| Acute antioxidant supplementation improves endurance performance in trained athletes. | |
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MedLine Citation:
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PMID: 22242733 Owner: NLM Status: In-Data-Review |
Abstract/OtherAbstract:
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This study examined the acute effects of a single dose of an antioxidant (AO; Lactaway(®)containing pycnogenol) on time to fatigue (TTF). Nine trained cyclists [mean ± SD age 35 ± 10 yrs; body mass 71.6 ± 10.2 kg; VO(2)peak 63 ± 11 ml/kg/min] performed on two separate occasions a continuous protocol of 5 min at 50% of peak power output (PPO), 8 min at 70% of PPO, and then cycled to fatigue at 95% PPO. Four hours prior to the exercise protocol, the subjects consumed the supplement or a placebo (counterbalanced, double blind protocol). Cyclists, on average, rode for 80 s more in the Lactaway trial than they did in the placebo trial. There was considerable evidence (chances ≥94.5%) for substantial positive treatment effects for TTF and the other performance-related variables (excluding [BLa] at 95% PPO). Other studies are necessary to confirm these results and identify the mechanisms underlying the observed effects. |
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Authors:
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David J Bentley; Steven Dank; Rory Coupland; Adrian Midgley; Ian Spence |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: Research in sports medicine (Print) Volume: 20 ISSN: 1543-8635 ISO Abbreviation: Res Sports Med Publication Date: 2012 Jan |
Date Detail:
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Created Date: 2012-01-16 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 101167637 Medline TA: Res Sports Med Country: United States |
Other Details:
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Languages: eng Pagination: 1-12 Citation Subset: IM |
Affiliation:
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a School of Medical Science , University of New South Wales , Kensington , Sydney , Australia. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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