| High-intensity intermittent exercise and cardiovascular and autonomic function. | |
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MedLine Citation:
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PMID: 23104677 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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OBJECTIVE: The effect of 12 weeks of high-intensity intermittent exercise (HIIE) on cardiac, vascular, and autonomic function of young males was examined. METHODS: Thirty-eight young men with a BMI of 28.7 ± 3.1 kg m(-2) and age 24.9 ± 4.3 years were randomly assigned to either an HIIE or control group. The exercise group underwent HIIE three times per week, 20 min per session, for 12 weeks. Aerobic power and a range of cardiac, vascular, and autonomic measures were recorded before and after the exercise intervention. RESULTS: The exercise, compared to the control group, recorded a significant reduction in heart rate accompanied by an increase in stroke volume. For the exercise group forearm vasodilatory capacity was significantly enhanced, P < 0.05. Arterial stiffness, determined by pulse wave velocity and augmentation index, was also significantly improved, after the 12-week intervention. For the exercise group, heart period variability (low- and high-frequency power) and baroreceptor sensitivity were significantly increased. CONCLUSION: High-intensity intermittent exercise induced significant cardiac, vascular, and autonomic improvements after 12 weeks of training. |
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Authors:
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Mehrdad Heydari; Yati N Boutcher; Stephen H Boutcher |
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Publication Detail:
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Type: JOURNAL ARTICLE Date: 2012-10-29 |
Journal Detail:
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Title: Clinical autonomic research : official journal of the Clinical Autonomic Research Society Volume: - ISSN: 1619-1560 ISO Abbreviation: Clin. Auton. Res. Publication Date: 2012 Oct |
Date Detail:
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Created Date: 2012-10-29 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 9106549 Medline TA: Clin Auton Res Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Affiliation:
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Faculty of Medicine, School of Medical Sciences, University of New South Wales, Sydney, 2052, Australia, heydari.dvm@gmail.com. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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