Document Detail

Whole-body vibration applied during upper body exercise improves performance.
MedLine Citation:
PMID:  23085972     Owner:  NLM     Status:  Publisher    
ABSTRACT: Whole-body vibration training has exercisers perform static and dynamic resistance training exercises on a ground-based platform. Exposure to WBV exposure has demonstrated benefits and no effect on lower body strength, power, and performance. The aim of this study was determine if WBV exposure (50 Hz, 2.51 mm) has any potentiating effects post-exercise by measuring the kinematic variables of a set of upper body elbow extensor exercise (70% one-repetition maximum [1RM]) to volitional exhaustion. Sixteen recreationally active students (12 males and 4 females) performed three different experimental conditions on separate days. Each condition had subject's perform one set of elbow-extension exercise to fatigue with one of three WBV treatments: WBV simultaneously during the set (AE); 60 s after application of WBV for 30 s (RE); and no WBV (CTRL). Kinematic parameters of each repetition were monitored by linking a rotary encoder to the highest load plate. Mean velocity and acceleration throughout the set, as well as perceived exertion was analyzed. A significant increase (p <0.05) was observed in the mean velocity for the whole set in AE condition versus the CTRL condition. The mean acceleration was significantly higher (p <0.05) in AE condition in comparison to RE (increased by 45.3%) and CTRL (increased by 50.4%) conditions. The positive effect induced by WBV on upper limb performance is only achieved when the stimulus is applied during the exercise. However, WBV applied 60 s prior to upper body exercise results in no benefit.
Pedro J Marín; Azael J Herrero; Milton John; Tom J Hazell; David García-López
Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-10-18
Journal Detail:
Title:  Journal of strength and conditioning research / National Strength & Conditioning Association     Volume:  -     ISSN:  1533-4287     ISO Abbreviation:  J Strength Cond Res     Publication Date:  2012 Oct 
Date Detail:
Created Date:  2012-10-22     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9415084     Medline TA:  J Strength Cond Res     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
1Laboratory of Physiology, European University Miguel de Cervantes, Valladolid, Spain. 2Research Center on Physical Disability, ASPAYM Castilla y León, Spain. 3Joint Science Department of Claremont Mckenna, Pitzer and Scripps Colleges, W. M. Keck Science Center, The Claremont Colleges, 925 N. Mills Av., Claremont, CA 91711,USA. 4School of Dietetics and Human Nutrition, McGill University, Ste-Anne-de-Bellevue, Quebec, H9X 2E3.
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