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Permanent URL to this publication: http://dx.doi.org/10.5167/uzh-33327

Knechtle, B; Wirth, A; Baumann, B; Knechtle, P; Kohler , G; Rosemann, T; Senn, O (2010). An ironman triathlon does not lead to a change in body mass in female triathletes. Research in Sports Medicine, 18(2):115-126.

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In 16 female nonprofessional Ironman triathletes, body mass, percentbody fat, and skeletal muscle mass were determined before and afteran Ironman race in order to detect changes. Selected hematologicaland urinary variables as well as percent total body water were mea-sured in order to quantify a change in hydration status. Body mass,skeletal muscle mass, percent body fat, and percent body water didnot change (p > 0.05). Plasma volume increased significantly by 8.1(13.7) % (p < 0.05). The significant increase in plasma volume,plasma urea concentration, and urinary specific gravity after therace was associated with a significant fall in hematocrit and plasma sodium concentration (p < 0.05). In contrast to studies of male Iron-man triathletes, we could not detect a decrease in body mass infemale Ironman triathletes. The statistically insignificant loss of 0.6 kgin body mass was smaller than reported in studies of male athletes.

Item Type:Journal Article, refereed, original work
Communities & Collections:04 Faculty of Medicine > University Hospital Zurich > Institute of General Practice
DDC:610 Medicine & health
Deposited On:16 Apr 2010 12:22
Last Modified:07 Dec 2013 15:12
Publisher:Taylor & Francis
Publisher DOI:10.1080/15438621003627059
PubMed ID:20397114
Citations:Web of Science®. Times Cited: 4
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Scopus®. Citation Count: 4

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