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 (2011) 10, 559 - 564

Research article
Effects of Vibration Training and Detraining on Balance and Muscle Strength in Older Adults
Pedro J. Marín1,2, , Aurora Martín-López3, Davinia Vicente-Campos4,5, MT Angulo-Carrere4, Teresa García-Pastor6, Nuria Garatachea7, José L. Chicharro4
Author Information
1 Laboratory of Physiology, European University Miguel de Cervantes, Valladolid, Spain
2 Research Center on Physical Disability, ASPAYM Castilla y León, Valladolid, Spain
3 Residence of the Third Age "Grupo Los Nogales - Santa Eugenia", Madrid, Spain
4 School of Nursing, Complutense University of Madrid, Madrid, Spain
5 University Francisco de Vitoria, Madrid, Spain
6 University Camilo José Cela, Madrid, Spain
7 Faculty of Health and Sport Science, University of Zaragoza, Spain

Pedro J. Marín
✉ Laboratory of Physiology, European University Miguel de Cervantes, Valladolid, Spain. Research Center on Physical Disability, ASPAYM Castilla y León, Spain.
Email: pjmarin@uemc.es
Publish Date
Received: 14-03-2011
Accepted: 22-07-2011
Published (online): 01-09-2011
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ABSTRACT

The purpose of this study was to analyze the effects of 2 days/week versus 4 days/week of Whole Body Vibration (WBV) during eight weeks of WBV training on health-related quality of life (SF-36), balance and lower body strength, as well as short-term detraining (3 weeks) on balance and lower body strength among older adults. Thirty-four older adults were randomly assigned to a control group (Control; n = 11) or to one of the vibration training groups: WBV 2 days/week (WBV_2d; n = 11) or WBV 4 days/week (WBV_4d; n = 12). The WBV groups exercised for 8 weeks, following 3 weeks of detraining. Lower body strength increased significantly (p < 0.05) for both groups, WBV_2d and WBV_4d, after 8-week training. A significant reduction in strength was observed following 3 weeks of detraining only in WBV_2d group (p < 0.05). All variables of the SF-36 and the balance test did not change after intervention in any group. 2 days/week and 4 days/week of WBV during 8 weeks showed the same improvements on muscle strength. 3 weeks of detraining did not reverse the gains in strength made during 32 sessions of WBV.

Key words: Whole-body vibrations, posturography, dose-response, equilibrium


           Key Points
  • 2 days and 4 days per week of WBV training during 8 weeks showed the same improvements on muscle strength.
  • 3 weeks of detraining did not reverse the gains in strength made during 32 sessions of WBV exercise.
  • 3 weeks of detraining did reverse the gains in strength made during 16 sessions of WBV exercise.
 
 
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