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.
A British man has not won Wimbledon in more than 75 years. The Wimbledon grass has not been hospitable home turf for British men. Hall of Famer Fred Perry became the most recent Briton to win the gentlemenâs singles when he captured the last of three consecutive titles in 1936.