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Knechtle, Beat; Knechtle, Patrizia; Kaul, Rene; Kohler, Gotz – Research Quarterly for Exercise and Sport, 2009
We evaluated whether ultraendurance swimmers suffer a change of body mass, fat mass, skeletal muscle mass, total body water, and specific gravity of urine during a 12-hr swim in 12 male Caucasian ultraswimmers. Proton nuclear magnetic resonance of urine samples before and after the race was performed to detect alanine, lactate, and…
Descriptors: Body Composition, Physics, Human Body, Aquatic Sports
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Knechtle, Beat; Duff, Brida; Welzel, Ulrich; Kohler, Gotz – Research Quarterly for Exercise and Sport, 2009
In the present study, we investigated the association of anthropometric parameters with race performance in ultraendurance runners in a multistage ultraendurance run, in which athletes had to run 338 km within 5 consecutive days. In 17 male successful finishers, calculations of body mass, body height, skinfold thicknesses, extremity circumference,…
Descriptors: Body Height, Body Composition, Instructional Films, Athletics