| Effect of cold water immersion after exercise in the heat on muscle function, body temperatures, and vessel diameter. | |
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MedLine Citation:
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PMID: 18083634 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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Cold water immersion (CWI) is a popular recovery modality, but actual physiological responses to CWI after exercise in the heat have not been well documented. The purpose of this study was to examine effects of 20-min CWI (14 degrees C) on neuromuscular function, rectal (T(re)) and skin temperature (T(sk)), and femoral venous diameter after exercise in the heat. Ten well-trained male cyclists completed two bouts of exercise consisting of 90-min cycling at a constant power output (216+/-12W) followed by a 16.1km time trial (TT) in the heat (32 degrees C). Twenty-five minutes post-TT, participants were assigned to either CWI or control (CON) recovery conditions in a counterbalanced order. T(re) and T(sk) were recorded continuously, and maximal voluntary isometric contraction torque of the knee extensors (MVIC), MVIC with superimposed electrical stimulation (SMVIC), and femoral venous diameters were measured prior to exercise, 0, 45, and 90min post-TT. T(re) was significantly lower in CWI beginning 50min post-TT compared with CON, and T(sk) was significantly lower in CWI beginning 25min post-TT compared with CON. Decreases in MVIC, and SMVIC torque after the TT were significantly greater for CWI compared with CON; differences persisted 90min post-TT. Femoral vein diameter was approximately 9% smaller for CWI compared with CON at 45min post-TT. These results suggest that CWI decreases T(re), but has a negative effect on neuromuscular function. |
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Authors:
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Jeremiah J Peiffer; Chris R Abbiss; Kazunori Nosaka; Jonathan M Peake; Paul B Laursen |
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Publication Detail:
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Type: Comparative Study; Journal Article Date: 2008-02-20 |
Journal Detail:
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Title: Journal of science and medicine in sport / Sports Medicine Australia Volume: 12 ISSN: 1440-2440 ISO Abbreviation: J Sci Med Sport Publication Date: 2009 Jan |
Date Detail:
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Created Date: 2009-01-21 Completed Date: 2009-06-22 Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 9812598 Medline TA: J Sci Med Sport Country: Australia |
Other Details:
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Languages: eng Pagination: 91-6 Citation Subset: IM |
Affiliation:
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School of Exercise, Biomedical and Health Sciences, Edith Cowan University, Australia. j.peiffer@ecu.edu.au |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Bicycling
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physiology* Body Temperature / physiology* Cold Temperature* Exercise / physiology* Femoral Vein / physiology*, ultrasonography Hot Temperature Humans Immersion* Isometric Contraction / physiology Male Muscle Strength / physiology Muscle, Skeletal / physiology* Vasoconstriction / physiology* Water* |
| Chemical | |
Reg. No./Substance:
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7732-18-5/Water |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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