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.
Novak Djokovic beats Roger Federer in four sets in Wimbledon final. â¢ World No1 wins 7-6, 6-7, 6-4, 6-3 to defend Wimbledon crown. â¢ Federer sparkles but Serbâs power and precision prove too much. Novak Djokovic and Roger Federer after the Wimbledon 2015 menâs singles final.