McKayla Maroney

USA's gymnasts, from left, Jordyn Wieber, McKayla Maroney, Sabrina Vega, Alexandra Raisman and Gabrielle Douglas, celebrate on the podium winning the women's team final at the Artistic Gymnastics World Championships in Tokyo, Oct. 11, 2011.

Special Section: The 2012 Olympics in London

Credit: AP Photo/Bullit Marquez