| Effects of mode of exercise recovery on thermoregulatory and cardiovascular responses. | |
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MedLine Citation:
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PMID: 12391108 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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To identify the effects of exercise recovery mode on cutaneous vascular conductance (CVC) and sweat rate, eight healthy adults performed two 15-min bouts of upright cycle ergometry at 60% of maximal heart rate followed by either inactive or active (loadless pedaling) recovery. An index of CVC was calculated from the ratio of laser-Doppler flux to mean arterial pressure. CVC was then expressed as a percentage of maximum (%max) as determined from local heating. At 3 min postexercise, CVC was greater during active recovery (chest: 40 +/- 3, forearm: 48 +/- 3%max) compared with during inactive recovery (chest: 21 +/- 2, forearm: 25 +/- 4%max); all P < 0.05. Moreover, at the same time point sweat rate was greater during active recovery (chest: 0.47 +/- 0.10, forearm: 0.46 +/- 0.10 mg x cm(-2) x min(-1)) compared with during inactive recovery (chest: 0.28 +/- 0.10, forearm: 0.14 +/- 0.20 mg x cm(-2) x min(-1)); all P < 0.05. Mean arterial blood pressure, esophageal temperature, and skin temperature were not different between recovery modes. These data suggest that skin blood flow and sweat rate during recovery from exercise may be modulated by nonthermoregulatory mechanisms and that sustained elevations in skin blood flow and sweat rate during mild active recovery may be important for postexertional heat dissipation. |
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Authors:
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Robert Carter; Thad E Wilson; Donald E Watenpaugh; Michael L Smith; Craig G Crandall |
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Publication Detail:
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Type: Journal Article; Research Support, U.S. Gov't, P.H.S. Date: 2002-08-16 |
Journal Detail:
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Title: Journal of applied physiology (Bethesda, Md. : 1985) Volume: 93 ISSN: 8750-7587 ISO Abbreviation: J. Appl. Physiol. Publication Date: 2002 Dec |
Date Detail:
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Created Date: 2002-11-15 Completed Date: 2003-05-12 Revised Date: 2007-11-14 |
Medline Journal Info:
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Nlm Unique ID: 8502536 Medline TA: J Appl Physiol Country: United States |
Other Details:
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Languages: eng Pagination: 1918-24 Citation Subset: IM; S |
Affiliation:
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Department of Integrative Physiology and Cardiovascular Research Institute, Fort Worth, Texas 76107, USA. |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Adult Blood Pressure / physiology* Body Temperature Regulation / physiology* Esophagus Exercise / physiology* Forearm Humans Laser-Doppler Flowmetry Male Regional Blood Flow / physiology Rest / physiology Skin / blood supply Sweating / physiology Vasodilation / physiology |
| Grant Support | |
ID/Acronym/Agency:
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HL-10488/HL/NHLBI NIH HHS; HL-49266/HL/NHLBI NIH HHS; HL-61388/HL/NHLBI NIH HHS; HL-67422/HL/NHLBI NIH HHS |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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