Spain's Nora Aida Bicet reacts as she competes in the women's javelin throw qualifying rounds at the athletics event during the London 2012 Olympic Games on August 7, 2012 in London. AFP PHOTO / FRANCK FIFE

Tatiana Kashirina of Russia breaks a world record with a lift of 151kg in the women's +75kg at the ExCeL centre during the 2012 Summer Olympic Games in London, UK, Sunday, August 5, 2012. Kashirina won the silver medal in the event. Photo by David Eulitt/Kansas City Star/MCT/ABACAPRESS.COM # 330114_004

London, Britain - Russia's Tatiana Kashirina celebrates after lifting 151 kilograms in the snatch portion of the women's weightlifting +75 kilogram class and setting the new world record at the ExCeL Arena at the 2012 London Olympics on Aug. 5, 2012. (Kyodo)

US' Jillian Camarena-Williams gestures while competing in the women's shot put qualifications at the athletics event of the London 2012 Olympic Games on August 6, 2012 in London. AFP PHOTO / ADRIAN DENNIS

United States' Sarah Robles reacts following a lift competes during the women's +75-kg, weightlifting competition at the 2012 Summer Olympics, Sunday, Aug. 5, 2012, in London. (AP Photo/Hassan Ammar)

Nigeria's Maryam Usman holds her elbow as she walks off stage following a lift during women's +75-kg, weightlifting competition at the 2012 Summer Olympics, Sunday, Aug. 5, 2012, in London. (AP Photo/Hassan Ammar)

Gold medalist Zhou Lulu of China, center, stands with silver medalist Tatiana Kashirina of Russia, left, and bronze medalist Hripsime Khurshudyan of Armenia during a medals ceremony after the women's +75-kg, weightlifting competition at the 2012 Summer Olympics, Sunday, Aug. 5, 2012, in London. (AP Photo/Hassan Ammar)

Russia's Tatiana Kashirina reacts following a lift during the women's +75-kg, weightlifting competition at the 2012 Summer Olympics, Sunday, Aug. 5, 2012, in London. (AP Photo/Hassan Ammar)

Russia's Darya Pishchalnikova reacts after competing in the women's discus throw at the athletics event of the London 2012 Olympic Games on August 4, 2012 in London. AFP PHOTO / ADRIAN DENNIS

From left, Russia's Darya Pishchalnikova, Croatia's Sandra Perkovic and China's Li Yanfeng pose with their medals for the women's discus throw during the athletics in the Olympic Stadium at the 2012 Summer Olympics, London, Saturday, Aug. 4, 2012. Perkovic won gold, Pishchalnikova silver and Li bronze. (AP Photo/Daniel Ochoa De Olza)

Russia's Darya Pishchalnikova competes in the women's discus throw during athletics competition in the Olympic Stadium at the 2012 Summer Olympics, Saturday, Aug. 4, 2012, in London. (AP Photo/David J. Phillip )

Russia's Darya Pishchalnikova reacts after receiving silver in the women's discus throw during the athletics competition in the Olympic Stadium at the 2012 Summer Olympics, Saturday, Aug. 4, 2012 in London. (AP Photo/David J. Phillip )

Russia's Darya Pishchalnikova makes an attempt during the women's discus qualification at the athletics competition in the Olympic Stadium at the 2012 Summer Olympics, Friday, Aug. 3, 2012, in London.(AP Photo/Matt Dunham)