DOI: 10.1007/978-0-387-75434-5_20
关键词:
摘要: Humans evolved as an athletic species able to run in the midday heat, throw with exquisite accuracy and strike powerfully despite relatively weak upper arms compared those of great apes. The true extent which humans could long distances was first tested a unique series 6-day foot races contested between 1874 1888 by professional athletes from England United States. These typically would have expended approximately 60 000 kcal (24.12 MJ) energy during these races. discovery bicycle soon caused replacement cycling which, turn, led modern day Tour de France, race across America (RaAM) two running width States 1928 1929. total expenditures different events can be estimated at 168 000, 180 340 respectively.