| Within- and between-day repeatability and variability in children's physiological responses during submaximal treadmill exercise. | |
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MedLine Citation:
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PMID: 19791644 Owner: NLM Status: In-Process |
Abstract/OtherAbstract:
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The purpose of this study was to verify within- and between-day repeatability and variability in children's oxygen uptake (VO2), gross economy (GE; VO2 divided by speed) and heart rate (HR) during treadmill walking based on self-selected speed (SS). Fourteen children (10.1 +/- 1.4 years) undertook three testing sessions over 2 days in which four walking speeds, including SS were tested. Within- and between-day repeatability were assessed using the Bland and Altman method, and coefficients of variability (CV) were determined for each child across exercise bouts and averaged to obtain a mean group CV value for VO2, GE, and HR per speed. Repeated measures analysis of variance showed no statistically significant differences in within- or between-day CV for VO2, GE, or HR at any speed. Repeatability within- and between-day for VO2, GE, and HR for all speeds was verified. These results suggest that submaximal VO2 during treadmill walking is stable and reproducible at a range of speeds based on children's SS. |
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Authors:
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Paulo R S Amorim; Nuala Mary Byrne; Andrew P Hills |
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Publication Detail:
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Type: Comparative Study; Journal Article; Research Support, Non-U.S. Gov't |
Journal Detail:
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Title: Research quarterly for exercise and sport Volume: 80 ISSN: 0270-1367 ISO Abbreviation: Res Q Exerc Sport Publication Date: 2009 Sep |
Date Detail:
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Created Date: 2009-10-01 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 8006373 Medline TA: Res Q Exerc Sport Country: United States |
Other Details:
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Languages: eng Pagination: 575-82 Citation Subset: IM |
Affiliation:
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Physical Education Department, Viçosa Federal University, Brazil. pramorim@ufv.br |
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Descriptor/Qualifier:
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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