, 36 Hz, 0.4 mm) treatments immediately after an incremental exhaustive cycling exercise in separated days. The beat-to-beat HRV, blood lactate concentration and VO2 were measured during the 1-hour recovery phase. The time- and frequency-domain indices of HRV were analyzed to confirm the effects of vibration exercises on the cardiac autonomic modulation.
RESULTS: There were no significant differences on the VO2, HRV and blood lactate concentrations at 30th minute (post-30 min) or 60th minute (post-60 min) during the recovery phase among the three treatments. There were also no significant differences on the excess post-exercise oxygen consumption (EPOC) during the recovery phase among the treatments. However, the VO2 at post-30 min in CON and LFT were significantly higher than the baseline values, whereas the VO2 in HFT returned to resting condition at the post-30 min.
CONCLUSIONS: The results indicate that both low and high frequency vibration exercises could not improve the physiological recovery after exhaustive cycling exercise. However, the high frequency vibration exercise probably has a potential to facilitate the VO2 to return to the resting level during the recovery phase.

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