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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; Wirth, Andrea; Knechtle, Patrizia; Rosemann, Thomas – Research Quarterly for Exercise and Sport, 2009
In 28 male Caucasian nonprofessional ultracyclists, we investigated whether anthropometry or training volume had an influence on race speed in the 600 km at the Swiss Cycling Marathon 2007. Anthropometric parameters (age, body mass, body height, skinfold thicknesses) were determined before the race to calculate body mass index and percent body…
Descriptors: Males, Physical Activities, Competition, Whites