Permanent URL to this publication: http://dx.doi.org/10.5167/uzh-31536
Knechtle, B; Knechtle, P; Andonie, J L; Kohler, G (2009). Body composition, energy, and fluid turnover in a five-day multistage ultratriathlon: a case study. Research in Sports Medicine, 17(2):104-120.
View at publisher
A multistage ultraendurance triathlon over five times the Ironman distance within five consecutive days leads in one ultraendurance triathlete to minimal changes in body mass (BM; -0.3 kg), fat mass (FM; -1.9 kg), skeletal muscle mass (SM; no change), and total body water (TBW; +1.5 l). This might be explained by the continuously slower race times throughout the race every day and the positive energy balance (8,095 kcal), although he suffered an average energy deficit of -1,848 kcal per Ironman distance. The increase of TBW might be explained by the increase of plasma volume (PV) in the first 3 days. The increase of PV and TBW could be a result of an increase of sodium, which was increased after every stage. We presume that this could be the result of an increased activity of aldosterone.
109 downloads since deposited on 19 Mar 2010
16 downloads since 12 months
|Item Type:||Journal Article, refereed, original work|
|Communities & Collections:||04 Faculty of Medicine > University Hospital Zurich > Institute of General Practice|
|Dewey Decimal Classification:||610 Medicine & health|
|Deposited On:||19 Mar 2010 12:40|
|Last Modified:||05 Apr 2016 13:58|
|Publisher:||Taylor & Francis|
|Additional Information:||This is an electronic version of an article published in Research in Sports Medicine Volume 17, Issue 2 April 2009 , pages 95 - 111. Research in Sports Medicine is available online at http://www.informaworld.com/smpp/content~db=all~content=a911762625|
Users (please log in): suggest update or correction for this item
Repository Staff Only: item control page