| The relationship among HRpeak, RERpeak, and VO2peak during treadmill testing in girls. | |
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MedLine Citation:
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PMID: 22276410 Owner: NLM Status: In-Process |
Abstract/OtherAbstract:
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Clear criteria for maximal oxygen consumption (VO2max) determination in youth are not available, and no studies have examined this issue in girls. Our purpose was to determine whether different peak heart rate (HRpeak) and peak respiratory exchange ratio (RERpeak) cut points affect girls' (N = 453; M age = 13.3 years, SD = .1) VO2max during a maximal treadmill test. A multivariate analysis of variance revealed VO2max (ml kg(-1) min(-1) differed significantly among HRpeak, 180-189 b min(-1) = 34 (SD = .8), 190-194 bmin(-1) = 35 (SD = .9), 195-199 b min(-1) = 38 (SD = .8), 200-204 b min(-1) = 40 ml kg1 x min(-1) (SD = .8), and > or = 205 bmin(-1) = 42 ml kg1 x min(-1) (SD = .7) but not RERpeak. In studies where evidence of a VO2 plateau was examined, peak oxygen consumption (VO2peak) did not differ between plateau and no-plateau groups. Although our results suggest the association between lower VO2peak and lower peak heart rate is a true cardiovascular limit to aerobic energy production, we cannot rule out participant effort. |
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Authors:
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Karissa Peyer; James M Pivarnik; Dawn Podulka Coe |
Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: Research quarterly for exercise and sport Volume: 82 ISSN: 0270-1367 ISO Abbreviation: Res Q Exerc Sport Publication Date: 2011 Dec |
Date Detail:
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Created Date: 2012-01-26 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: 685-92 Citation Subset: IM |
Affiliation:
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Department of Kinesiology, Michigan State University, East Lansing 48824, USA. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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