Document Detail


The effects of high-intensity intermittent exercise training on cardiovascular response to mental and physical challenge.
MedLine Citation:
PMID:  23220158     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
The purpose was to examine the effect of a 12-week exercise intervention on the cardiovascular and autonomic response of males to mental and physical challenge. Thirty four young overweight males were randomly assigned to either an exercise or control group. The exercise group completed a high-intensity intermittent exercise (HIIE) program three times per week for 12 weeks. Cardiovascular response to the Stroop task was determined before and after the intervention by assessing heart rate (HR), stroke volume (SV), arterial stiffness, baroreflex sensitivity (BRS), and skeletal muscle blood flow. The exercise group improved their aerobic fitness levels by 17% and reduced their body weight by 1.6 kg. Exercisers compared to controls experienced a significant reduction in HR (p < 0.001) and a significant increase in SV (p < 0.001) at rest and during Stroop and exercise. For exercisers, arterial stiffness significantly decreased at rest and during Stroop (p < 0.01), whereas BRS was increased at rest and during Stroop (p < 0.01). Forearm blood flow was significantly increased during the first two minutes of Stroop (p < 0.05). HIIE induced significant cardiovascular and autonomic changes at rest and during mental and physical challenge after 12 weeks of training.
Authors:
Mehrdad Heydari; Yati N Boutcher; Stephen H Boutcher
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-12-6
Journal Detail:
Title:  International journal of psychophysiology : official journal of the International Organization of Psychophysiology     Volume:  -     ISSN:  1872-7697     ISO Abbreviation:  Int J Psychophysiol     Publication Date:  2012 Dec 
Date Detail:
Created Date:  2012-12-10     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8406214     Medline TA:  Int J Psychophysiol     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
Copyright © 2012. Published by Elsevier B.V.
Affiliation:
University of New South Wales, Australia.
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