Journal of Sports Science and Medicine
Journal of Sports Science and Medicine
ISSN: 1303 - 2968   
Ios-APP Journal of Sports Science and Medicine
Androit-APP Journal of Sports Science and Medicine
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©Journal of Sports Science and Medicine (2013) 12, 475 - 480

Research article
Loading and Concurrent Synchronous Whole-Body Vibration Interaction Increases Oxygen Consumption During Resistance Exercise
Daniel H. Serravite1, David Edwards2, Elizabeth S. Edwards3, Sara E. Gallo4, Joseph F. Signorile,5,6 
Author Information
1 Florida International University Leonard M. Miller School of Medicine, USA
2 University of Virginia Leonard M. Miller School of Medicine, USA
3 James Madison University Leonard M. Miller School of Medicine, USA
4 Middlesex Hospital Primary Care-Cromwell Leonard M. Miller School of Medicine, USA
5 University of Miami, Leonard M. Miller School of Medicine, USA
6 University of Miami Leonard M. Miller School of Medicine, USA

Joseph F. Signorile
✉ Professor, Department of Kinesiology and Sports Sciences, University of Miami, USA
Email: jsignorile@miami.edu
Publish Date
Received: 20-03-2013
Accepted: 09-05-2013
Published (online): 01-09-2013
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ABSTRACT

Exercise is commonly used as an intervention to increase caloric output and positively affect body composition. A major challenge is the low compliance often seen when the prescribed exercise is associated with high levels of exertion. Whole-body vibration (WBV) may allow increased caloric output with reduced effort; however, there is limited information concerning the effect of WBV on oxygen consumption (VO2). Therefore, this study assessed the synergistic effects of resistance training and WBV on VO2. We examined VO2 at different loads (0%, 20%, and 40% body weight (BW)) and vibration intensities (No vibration (NV), 35HZ, 2-3mm (35L), 50Hz, 57mm (50H)) in ten men (26.5 ± 5.1 years). Data were collected during different stages (rest, six 30s sets of squatting, and recovery). Repeated measures ANOVA showed a stage x load x vibration interaction. Post hoc analysis revealed no differences during rest; however, a significant vibration x load interaction occurred during exercise. Both 35L and 50H produced greater VO2 than NV at a moderate load of 20%BW. Although 40%BW produced greater VO2 than 20%BW or 0%BW using NV, no significant difference in VO2 was seen among vibratory conditions at 40%BW. Moreover, no significant differences were seen between 50H and 35L at 20%BW and NV at 40%BW. During recovery there was a main effect for load. Post hoc analyses revealed that VO2 at 40%BW was significantly higher than 20%BW or 0%BW, and 20%BW produced higher VO2 than no load. Minute-by-minute analysis revealed a significant impact on VO2 due to load but not to vibratory condition. We conclude that the synergistic effect of WBV and active squatting with a moderate load is as effective at increasing VO2 as doubling the external load during squatting without WBV.

Key words: Energy expenditure, weight loss, exercise prescription


           Key Points
  • Synchronous whole body vibration in conjunction with moderate external loading (app 20% BW) can increase oxygen consumption to the same extent as heavier loading (40% BW) during performance of the parallel squat.
  • While the application of synchronous whole body vibration had no effect on recovery oxygen, under bot vibratory and non-vibratory conditions, the heavier the external load the greater the recovery oxygen consumption levels.
  • Regardless of vibratory condition, during the squatting exercise bout 40% BW produced higher heart rates than 20%BW or 0% BW, and 20% BW produced higher heart rates than 0% BW.
  • There were strong trends toward higher heart rates in both vibratory conditions (50 Hz, 5-6mm; 35 Hz, 2-3 mm) than in the non-vibratory condition regardless of external loading.
 
 
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