Permanent URL to this publication: http://dx.doi.org/10.5167/uzh-13201
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Objective: To investigate whether adipose subcutaneous
tissue or skeletal muscle mass decreased during a nonstop
Design: Descriptive field study.
Setting: The Triple Iron Triathlon Germany 2006 in Lensahn: 11.6 km swimming, 540 km cycling and 126.6 km running.
Subjects: 17 male Caucasian triathletes, mean (SD) age
39.2 (7.5) years, height 178 (5) cm, body mass 80.7 (8.9) kg and body mass index (BMI) 25.4 (2.4) kg/m2.
Main outcome measurements: Determination of body mass, skin-fold thicknesses, limb circumference, skeletal muscle mass and percentage body fat in order to show changes after the race.
Results: A significant decrease was shown for body mass (p,0.001), BMI (p,0.001) and calculated percentage body fat (p,0.001) whereas skeletal muscle mass did not change significantly (p.0.05). Circumferences of the thigh, upper arm and calf did not decrease significantly (p.0.05), whereas all skin-fold thicknesses decreased significantly (p,0.05), with the exception of those at the chest and thigh. A significant correlation was found between the loss of percentage body fat and the loss of body mass (p,0.01, r2=0.55) as well as change in percentage body fat with race
performance (p,0.05, r2=0.24).
Conclusions: Ultra-endurance triathletes at the Triple
Iron Triathlon Germany 2006 showed a significant decrease in body mass and percentage body fat, where decrease in percentage body fat was associated with race intensity.
|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:||13 Feb 2009 10:51|
|Last Modified:||23 Nov 2012 13:52|
|Publisher:||BMJ Publishing Group|
Scopus®. Citation Count: 22
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