| VO2 prediction and cardiorespiratory responses during underwater treadmill exercise. | |
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MedLine Citation:
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PMID: 21699106 Owner: NLM Status: In-Process |
Abstract/OtherAbstract:
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We compared cardiorespiratory responses to exercise on an underwater treadmill (UTM) and land treadmill (LTM) and derived an equation to estimate oxygen consumption (VO2) during UTM exercise. Fifty-five men and women completed one LTM and five UTM exercise sessions on separate days. The UTM sessions consisted of chest-deep immersion, with 0, 25, 50, 75, and 100% water-jet resistance. All session treadmill velocities increased every 3 min from 53.6 to 187.8 m x min(-1). Cardiorespiratory responses were similar between LTM and UTM when jet resistance for UTM was 50%. Using multiple regression analysis, weight-relative VO2 could be estimated as: VO2 (mLO2 c kg(-1) x min(-1)) = 0.19248 x height (cm) + 0.17422 x jet resistance (% max) + 0.14092 x velocity (m x min(-1)) -0.12794 x weight (kg)-27.82849, R2 = .82. Our data indicate that similar LTM and UTM cardiorespiratory responses are achievable, and we provide a reasonable estimate of UTM VO2. |
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Authors:
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Nicholas R Greene; Elizabeth S Greene; Aaron F Carbuhn; John S Green; Stephen F Crouse |
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Publication Detail:
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Type: Journal Article; Research Support, Non-U.S. Gov't |
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 Jun |
Date Detail:
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Created Date: 2011-06-24 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: 264-73 Citation Subset: IM |
Affiliation:
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Robert M. Berne Cardiovascular Research Center, University of Virginia, Charlottesville, VA 22908, USA. npg6a@virginia.edu |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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