Effect of whole body vibration exercise on muscle activity when using elastic resistance bands
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Patterson, Jeremy A.
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Abstract
INTRODUCTION: Whole-body vibration (WBV) has been shown to increase muscle fiber recruitment during isotonic contractions. No prior published studies have used elastic resistance. PURPOSE: The main purpose of this study is to investigate the acute effects of a single bout of WBV on electromyography (EMG) activity during exercise when using elastic resistance. METHOD: 30 participants (14 male; 16 female) aged 18-30 were recruited for this study. EMG activity was then determined while participants performed the arm curl and squats using elastic resistance under three conditions: no vibration exposure, during acute vibration exposure, and following acute vibration exposure. Three upper extremity muscles were monitored during the arm curl. Vibration was administered using a vibration platform (Wave®; ProElite, Windsor, ON Canada) at a frequency of 35Hz at 4mm displacement amplitude. RESULTS: Results indicate no statistically significant differences between the three conditions for the upper body but there was a decrease in the primary muscles involved in the concentric phase of the squat immediately after vibration exposure. CONCLUSION: These results suggest that there may be an effect of vibration on muscles in the lower body following vibration.
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Research completed at the Department of Human Performance Studies and the Department of Industrial and Manufacturing Engineering, College of Education, College of Engineering
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v.8;