| Exercise modulation of cardiorespiratory variability in humans. | |
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MedLine Citation:
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PMID: 20452468 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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Cardiorespiratory variability is the product of the integration of centrally generated rhythms with feedback from central and peripheral sensors. To quantify the effect of increased central drive on scaling patterns of cardiorespiratory activity, breath-to-breath interval (BBI) and heartbeat-to-heartbeat interval (RRI) were recorded from 17 female and 17 male adult subjects at rest and at two levels of mild exercise. Temporal scaling of BBI and RRI was quantified with detrended fluctuation analysis. Relative to a resting state, exercise induced a decrease in the short-term scaling of BBI (p=0.022), an increase in the long-term scaling of RRI (p=0.006), and abolished a significant positive linear relationship in females subjects (p=0.024) and a significant negative relationship in male subjects (p=0.025) in the short-term scaling of BBI and RRI. In conclusion, exercise has opposing effects on the control of breathing and heart rate, and modulates a divergent gender-based coupling of the temporal scaling of cardiorespiratory function. |
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Authors:
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Brett F Busha |
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Publication Detail:
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Type: Journal Article; Randomized Controlled Trial; Research Support, Non-U.S. Gov't Date: 2010-05-07 |
Journal Detail:
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Title: Respiratory physiology & neurobiology Volume: 172 ISSN: 1878-1519 ISO Abbreviation: Respir Physiol Neurobiol Publication Date: 2010 Jun |
Date Detail:
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Created Date: 2010-06-14 Completed Date: 2010-09-17 Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 101140022 Medline TA: Respir Physiol Neurobiol Country: Netherlands |
Other Details:
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Languages: eng Pagination: 72-80 Citation Subset: IM |
Copyright Information:
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Copyright 2010 Elsevier B.V. All rights reserved. |
Affiliation:
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Department of Electrical and Computer Engineering, The College of New Jersey, PO Box 7718, Ewing, NJ 08628, United States. busha@tcnj.edu |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Adolescent Analysis of Variance Electrocardiography / methods Exercise / physiology* Female Heart Rate / physiology* Humans Male Reference Values Respiration* Statistics as Topic Time Factors Young Adult |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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