| Effect of a sports food bar on fat utilisation and exercise duration. | |
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MedLine Citation:
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PMID: 9615869 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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The manufacturer claims that using the Access Fat Conversion Activity Bar increases fat utilisation, which would have a glycogen-sparing effect and delay the onset of fatigue from endurance exercise. This claim was tested using seven trained distance runners who performed two trials of treadmill running at 73% of VO2max to exhaustion. In a counterbalanced design, subjects ingested either one Access Bar with water or water only prior to treadmill running. Times to exhaustion for the control and Access treatment trials were 104.6 +/- 24.9 min and 93.9 +/- 21.4 min, respectively, and were not significantly different (p > .05). Differences between trials were not observed for the respiratory exchange ratio, blood lactate or glucose concentrations, plasma glycerol concentration, or perceived exertion. Based on results from this study, it was concluded that the Access Bar does not affect fat or carbohydrate utilisation and does not improve exercise endurance. |
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Authors:
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F W Kolkhorst; J N MacTaggart; M R Hansen |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: Canadian journal of applied physiology = Revue canadienne de physiologie appliquée Volume: 23 ISSN: 1066-7814 ISO Abbreviation: Can J Appl Physiol Publication Date: 1998 Jun |
Date Detail:
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Created Date: 1998-08-13 Completed Date: 1998-08-13 Revised Date: 2008-11-21 |
Medline Journal Info:
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Nlm Unique ID: 9306274 Medline TA: Can J Appl Physiol Country: UNITED STATES |
Other Details:
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Languages: eng Pagination: 271-8 Citation Subset: IM; S |
Affiliation:
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School of Health, University of Northern Iowa, Cedar Falls 50614-0241, USA. |
Export Citation:
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APA/MLA Format Download EndNote Download BibTex |
| MeSH Terms | |
Descriptor/Qualifier:
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Adult Food* Glycerol / blood Heart Rate / physiology Humans Lipid Metabolism* Male Oxygen Consumption / physiology Physical Endurance / physiology* Physical Exertion Respiration / physiology Running Self Concept Sports* Time Factors |
| Chemical | |
Reg. No./Substance:
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56-81-5/Glycerol |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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