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.
Catching up with Pete Sampras as Roger Federer tries to break his Wimbledon record. WIMBLEDON, England â It was 15 years ago that American Pete Sampras won his last of seven Wimbledon titles, breaking Roy Emerson's Open Era Grand Slam record with his 13th overall, hoisting the trophy on Centre Court as the clock ticked past 9 o'clock in the evening.