China's Liu Xiang, right, and Hungary's Balazs Baji, left, react after Liu fell in a men's 110-meter hurdles heat on August 7, 2012, and hopped to the finish line with an injured foot. (AP Photo/Anja Niedringhaus)
China's Liu Xiang, right, and Hungary's Balazs Baji, left, react after Liu fell in a men's 110-meter hurdles heat on August 7, 2012, and hopped to the finish line with an injured foot. (AP Photo/Anja Niedringhaus)