London Olympics | Gymnastics

Aly Raisman of the United States competes in the women’s floor exercise final.   (Hannah Johnston / Getty Images)

U.S. gymnast Aly Raisman executes a twisting flip during her gold medal-winning floor exercise routine.  (Robert Gauthier / Los Angeles Times)

Gabrielle Douglas of the United States slips off the balance beam, taking her out of medal contention.  (Robert Gauthier / Los Angeles Times)

Aly Raisman of the United States executes a flip during her bronze medal preformance on the balance beam.

U.S. gymnast Aly Raisman and coach Mihai Brestyan wait to hear results of the United States’ appeal of her score in the balance beam competition. Team USA won the appeal and Raisman received the bronze medal.

German gymnast Fabian Hambuchen sticks his landing and wins a silver medal in the men’s horizontal bar event.  (Robert Gauthier / Los Angeles Times)

U.S. gymnast Jonathan Horton competes in the men’s horizontal bar final. He finished sixth.   (Robert Gauthier / Los Angeles Times)

Epke Zonderland of the Netherlands won the gold medal in the men’s horizontal bar competition.  (Robin Utrecht / EPA)

Epke Zonderland of the Netherlands completed a high-risk performance to win the gold medal in the men’s horizontal bar competition.  (Robin Utrecht / EPA)

It looks like Chinese gymnast Deng Linlin is missing her head during her performance on the balance beam. She won the gold medal in the event.   (Gregory Bull / Associated Press)

Greek gymnast Vasileios Tsolakidis competes in the men’s parallel bar final.  (Robert Gauthier / Los Angeles Times)

Larissa Andrea Iordache of Romania struggles to maintain her balance as she falls from the balance beam during the gymnastics final.  (Robert Gauthier / Los Angeles Times)