Document Detail


Effects of exercise on endothelium and endothelium/smooth muscle cross talk: role of exercise-induced hemodynamics.
MedLine Citation:
PMID:  21436465     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
Physical activity, exercise training, and fitness are associated with decreased cardiovascular risk. In the context that a risk factor "gap" exists in the explanation for the beneficial effects of exercise on cardiovascular disease, it has recently been proposed that exercise generates hemodynamic stimuli which exert direct effects on the vasculature that are antiatherogenic. In this review we briefly introduce some of the in vitro and in vivo evidence relating exercise hemodynamic modulation and vascular adaptation. In vitro data clearly demonstrate the importance of shear stress as a potential mechanism underlying vascular adaptations associated with exercise. Supporting this is in vivo human data demonstrating that exercise-mediated shear stress induces localized impacts on arterial function and diameter. Emerging evidence suggests that exercise-related changes in hemodynamic stimuli other than shear stress may also be associated with arterial remodeling. Taken together, in vitro and in vivo data strongly imply that hemodynamic influences combine to orchestrate a response to exercise and training that regulates wall stress and peripheral vascular resistance and contributes to the antiatherogenic impacts of physical activity, fitness, and training.
Authors:
S C Newcomer; Dick H J Thijssen; D J Green
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't; Review     Date:  2011-03-24
Journal Detail:
Title:  Journal of applied physiology (Bethesda, Md. : 1985)     Volume:  111     ISSN:  1522-1601     ISO Abbreviation:  J. Appl. Physiol.     Publication Date:  2011 Jul 
Date Detail:
Created Date:  2011-07-12     Completed Date:  2013-07-08     Revised Date:  2013-09-26    
Medline Journal Info:
Nlm Unique ID:  8502536     Medline TA:  J Appl Physiol (1985)     Country:  United States    
Other Details:
Languages:  eng     Pagination:  311-20     Citation Subset:  IM    
Affiliation:
Department of Health and Kinesiology, Purdue University, West Lafayette, IN 47907, USA. snewcome@purdue.edu
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MeSH Terms
Descriptor/Qualifier:
Adaptation, Physiological
Animals
Cardiovascular Diseases / etiology,  physiopathology,  prevention & control*
Endothelium, Vascular / physiopathology*
Exercise*
Hemodynamics*
Humans
Muscle, Smooth, Vascular / physiopathology*
Stress, Mechanical

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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