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Knechtle, Beat; Wirth, Andrea; Knechtle, Patrizia; Rosemann, Thomas – Research Quarterly for Exercise and Sport, 2009
We investigated whether ultraendurance runners in a 100-km run suffer a decrease of body mass and whether this loss consists of fat mass, skeletal muscle mass, or total body water. Male ultrarunners were measured pre- and postrace to determine body mass, fat mass, and skeletal muscle mass by using the anthropometric method. In addition,…
Descriptors: Body Composition, Physical Fitness, Human Body, Physical Activities