U.S. women’s gymnastics

U.S. gymnast Jordyn Wieber performs floor exercise at the London Olympics.  (Gregory Bull / Associated Press)

U.S. gymnast Kyla Ross spins on the uneven bars.  (Ben Stansall / AFP / Getty Images)

U.S. gymnast Kyla Ross performs on the balance beam during the women’s artistic gymnastics qualifications.   (Gregory Bull / Associated Press)

U.S. gymnast Kyla Ross works on the balance beam at the London Olympics.  (Gregory Bull / Associated Press)

American Jordyn Wieber flies on the uneven bars during the women’s individual qualifications at the 2012 London Olympics.  (Wally Skalij / Los Angeles Times)

U.S. gymnasts, from left, Gabrielle Douglas and McKayla Maroney cheer a teammate’s performance.  (Thomas Coex / AFP / Getty Images)