The Acute Affects of Whole-Body Vibration on Power Output and Muscular Activation of the Vastus Lateralis in College-Aged Female Basketball Players
Faculty Mentor(s)
Dr. Kevin Cole
Document Type
Poster
Event Date
4-12-2013
Abstract
Whole-body vibration (WBV) is a nontraditional training technique that provides mechanical stimulation that may produce acute adaptive neuromuscular responses that include an increase in motor unit recruitment and muscle fiber activation and synchronization. These muscle adaptations may increase overall power output and electrical activity of the muscle, which can improve athletic performance. This study was designed to determine the effects of acute bouts of WBV on power output and muscular activation of the vastus lateralis. It was hypothesized that in a repeated measures design, the WBV intervention (n=9) for one minute would induce an increase in power output and muscular activation in the vastus lateralis as measured by vertical jump and electromyography (EMG), while no change would be observed in the control treatment. Following the completion of both experimental and control treatments, no significant differences were observed in peak power (p=0.738; control =0.00 + 103 (W); experimental =17.5 + 86 (W)) or muscle activation (p=0.635; control =-0.4122 + 1.03 (V); experimental =-0.2433 + 0.66 (V)). Accordingly, there is little evidence to support previous findings that WBV increases power output and muscular activation, though the present study has a number of limitations that may have contributed to these findings.
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