Document Detail


Measures of cardiac autonomic control in women with differing volumes of physical activity.
MedLine Citation:
PMID:  18409109     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
In this study, we investigated heart rate variability in women who exercise regularly, but with differing volumes of physical activity. Forty women participated and were allocated to either a "high" or "moderate" activity group. Heart rate as R-R intervals was recorded during supine rest and analysed using time domain, frequency domain, and Poincaré plot techniques. All time domain and Poincaré analysis measures revealed significant differences in heart rate variability between the "high" and "moderate" activity groups. Frequency domain analysis also revealed a significant difference between the two groups in absolute measures of high-frequency and low-frequency power, but not between measures such as the low-frequency/high-frequency ratio, proposed to represent the sympathetic/parasympathetic balance of cardiac control. The results demonstrate that there is a significant difference in heart rate variability between women who engage in "high" compared with "moderate" volumes of physical activity, which may have implications for cardiac autonomic health.
Authors:
Michael Gilder; Roger Ramsbottom
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Journal of sports sciences     Volume:  26     ISSN:  0264-0414     ISO Abbreviation:  J Sports Sci     Publication Date:  2008 May 
Date Detail:
Created Date:  2008-04-14     Completed Date:  2008-09-16     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8405364     Medline TA:  J Sports Sci     Country:  England    
Other Details:
Languages:  eng     Pagination:  781-6     Citation Subset:  IM    
Affiliation:
School of Life Sciences, Oxford Brookes University, Oxford, UK. mgilder@brookes.ac.uk
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MeSH Terms
Descriptor/Qualifier:
Adolescent
Adult
Autonomic Nervous System / physiology*
Exercise / physiology*
Female
Heart Rate / physiology*
Humans
Rest

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