China's Hou Yanan performs with a hoop during the first round qualifications at Rhythmic Gymnastics World Championships 2009 in Mie prefecture, Japan, on September 7, 2009. (Xinhua/Ren Zhenglai)

China's Ding Yidan performs with a hoop during the first round qualifications at Rhythmic Gymnastics World Championships 2009 in Mie prefecture, Japan, on September 7, 2009. (Xinhua/Ren Zhenglai)

China's Ding Yidan performs with a hoop during the first round qualifications at Rhythmic Gymnastics World Championships 2009 in Mie prefecture, Japan, on September 7, 2009. (Xinhua/Ren Zhenglai)

Ukraine's Anna Bessonova performs with a rope during the first round qualifications at Rhythmic Gymnastics World Championships 2009 in Mie prefecture, Japan, on September 7, 2009. (Xinhua/Ren Zhenglai)