| Putting to rest the myth of creatine supplementation leading to muscle cramps and dehydration. | |
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MedLine Citation:
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PMID: 18184753 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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Creatine is one of the most popular athletic supplements with sales surpassing 400 million dollars in 2004. Due to the popularity and efficacy of creatine supplementation over 200 studies have examined the effects of creatine on athletic performance. Despite the abundance of research suggesting the effectiveness and safety of creatine, a fallacy appears to exist among the general public, driven by media claims and anecdotal reports, that creatine supplementation can result in muscle cramps and dehydration. Although a number of published studies have refuted these claims, a recent position statement by the American College of Sports Medicine (ACSM) in 2000 advised individuals who are managing their weight and exercising intensely or in hot environments to avoid creatine supplementation. Recent reports now suggest that creatine may enhance performance in hot and/or humid conditions by maintaining haematocrit, aiding thermoregulation and reducing exercising heart rate and sweat rate. Creatine may also positively influence plasma volume during the onset of dehydration. Considering these new published findings, little evidence exists that creatine supplementation in the heat presents additional risk, and this should be taken into consideration as position statements and other related documents are published. |
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Authors:
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V J Dalbo; M D Roberts; J R Stout; C M Kerksick |
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Publication Detail:
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Type: Journal Article; Review Date: 2008-01-09 |
Journal Detail:
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Title: British journal of sports medicine Volume: 42 ISSN: 1473-0480 ISO Abbreviation: Br J Sports Med Publication Date: 2008 Jul |
Date Detail:
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Created Date: 2008-07-08 Completed Date: 2008-08-20 Revised Date: 2008-11-21 |
Medline Journal Info:
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Nlm Unique ID: 0432520 Medline TA: Br J Sports Med Country: England |
Other Details:
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Languages: eng Pagination: 567-73 Citation Subset: IM |
Affiliation:
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Department of Health and Exercise Science, University of Oklahoma, 1401 Asp Avenue, Norman, OK 73019, USA. vinnyjames@ou.edu |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Body Fluids
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physiology Body Temperature Regulation / drug effects, physiology Creatine / administration & dosage, adverse effects* Dehydration / chemically induced* Hot Temperature / adverse effects Humans Muscle Cramp / chemically induced* Risk Factors Sports / physiology* |
| Chemical | |
Reg. No./Substance:
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57-00-1/Creatine |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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