| Peak cardiac power output in healthy, trained men. | |
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MedLine Citation:
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PMID: 20718806 Owner: NLM Status: In-Process |
Abstract/OtherAbstract:
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Previous investigations into peak cardiac power output (CPO peak) have been limited to clinical populations and healthy, but non-athletic adults, and normative data on trained individuals would allow a greater understanding of this parameter. Therefore, we recruited eight healthy, well-trained male cyclists. Peak oxygen consumption ((.)VO₂ peak) was assessed using an incremental ergometer test, and following a 40-min recovery period, peak cardiac output ((.)QT peak) was measured during a constant load test that elicited (.)VO₂ peak (±5%) using the Defares CO₂ rebreathing technique. CPO peak was calculated as described by Cooke et al. (1998). Mean (±SD) values during the constant load test were: (.)VO₂ peak, 4.94 ± 0.41 l min⁻¹; (.)QT peak, 36.5 ± 3.7 l min⁻¹; mean arterial pressure, 123 ± 8 mmHg and CPO peak, 9.9 ± 1.0 W. These results demonstrate CPO peak in a well-trained population to be approximately twice those observed in healthy, but non-athletic adults. The current data provide useful information regarding the upper limits and possible 'trainability' of cardiac pumping capacity for sedentary and clinically compromised individuals. |
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Authors:
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Zachary J Schlader; Toby Mündel; Matthew J Barnes; Lynette D Hodges |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: Clinical physiology and functional imaging Volume: 30 ISSN: 1475-097X ISO Abbreviation: Clin Physiol Funct Imaging Publication Date: 2010 Nov |
Date Detail:
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Created Date: 2010-11-09 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 101137604 Medline TA: Clin Physiol Funct Imaging Country: England |
Other Details:
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Languages: eng Pagination: 480-4 Citation Subset: IM |
Affiliation:
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Division of Exercise and Sports Science, Institute of Food, Nutrition and Human Health, Massey University, Palmerston North, New Zealand. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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