A person's anaerobic threshold has been reached when their body is under extreme conditions and the burning of oxygen can not keep up with the body's demands.
Novak Djokovic captured his second straight Wimbledon title and the third of his career by defeating Roger Federer 7-6, 6-7, 6-4, 6-3 in Sunday's men's final at the All England Club. Djokovic is the first man to repeat as Wimbledon champion since Federer won five in a row between 2003 and 2007.
Milos Raonicâs 145mph serve is third-fastest in Wimbledon history. Milos Raonic of Canada serves during his second-round win against Tommy Haas of Germany. Canadaâs Milos Raonic recorded the third-fastest serve in Wimbledon history as he held off a gutsy fightback from the veteran German Tommy Haas to reach the third round on Wednesday.