| NIRS Measurements with Elite Speed Skaters: Comparison Between the Ice Rink and the Laboratory. | |
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MedLine Citation:
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PMID: 22879018 Owner: NLM Status: In-Data-Review |
Abstract/OtherAbstract:
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Wearable, wireless near-infrared (NIR) spectrometers were used to compare changes in on-ice short-track skating race simulations over 1,500 m with a 3-min cycle ergometry test at constant power output (400 W). The subjects were six male elite short-track speed skaters. Both protocols elicited a rapid desaturation (∆TSI%) in the muscle during early stages (initial 20 s); however, asymmetry between right and left legs was seen in ΔTSI% for the skating protocol, but not for cycling. Individual differences between skaters were present in both protocols. Notably, one individual who showed a relatively small TSI% change (-10.7%, group mean = -26.1%) showed a similarly small change during the cycling protocol (-5.8%, group mean = -14.3%). We conclude that NIRS-detected leg asymmetry is due to the specific demands of short-track speed skating. However, heterogeneity between individuals is not specific to the mode of exercise. Whether this is a result of genuine differences in physiology or a reflection of differences in the optical properties of the leg remains to be determined. |
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Authors:
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Catherine Hesford; Marco Cardinale; Stewart Laing; Chris E Cooper |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: Advances in experimental medicine and biology Volume: 765 ISSN: 0065-2598 ISO Abbreviation: Adv. Exp. Med. Biol. Publication Date: 2013 |
Date Detail:
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Created Date: 2012-08-10 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 0121103 Medline TA: Adv Exp Med Biol Country: United States |
Other Details:
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Languages: eng Pagination: 81-6 Citation Subset: IM |
Affiliation:
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School of Biological Sciences, University of Essex, Wivenhoe Park, Colchester, CO4 3SQ, UK, chesfo@essex.ac.uk. |
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