| Diurnal evolution of cycling biomechanical parameters during a 60-s Wingate test. | |
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MedLine Citation:
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PMID: 20807387 Owner: NLM Status: In-Data-Review |
Abstract/OtherAbstract:
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The purpose of this study was to assess the evolution of pedaling kinetics and kinematics during a short-term fatigue cycling exercise at two times of day. Twenty active male subjects were asked to perform a 60-s Wingate test against a constant braking resistance during two experimental sessions at 06:00 and 18:00 hours, i.e., very close to the hours of core temperature values, which are, respectively, the lowest and the highest. The results showed that the fatigue index was higher (P<0.05) at 18:00 hours (71.4%) than at 06:00 hours (69.2%) and power output was higher (P<0.05) in the evening than in the morning during the first 20 s of the test, after which no difference was observed. Taken together, these results showed a greater progression of fatigue in the evening than in the morning. The diurnal variations in performance and fatigue were associated (P<0.001) with diurnal changes in cycling kinematic parameters, characterized by a reduction in the range of motion of the ankle angle in the evening. These findings show that a time-of-day effect on movement patterns occurs during an anaerobic cycling exercise and that this phenomenon has a direct influence on performance and fatigue. |
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Authors:
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R Lericollais; A Gauthier; N Bessot; D Davenne |
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Publication Detail:
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Type: Journal Article Date: 2010-08-30 |
Journal Detail:
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Title: Scandinavian journal of medicine & science in sports Volume: 21 ISSN: 1600-0838 ISO Abbreviation: Scand J Med Sci Sports Publication Date: 2011 Dec |
Date Detail:
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Created Date: 2011-11-30 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 9111504 Medline TA: Scand J Med Sci Sports Country: Denmark |
Other Details:
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Languages: eng Pagination: e106-14 Citation Subset: IM |
Copyright Information:
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© 2010 John Wiley & Sons A/S. |
Affiliation:
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INSERM, ERI27, Caen, FranceUFR STAPS Caen, Université de Caen Basse-Normandie, Caen, France. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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