McKayla Maroney falls during vault final

McKayla Maroney's spectacular vault performance helped the U.S. win gold in the women's gymnastics team final but she faltered during the individual vault competition.

Olympics Day 9 - Gymnastics - Artistic

McKayla Maroney of United States fails to land her dismount in the Artistic Gymnastics Women's Vault final on Day 9 of the London 2012 Olympic Games at North Greenwich Arena on August 5, 2012 in London, England. (Photo by Quinn Rooney/Getty Images)

Olympics Day 9 - Gymnastics - Artistic

McKayla Maroney of United States competes in the Artistic Gymnastics Women's Vault final on Day 9 of the London 2012 Olympic Games at North Greenwich Arena on August 5, 2012 in London, England. (Photo by Ezra Shaw/Getty Images)

Olympics Day 9 - Gymnastics - Artistic

McKayla Maroney of the United States stands on the podium with her silver medal during the medal ceremony following the Artistic Gymnastics Women's Vault final on Day 9 of the London 2012 Olympic Games at North Greenwich Arena on August 5, 2012 in London, England. (Photo by Ronald Martinez/Getty Images)

Olympics Day 9 - Gymnastics - Artistic

(L-R) Sandra Raluca Izbasa of Romania and Maria Paseka of Russia embrace as McKayla Maroney of the United States looks on during the Artistic Gymnastics Women's Vault Final on Day 9 of the London 2012 Olympic Games at North Greenwich Arena on August 5, 2012 in London, England. (Photo by Ronald Martinez/Getty Images)

Olympics Day 9 - Gymnastics - Artistic

(L-R) McKayla Maroney of the United States looks on as she is consoled by coach Yin Alvarez after she fell on a dismount while competing in the Artistic Gymnastics Women's Vault Final on Day 9 of the London 2012 Olympic Games at North Greenwich Arena on August 5, 2012 in London, England. (Photo by Ronald Martinez/Getty Images)

Olympics Day 9 - Gymnastics - Artistic

McKayla Maroney of the United States stands on the podium with her silver medal during the medal ceremony following the Artistic Gymnastics Women's Vault final on Day 9 of the London 2012 Olympic Games at North Greenwich Arena on August 5, 2012 in London, England. (Photo by Ronald Martinez/Getty Images)

Olympics Day 9 - Gymnastics - Artistic

McKayla Maroney of United States looks on during the Artistic Gymnastics Women's Vault final on Day 9 of the London 2012 Olympic Games at North Greenwich Arena on August 5, 2012 in London, England. (Photo by Ronald Martinez/Getty Images)

Olympics Day 9 - Gymnastics - Artistic

McKayla Maroney of United States competes in the Artistic Gymnastics Women's Vault final on Day 9 of the London 2012 Olympic Games at North Greenwich Arena on August 5, 2012 in London, England. (Photo by Quinn Rooney/Getty Images)

Olympics Day 9 - Gymnastics - Artistic

Silver medallist McKayla Maroney (L) of the United States, gold medallist Sandra Raluca Izbasa of Romania and bronze medallist Maria Paseka of Russia pose with their medals during the medal ceremony following the Artistic Gymnastics Women's Vault final on Day 9 of the London 2012 Olympic Games at North Greenwich Arena on August 5, 2012 in London, England. (Photo by Ronald Martinez/Getty Images)

Olympics Day 9 - Gymnastics - Artistic

(L-R) McKayla Maroney of the United States looks on as she is consoled by coach Yin Alvarez after she fell on a dismount while competing in the Artistic Gymnastics Women's Vault Final on Day 9 of the London 2012 Olympic Games at North Greenwich Arena on August 5, 2012 in London, England. (Photo by Ronald Martinez/Getty Images)

Olympics Day 9 - Gymnastics - Artistic

McKayla Maroney of United States competes in the Artistic Gymnastics Women's Vault final on Day 9 of the London 2012 Olympic Games at North Greenwich Arena on August 5, 2012 in London, England. (Photo by Ezra Shaw/Getty Images)

Olympics Day 9 - Gymnastics - Artistic

McKayla Maroney of United States competes on the vault during the Artistic Gymnastics Women's Vault final on Day 9 of the London 2012 Olympic Games at North Greenwich Arena on August 5, 2012 in London, England. (Photo by Ronald Martinez/Getty Images)

Olympics Day 9 - Gymnastics - Artistic

McKayla Maroney of United States looks on during the Artistic Gymnastics Women's Vault final on Day 9 of the London 2012 Olympic Games at North Greenwich Arena on August 5, 2012 in London, England. (Photo by Ronald Martinez/Getty Images)

Today - Season 61

TODAY -- Pictured: (l-r) Jordyn Wieber, Aly Raisman, Savannah Guthrie, Matt Lauer, McKayla Maroney, Gabby Douglas, Kyla Ross -- Photo by: (Dave Hogan/NBC)

2012 Summer Olympics - Season 2012

2012 SUMMER OLYMPICS -- US Women's Gymnasts -- Pictured: (l-r) Kyla Ross, Jordyn Wieber, Aly Raisman, Bob Costas, McKayla Maroney, Gabby Douglas -- (Photo by: Paul Drinkwater/NBC/NBCU Photo Bank via Getty Images)

