Document Detail

Whole-body vibration training: Metabolic cost of synchronous, side-alternating or no vibrations.
MedLine Citation:
PMID:  22845178     Owner:  NLM     Status:  Publisher    
Abstract Whole-body vibration training improves strength and can increase maximal oxygen consumption ([Vdot]O(2max)). No study has compared the metabolic demand of synchronous and side-alternating whole-body vibration. We measured [Vdot]O(2) and heart rate during a typical synchronous or side-alternating whole-body vibration session in 10 young female sedentary participants. The 20-min session consisted of three sets of six 45-s exercises, with 15 s recovery between exercises. Three conditions wererandomly tested on separate days: synchronous at 35 Hz and 4 mm amplitude, side-alternating at 26 Hz and 7.5 mm amplitude (peak acceleration matched at 20 g in both vibration conditions), and no vibrations. Mean [Vdot]O(2) (expressed as %[Vdot]O(2max)) did not differ between conditions: 29.7 ± 4.2%, 32.4 ± 6.5%, and 28.7 ± 6.7% for synchronous, side-alternating, and no vibrations respectively (P = 0.103). Mean heart rate (% maximal heart rate) was 65.6 ± 7.3%, 69.8 ± 7.9%, and 64.7 ± 5.6% for synchronous, side-alternating, and no vibrations respectively, with the side-alternating vibrations being significantly higher (P = 0.019). When analysing changes over exercise sessions, mean [Vdot]O(2) was higher for side-alternating (P < 0.001) than for synchronous and no vibrations. In conclusion, side-alternating whole-body vibration elicits higher heart rate responses than synchronous or no vibrations, and could elevate [Vdot]O(2), provided the session lasts more than 20 min.
Boris Gojanovic; Yves Henchoz
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-7-30
Journal Detail:
Title:  Journal of sports sciences     Volume:  -     ISSN:  1466-447X     ISO Abbreviation:  -     Publication Date:  2012 Jul 
Date Detail:
Created Date:  2012-7-31     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8405364     Medline TA:  J Sports Sci     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
a Swiss Olympic Medical Centre, Centre Hospitalier Universitaire Vaudois and University of Lausanne , Lausanne , Switzerland.
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