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.
It's the final day at Wimbledon, the day of the men's championship match. Seven-time champion Roger Federer will take on defending champion Novak Djokovic in a rematch of last year's final, which the top-seeded Serb won in five sets. Play is due to start at 2 p.m. on Centre Court.