Effect of whole-body vibration for 3 months on arterial stiffness in the middle-aged and elderly
Received 7 January 2014
Accepted for publication 11 February 2014
Published 12 May 2014 Volume 2014:9 Pages 821—828
Checked for plagiarism Yes
Review by Single anonymous peer review
Peer reviewer comments 4
Chung-Liang Lai,1,2 Han-Yu Chen,3 Shiuan-Yu Tseng,1,2 Wan-Chun Liao,2 Bing-Tang Liu,2 Meng-Chih Lee,1,4,* Hsin-Shui Chen5,6,*
1Institute of Medicine, Chung Shan Medical University, Taichung, Taiwan; 2Department of Physical Medicine and Rehabilitation, Taichung Hospital, Ministry of Health and Welfare, Taichung, Taiwan; 3Department of Physical Therapy, Hungkuang University, Taichung, Taiwan; 4Department of Family Medicine, Taichung Hospital, Ministry of Health and Welfare, Taichung, Taiwan; 5Department of Physical Medicine and Rehabilitation, China Medical University Beigang Hospital, Yunlin, Taiwan; 6School of Medicine, College of Medicine, China Medical University, Taichung, Taiwan
*These authors contributed equally to this work
Background: Cardiovascular disease (CVD) is a common problem of middle-aged and older adults. Increased arterial stiffness is a CVD risk factor. Whole-body vibration (WBV) is a simple and convenient exercise for middle-aged and older adults; however, there have been few studies investigating the effect of WBV on arterial stiffness. This study mainly investigated the effect of WBV on arterial stiffness in middle-aged and older adults.
Methods: A total of 38 (21 women and 17 men) middle-aged and elderly subjects (average age, 61.9 years) were randomly divided into the WBV group and the control group for a 3-month trial. The WBV group received an intervention of 30 Hz and 3.2 g WBV in a natural full standing posture at a sports center. The brachial–ankle pulse wave velocity (baPWV), a marker of systemic arterial stiffness, and blood pressure and heart rate were measured before and after the intervention.
Results: After 3 months, there were no significant changes in blood pressure or heart rate in both groups. However, the bilateral baPWV was significantly reduced in the WBV group (decreased by 0.65 m/second [P=0.014]; 0.63 m/second [P=0.041] in either side), but not in the control group. The comparison between the two groups was not statistically significant.
Conclusion: This study found that 3 months of WBV had a positive effect on arterial stiffness in middle-aged and older adults and could therefore be regarded as a supplementary exercise. Larger-scale studies are needed to confirm the effects of WBV in the future.
Keywords: whole-body vibration, arterial stiffness, middle-aged, elderly
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