Freestyle versus butterfly swimming performance - effects of age and sex - Zingg, M. A.; Wolfrum, M.; Rüst, C. A.; Rosemann, T.; Lepers, R.; Knechtle, B. (Human Movement, 2014)
Keywords: swimming; freestyle swimming; butterfly swimming; performance; sex; male; female; age; maximum; elite sport; junior elite sport; Poland; Germany; endurance sports; junior sports