Olympics Day 4 - Gymnastics - Artistic

LONDON, ENGLAND - JULY 31: Mc Kayla Maroney of the United States poses with the gold medal after helping the United States win the Artistic Gymnastics Women's Team final on Day 4 of the London 2012 Olympic Games at North Greenwich Arena on July 31, 2012 in London, England. (Photo by Ronald Martinez/Getty Images)

Olympics Day 4 - Gymnastics - Artistic

LONDON, ENGLAND - JULY 31: Jordyn Wieber, Gabrielle Douglas, Mc Kayla Maroney, Alexandra Raisman and Kyla Ross of the United States celebrate on the podium after winning the gold medal in the Artistic Gymnastics Women's Team final on Day 4 of the London 2012 Olympic Games at North Greenwich Arena on July 31, 2012 in London, England. (Photo by Cameron Spencer/Getty Images)

Olympics Day 4 - Gymnastics - Artistic

LONDON, ENGLAND - JULY 31: Mc Kayla Maroney hugs teammate Alexandra Raisman of the United States during the Artistic Gymnastics Women's Team final on Day 4 of the London 2012 Olympic Games at North Greenwich Arena on July 31, 2012 in London, England. (Photo by Ronald Martinez/Getty Images)

Olympics Day 4 - Gymnastics - Artistic

LONDON, ENGLAND - JULY 31: (L-R) Kyla Ross, Mc Kayla Maroney, Alexandra Raisman, Gabrielle Douglas and Jordyn Wieber of the United States watch during the Artistic Gymnastics Women's Team final on Day 4 of the London 2012 Olympic Games at North Greenwich Arena on July 31, 2012 in London, England. (Photo by Jamie Squire/Getty Images)

Olympics Day 4 - Gymnastics - Artistic

LONDON, ENGLAND - JULY 31: Mc Kayla Maroney of the United States looks on as she is introduced in the Artistic Gymnastics Women's Team final on Day 4 of the London 2012 Olympic Games at North Greenwich Arena on July 31, 2012 in London, England. (Photo by Ronald Martinez/Getty Images)

Maroney

U.S. gymnast McKayla Maroney performs on the vault during the Artistic Gymnastic women's team final at the 2012 Summer Olympics, Tuesday, July 31, 2012, in London. (AP Photo/Gregory Bull)

Maroney

U.S. gymnast McKayla Maroney performs on the vault during the Artistic Gymnastic women's team final at the 2012 Summer Olympics, Tuesday, July 31, 2012, in London. (AP Photo/Gregory Bull)

Olympics Day 4 - Gymnastics - Artistic

LONDON, ENGLAND - JULY 31: Mc Kayla Maroney of the United States competes on the vault in the Artistic Gymnastics Women's Team final on Day 4 of the London 2012 Olympic Games at North Greenwich Arena on July 31, 2012 in London, England. (Photo by Jamie Squire/Getty Images)

Olympics Day 4 - Gymnastics - Artistic

LONDON, ENGLAND - JULY 31: Mc Kayla Maroney of the United States of America celebrates her performance on the vault in the Artistic Gymnastics Women's Team final on Day 4 of the London 2012 Olympic Games at North Greenwich Arena on July 31, 2012 in London, England. (Photo by Ronald Martinez/Getty Images)

Olympics Day 4 - Gymnastics - Artistic

LONDON, ENGLAND - JULY 31: Mc Kayla Maroney of the United States of America celebrates her performance on the vault in the Artistic Gymnastics Women's Team final on Day 4 of the London 2012 Olympic Games at North Greenwich Arena on July 31, 2012 in London, England. (Photo by Ronald Martinez/Getty Images)

Maroney

U.S. gymnast McKayla Maroney poses after completing her routine on the vault during the Artistic Gymnastic women's qualifications at the 2012 Summer Olympics, Sunday, July 29, 2012, in London. (AP Photo/Julie Jacobson)

2012 U.S. Olympic Gymnastics Team Trials - Day 4

SAN JOSE, CA - JULY 01: McKayla Maroney competes on the balance beam during day 4 of the 2012 U.S. Olympic Gymnastics Team Trials at HP Pavilion on July 1, 2012 in San Jose, California. (Photo by Ezra Shaw/Getty Images)

2012 U.S. Olympic Gymnastics Team Trials - Day 4

SAN JOSE, CA - JULY 01: McKayla Maroney competes on the floor exercise during day 4 of the 2012 U.S. Olympic Gymnastics Team Trials at HP Pavilion on July 1, 2012 in San Jose, California. (Photo by Ezra Shaw/Getty Images)

2012 U.S. Olympic Gymnastics Team Trials - Day 4

SAN JOSE, CA - JULY 01: (EDITORS NOTE: Multiple exposures were combined in camera to produce this image.) McKayla Maroney practices on the beam before the start of competition on day 4 of the 2012 U.S. Olympic Gymnastics Team Trials at HP Pavilion on July 1, 2012 in San Jose, California. (Photo by Ezra Shaw/Getty Images)