| Blood oxidative stress markers after ultramarathon swimming. | |
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MedLine Citation:
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PMID: 20613649 Owner: NLM Status: In-Data-Review |
Abstract/OtherAbstract:
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Kabasakalis, A, Kyparos, A, Tsalis, G, Loupos, D, Pavlidou, A, and Kouretas, D. Blood oxidative stress markers after ultramarathon swimming. J Strength Cond Res 25(3): 805-811, 2011-Data on redox balance in response to marathon swimming are lacking, whereas findings from studies using other types of ultraendurance exercise are controversial. The aim of the present study was to investigate the effect of ultramarathon swimming on selective blood oxidative stress markers. Five well-trained male swimmers aged 28.8 (6.0) years participated in the study. Blood samples were obtained before and after the ultramarathon swimming, for full blood count analysis and determination of protein carbonyls, thiobarbituric acid-reactive substances (TBARS), and total antioxidant capacity (TAC). The swimmers swam 19.4 (3.4) hours, covering 50.5 (15.0) km. Hematocrit and erythrocyte count, and leukocyte, neutrophil and monocyte counts were significantly elevated after swimming, whereas protein carbonyls, TBARS and TAC did not significantly change. The findings of the present study indicate that well-trained swimmers were able to regulate a redox homeostasis during ultra-long duration swimming. It is also postulated that the relatively low intensity of marathon swimming may not be a sufficient stimulus to induce oxidative stress in well-trained swimmers. The fact that low-intensity long-duration exercise protocols are not associated with oxidative damage is useful knowledge for coaches and athletes in scheduling the content of the training sessions that preceded and followed these exercise protocols. |
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Authors:
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Athanasios Kabasakalis; Antonios Kyparos; Georgios Tsalis; Dimitrios Loupos; Anastasia Pavlidou; Dimitrios Kouretas |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: Journal of strength and conditioning research / National Strength & Conditioning Association Volume: 25 ISSN: 1533-4287 ISO Abbreviation: J Strength Cond Res Publication Date: 2011 Mar |
Date Detail:
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Created Date: 2011-02-17 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 9415084 Medline TA: J Strength Cond Res Country: United States |
Other Details:
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Languages: eng Pagination: 805-11 Citation Subset: IM |
Affiliation:
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1Department of Physical Education and Sports Science, Aristotle University of Thessaloniki, Thessaloniki, Greece; 2Department of Physical Education and Sports Science at Serres, Aristotle University of Thessaloniki, Serres, Greece; and 3Department of Biochemistry and Biotechnology, University of Thessaly, Larissa, Greece. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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