| Factors Associated With a Self-Reported History of Exercise-Associated Muscle Cramps in Ironman Triathletes: A Case-Control Study. | |
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MedLine Citation:
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PMID: 21430526 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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OBJECTIVE:: Exercise-associated muscle cramping (EAMC) is a common medical condition in endurance athletes. The exact cause of and risk factors for EAMC are still being investigated. The main objective of this study was to investigate factors that are associated with a self-reported history of EAMC in Ironman triathletes. DESIGN:: Case-control study. SETTING:: Field study at an international Ironman Triathlon. PARTICIPANTS:: Triathletes participating in an Ironman Triathlon were recruited as subjects. ASSESSMENT OF RISK FACTORS:: A previously validated pre-race questionnaire was completed by 433 subjects who were divided into subjects who reported a history of EAMC (EAMC group = 216) and those who no reported history of EAMC (CON group = 217). MAIN OUTCOME MEASURES:: Training, anthropometric, injury and performance, and other variables that were related to the history of EAMC. RESULTS:: Compared with the CON group, triathletes in the EAMC group were significantly taller and heavier, had faster Ironman race times despite being of similar caliber (past personal best times), and predicted and achieved a faster overall time during the Ironman Triathlon. There was an association among a positive family history for EAMC, a history of tendon and/or ligament injuries, and a self-reported history of EAMC. CONCLUSIONS:: There is evidence from this study that a history of EAMC is associated with (1) exercising at a higher intensity during a race that may result in premature muscle fatigue, (2) an inherited risk (positive family history), and (3) a history of tendon and/or ligament injury. |
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Authors:
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Gavin Shang; Malcolm Collins; Martin P Schwellnus |
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Publication Detail:
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Type: JOURNAL ARTICLE Date: 2011-3-22 |
Journal Detail:
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Title: Clinical journal of sport medicine : official journal of the Canadian Academy of Sport Medicine Volume: - ISSN: 1536-3724 ISO Abbreviation: - Publication Date: 2011 Mar |
Date Detail:
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Created Date: 2011-3-24 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 9103300 Medline TA: Clin J Sport Med Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Affiliation:
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From the *UCT/MRC Research Unit for Exercise Science and Sports Medicine, Department of Human Biology, Faculty of Health Sciences, University of Cape Town, Cape Town, South Africa; †South African Medical Research Council, Parow, Cape Town, South Africa; and ‡International Olympic Committee Research Centre, Clinical Sport and Exercise Medicine Research Group, Department of Human Biology, Faculty of Health Sciences, University of Cape Town, Cape Town, South Africa. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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