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.
Andy Murray won his first Wimbledon title and ended Britain's 77-year wait for a men's champion with a straight-sets victory over world number one Novak Djokovic. The Scot, 26, converted his fourth championship point in a dramatic final game to win 6-4 7-5 6-4 and claim his second major title.