Document Detail


Endurance exercise training has a minimal effect on resting heart rate: the HERITAGE Study.
MedLine Citation:
PMID:  8832536     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
This study determined the effects of a 20-wk endurance training program (The HERITAGE Family Study) on resting heart rate (HRrest). HRrest was obtained on a sample of 26 men and 21 women during sleep; during resting metabolic rate and resting blood pressure measurement periods in the early morning following a 12-h fast and 24-h post-exercise; and at rest prior to a maximal bout of exercise. Following training, the subjects exhibited a 16.0 +/- 9.4% (mean +/- SD) increase in VO2max (P < 0.05), but the HRrest for each of the resting conditions was decreased by only 1.9 to 3.4 bpm (P < 0.05), or an average across the three conditions of 2.7 bpm. In a larger sample of 253 HERITAGE subjects, HRrest obtained only at the time of the resting blood pressure measurement decreased by only 2.6 bpm, while VO2max increased 17.7 +/- 10.0%. It is concluded that there is a significant, but small, decrease in resting heart rate as a result of 20 wk of moderate- to high-intensity endurance training; which suggests a minimal alteration in either, or both, intrinsic heart rate and autonomic control of HRrest.
Authors:
J H Wilmore; P R Stanforth; J Gagnon; A S Leon; D C Rao; J S Skinner; C Bouchard
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Publication Detail:
Type:  Clinical Trial; Controlled Clinical Trial; Journal Article; Research Support, Non-U.S. Gov't; Research Support, U.S. Gov't, P.H.S.    
Journal Detail:
Title:  Medicine and science in sports and exercise     Volume:  28     ISSN:  0195-9131     ISO Abbreviation:  Med Sci Sports Exerc     Publication Date:  1996 Jul 
Date Detail:
Created Date:  1996-12-12     Completed Date:  1996-12-12     Revised Date:  2007-11-14    
Medline Journal Info:
Nlm Unique ID:  8005433     Medline TA:  Med Sci Sports Exerc     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  829-35     Citation Subset:  IM; S    
Affiliation:
University of Texas at Austin, USA.
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MeSH Terms
Descriptor/Qualifier:
Adolescent
Adult
Autonomic Nervous System / physiology
Female
Heart / innervation
Heart Rate*
Humans
Male
Middle Aged
Physical Education and Training / methods*
Physical Endurance / physiology*
Grant Support
ID/Acronym/Agency:
HL 45670/HL/NHLBI NIH HHS; HL 47323/HL/NHLBI NIH HHS; HL47317/HL/NHLBI NIH HHS

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


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