| Heart rate variability in free diving athletes. | |
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MedLine Citation:
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PMID: 22296638 Owner: NLM Status: In-Data-Review |
Abstract/OtherAbstract:
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The aim of the study was to evaluate the cardiac autonomic activity in free diving (FD) athletes. Thirteen Greek male free divers (group I, aged 33·4 ± 6·3 years, 6·6 ± 4·5 years of training experience) volunteered to participate while 13 age-matched sedentary subjects served as control group (group II). All subjects were submitted to ambulatory 24-h ECG recording for heart rate variability (HRV) analysis on a day of regular activities with no exercise or training. The results showed that group I had significantly lower minimum and mean heart rate by 23·9% (P<0·001) and 20·6% (P<0·001), respectively. All the measured time and frequency domain indices of HRV which reflect cardiac parasympathetic activity were higher in group I than in group II by 37·6% to 146% (P<0·001). Conclusively, the resting cardiac autonomic activity and especially the parasympathetic branch was significantly increased in free divers compared to untrained subjects. This finding should be rather attributed to the accumulated effect of both exercise training and frequent exposure to FD stimulus. |
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Authors:
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Vassiliki Christoforidi; Nikolaos Koutlianos; Pantazis Deligiannis; Evangelia Kouidi; Asterios Deligiannis |
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Publication Detail:
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Type: Journal Article Date: 2011-11-28 |
Journal Detail:
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Title: Clinical physiology and functional imaging Volume: 32 ISSN: 1475-097X ISO Abbreviation: Clin Physiol Funct Imaging Publication Date: 2012 Mar |
Date Detail:
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Created Date: 2012-02-02 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 101137604 Medline TA: Clin Physiol Funct Imaging Country: England |
Other Details:
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Languages: eng Pagination: 162-6 Citation Subset: IM |
Copyright Information:
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© 2011 The Authors. Clinical Physiology and Functional Imaging © 2011 Scandinavian Society of Clinical Physiology and Nuclear Medicine. |
Affiliation:
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Laboratory of Sports Medicine, Sports Medicine Division of TEFAA, Aristotle University, Thessaloniki, Greece. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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