| Acute effects of chocolate milk and a commercial recovery beverage on postexercise recovery indices and endurance cycling performance. | |
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MedLine Citation:
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PMID: 20029509 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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To maximize training quality, athletes have sought nutritional supplements that optimize recovery. This study compared chocolate milk (CHOC) with a carbohydrate replacement beverage (CRB) as a recovery aid after intense exercise, regarding performance and muscle damage markers in trained cyclists. Ten regional-level cyclists and triathletes (maximal oxygen uptake 55.2 +/- 7.2 mL.kg(-1).min(-1)) completed a high-intensity intermittent exercise protocol, then 15-18 h later performed a performance trial at 85% of maximal oxygen uptake to exhaustion. Participants consumed 1.0 g carbohydrate.kg-1.h-1 of a randomly assigned isocaloric beverage (CHOC or CRB) after the first high-intensity intermittent exercise session. The same protocol was repeated 1 week later with the other beverage. A 1-way repeated measures analysis of variance revealed no significant difference (p = 0.91) between trials for time to exhaustion at 85% of maximal oxygen uptake (CHOC 13 +/- 10.2 min, CRB 13.5 +/- 8.9 min). The change in creatine kinase (CK) was significantly (p < 0.05) greater in the CRB trial than in the CHOC trial (increase CHOC 27.9 +/- 134.8 U.L(-1), CRB 211.9 +/- 192.5 U.L(-1)), with differences not significant for CK levels before the second exercise session (CHOC 394.8 +/- 166.1 U.L(-1), CRB 489.1 +/- 264.4 U.L(-1)) between the 2 trials. These findings indicate no difference between CHOC and this commercial beverage as potential recovery aids for cyclists between intense workouts. |
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Authors:
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Kelly Pritchett; Philip Bishop; Robert Pritchett; Matt Green; Charlie Katica |
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Publication Detail:
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Type: Clinical Trial; Journal Article; Randomized Controlled Trial |
Journal Detail:
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Title: Applied physiology, nutrition, and metabolism = Physiologie appliqu?e, nutrition et m?tabolisme Volume: 34 ISSN: 1715-5312 ISO Abbreviation: Appl Physiol Nutr Metab Publication Date: 2009 Dec |
Date Detail:
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Created Date: 2009-12-23 Completed Date: 2010-04-15 Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 101264333 Medline TA: Appl Physiol Nutr Metab Country: Canada |
Other Details:
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Languages: eng Pagination: 1017-22 Citation Subset: IM |
Affiliation:
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Department of Health, Human Performance, and Nutrition, Central Washington University, Ellensburg, WA 98926, USA. KKerr@cwu.edu |
Export Citation:
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APA/MLA Format Download EndNote Download BibTex |
| MeSH Terms | |
Descriptor/Qualifier:
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Adult Animals Athletic Performance / physiology* Beverages* Bicycling Cacao* Creatine Kinase / blood Cross-Over Studies Diet Records Diet Surveys Dietary Carbohydrates* Dietary Supplements Exercise Test Humans Milk* Muscle Fatigue* Oxygen Consumption Physical Endurance / physiology* Physical Fitness / physiology Young Adult |
| Chemical | |
Reg. No./Substance:
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0/Dietary Carbohydrates; EC 2.7.3.2/Creatine Kinase |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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