Gabrielle Douglas of U.S. competes in floor event during women's individual all-around competition of gymnastic artistic at the London 2012 Olympic Games in London, Britain, Aug. 2, 2012. Gabrielle Douglas of U.S. claimed the title in this event. (Xinhua/Qi Heng)

Gabrielle Douglas of U.S. competes in vault event during women's individual all-around competition of gymnastic artistic at the London 2012 Olympic Games in London, Britain, Aug. 2, 2012. Gabrielle Douglas of U.S. claimed the title in this event. (Xinhua/Cheng Min)