SportLogia
Vol. 8, Issue 2, Decembar 2012.
WHOLE BODY VIBRATION TRAINING IMPROVES MUSCULAR POWER IN A RECREATIONALLY ACTIVE POPULATION
Adam Hawkey1
1Research Centre for Sport, Exercise and Performance, University of Wolverhampton, United Kingdom
ORIGINAL SCIENTIFIC PAPER
doi: 10.5550/sgia.120802.en.116H
Summary
Whole body vibration training has been shown to improve athletic performance. However, the majority of studies have utilised relatively intensive training programmes. The current study assessed the effect of a 6-week vibration training programme on a recreationally active population. Following institutional ethics approval, 22 healthy, recreationally active male individuals were recruited and randomly assigned into either a vibration group (n = 11) or a control group (n = 11). The vibration group undertook 6-weeks training, conducted once-a-week, utilising 3 different squatting exercises (120º and 90º static squats, and 120º - 90º dynamic squat) on a NEMES Bosco vibration platform: Week 1 (3 x 60s, 35Hz/2mm); Week 2 (3 x 70s, 35Hz/2mm); Week 3 (3 x 60s, 40Hz/2mm); Week 4 (3 x 70s, 40Hz/2mm); Week 5 (3 x 60s, 45Hz/2mm); Week 6 (3 x 70s, 45Hz/2mm). The control group followed the same training programme with sham (0Hz/0mm) vibration. Prior to, and on completion of, the study all participants performed 3 maximal countermovement jumps to assess muscular power. A 2-way ANOVA with repeated measures, with one between-subject factor ″group″ (experimental vs. control) and one within-subject factor ″time″ (pre vs. post intervention), indicated that there was a significant time x group interaction (p < .0001) for countermovement jump performance between the intervention (pre- .43 ± .08m to post- .49m ± .08) and control group (pre- .43 ± .07m to post- .41 ± .08m). Results suggest that 6-week vibration training conducted once-a-week is sufficient to elicit significant increases in jumping performance in a recreationally active population.
Key words: jumping, performance, squatting, recreationally active, strength, power.
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