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Abstract

Both yoga and whole-body vibration exercise may have a wide-range of positive effects independent of each other. PURPOSE: The purpose of this study was to examine the acute effects of yoga performed on and off a vibration platform on blood pressure, flexibility, and vertical jump. METHODS: Subjects (n = 14; 9 females, 5 males; mean age = 22.5 ±1.9) completed 3randomized protocols of yoga on and off a vibration platform. The testing protocols were: 1) yoga poses on vibration platform with low frequency and low amplitude (PPL), 2) yoga poses on platform with high frequency and high amplitude (PPH), and 3) traditional yoga performed on a flat, static surface (CON). Following a general warm-up, two trials (30 s rest between) of the vertical jump (CMJ) and the sit-and-reach test (SR) were performed by each subject. The best values for each test were recorded for statistical analysis. After the culmination of the pre-tests, the subjects performed two rounds of 8 different poses, holding each pose for 30 s, resting 60 s between each pose. HR and BP were taken between each pose during rest. HR and BP were recorded while the subject was at rest for 20 minutes (5-minute intervals) following protocols. RESULTS: There were no significant time*gender interaction, condition main effect, or time main effect for CMJ, however a significant time main effect was observed for SR (p<0.01). A significant decrease in SBP was observed following the PPH session at the 10-minute mark post-exercise (p<0.02). Diastolic blood pressure (DBP) showed a significant time difference (p<0.03), and there was also a trend for time*gender interaction (p=0.062). Changes in DBP values following exercises were higher in males than the values in DBP seen in females. There were significant time main effect (p<0.01) and significant time*gender interaction for heart rate (p<0.01). CONCLUSION: The significant decrease in SBP following a bout of yoga on a vibration platform at high frequency and amplitude could be due to a greater activation of skeletal muscle resulting in a higher level of physiological changes such as increased local temperature, and/or by-products, and/or mechanical activity of muscle fiber leading to greater levels of vasodilation and decreased total peripheral resistance. The findings may have a practical application as an alternative treatment for high blood pressure. Future studies should investigate chronic effect of yoga on vibration platform on blood pressure.

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