Chilean swimmer Kristel Kobrich attends a training session at the National Stadium pool at Santiago, April 12, 2012. [Photo/Agencies]

Karine Sergerie stretches after the Ste-Foy taekwondo club's training session at St Francois school's gym in Quebec City, May 8, 2012. The Canadian taekwondo team for the 2012 London Olympics will be exclusively composed of athletes coached by Master Alain Bernier from the club. Karine Sergerie will compete in the women's -67kg division. [Photo/Agencies]