Las abdominales de Serena Williams

Durante su entrenamiento del Abierto de Australia, la estadounidense Serena Williams dejó ver unas abdominales envidiables y en general, un musculoso cuerpo, que dejan en claro por qué es una de las más fuertes del tenis mundial.

Serena Williams takes a break during a practice session for the upcoming Australian Open tennis tournament in Melbourne on January 12, 2012. The first Grand Slam tennis tournament of the year, the Australian Open, is set to start on January 16. IMAGE STRICTLY RESTRICTED TO EDITORIAL USE - STRICTLY NO COMMERCIAL USE AFP PHOTO / Paul CROCK
Serena Williams Takes AFP/Getty Images
Serena Williams takes a break during a practice session for the upcoming Australian Open tennis tournament in Melbourne on January 12, 2012. The first Grand Slam tennis tournament of the year, the Australian Open, is set to start on January 16. IMAGE STRICTLY RESTRICTED TO EDITORIAL USE - STRICTLY NO COMMERCIAL USE AFP PHOTO / Paul CROCK
Serena Williams eyes the ball during a practice session for the upcoming Australian Open tennis tournament in Melbourne on January 12, 2012. The first Grand Slam tennis tournament of the year, the Australian Open, is set to start on January 16. IMAGE STRICTLY RESTRICTED TO EDITORIAL USE - STRICTLY NO COMMERCIAL USE AFP PHOTO / Paul CROCK
Serena Williams Eyes AFP/Getty Images
Serena Williams eyes the ball during a practice session for the upcoming Australian Open tennis tournament in Melbourne on January 12, 2012. The first Grand Slam tennis tournament of the year, the Australian Open, is set to start on January 16. IMAGE STRICTLY RESTRICTED TO EDITORIAL USE - STRICTLY NO COMMERCIAL USE AFP PHOTO / Paul CROCK
Serena Williams takes a break during a practice session for the upcoming Australian Open tennis tournament in Melbourne on January 12, 2012. The first Grand Slam tennis tournament of the year, the Australian Open, is set to start on January 16. IMAGE STRICTLY RESTRICTED TO EDITORIAL USE - STRICTLY NO COMMERCIAL USE AFP PHOTO / Paul CROCK
Serena Williams Takes AFP/Getty Images
Serena Williams takes a break during a practice session for the upcoming Australian Open tennis tournament in Melbourne on January 12, 2012. The first Grand Slam tennis tournament of the year, the Australian Open, is set to start on January 16. IMAGE STRICTLY RESTRICTED TO EDITORIAL USE - STRICTLY NO COMMERCIAL USE AFP PHOTO / Paul CROCK
A workman walks behind Serena Williams as she hits up during a practice session for the upcoming Australian Open tennis tournament in Melbourne on January 12, 2012. The first Grand Slam tennis tournament of the year, the Australian Open, is set to start on January 16. IMAGE STRICTLY RESTRICTED TO EDITORIAL USE - STRICTLY NO COMMERCIAL USE AFP PHOTO / Paul CROCK
A Workman Walks AFP/Getty Images
A workman walks behind Serena Williams as she hits up during a practice session for the upcoming Australian Open tennis tournament in Melbourne on January 12, 2012. The first Grand Slam tennis tournament of the year, the Australian Open, is set to start on January 16. IMAGE STRICTLY RESTRICTED TO EDITORIAL USE - STRICTLY NO COMMERCIAL USE AFP PHOTO / Paul CROCK
Serena Williams plays a volley during a practice session for the upcoming Australian Open tennis tournament in Melbourne on January 12, 2012. The first Grand Slam tennis tournament of the year, the Australian Open, is set to start on January 16. IMAGE STRICTLY RESTRICTED TO EDITORIAL USE - STRICTLY NO COMMERCIAL USE AFP PHOTO / Paul CROCK
Serena Williams Plays AFP/Getty Images
Serena Williams plays a volley during a practice session for the upcoming Australian Open tennis tournament in Melbourne on January 12, 2012. The first Grand Slam tennis tournament of the year, the Australian Open, is set to start on January 16. IMAGE STRICTLY RESTRICTED TO EDITORIAL USE - STRICTLY NO COMMERCIAL USE AFP PHOTO / Paul CROCK
Serena Williams plays a volley during a practice session for the upcoming Australian Open tennis tournament in Melbourne on January 12, 2012. The first Grand Slam tennis tournament of the year, the Australian Open, is set to start on January 16. IMAGE STRICTLY RESTRICTED TO EDITORIAL USE - STRICTLY NO COMMERCIAL USE AFP PHOTO / Paul CROCK
Serena Williams Plays AFP/Getty Images
Serena Williams plays a volley during a practice session for the upcoming Australian Open tennis tournament in Melbourne on January 12, 2012. The first Grand Slam tennis tournament of the year, the Australian Open, is set to start on January 16. IMAGE STRICTLY RESTRICTED TO EDITORIAL USE - STRICTLY NO COMMERCIAL USE AFP PHOTO / Paul CROCK
Serena Williams plays a volley during a practice session for the upcoming Australian Open tennis tournament in Melbourne on January 12, 2012. The first Grand Slam tennis tournament of the year, the Australian Open, is set to start on January 16. IMAGE STRICTLY RESTRICTED TO EDITORIAL USE - STRICTLY NO COMMERCIAL USE AFP PHOTO / Paul CROCK
Serena Williams Plays AFP/Getty Images
Serena Williams plays a volley during a practice session for the upcoming Australian Open tennis tournament in Melbourne on January 12, 2012. The first Grand Slam tennis tournament of the year, the Australian Open, is set to start on January 16. IMAGE STRICTLY RESTRICTED TO EDITORIAL USE - STRICTLY NO COMMERCIAL USE AFP PHOTO / Paul CROCK
A workman walks behind Serena Williams as she hits up during a practice session for the upcoming Australian Open tennis tournament in Melbourne on January 12, 2012. The first Grand Slam tennis tournament of the year, the Australian Open, is set to start on January 16. IMAGE STRICTLY RESTRICTED TO EDITORIAL USE - STRICTLY NO COMMERCIAL USE AFP PHOTO / Paul CROCK
A Workman Walks AFP/Getty Images
A workman walks behind Serena Williams as she hits up during a practice session for the upcoming Australian Open tennis tournament in Melbourne on January 12, 2012. The first Grand Slam tennis tournament of the year, the Australian Open, is set to start on January 16. IMAGE STRICTLY RESTRICTED TO EDITORIAL USE - STRICTLY NO COMMERCIAL USE AFP PHOTO / Paul CROCK
Serena Williams plays a volley during a practice session for the upcoming Australian Open tennis tournament in Melbourne on January 12, 2012. The first Grand Slam tennis tournament of the year, the Australian Open, is set to start on January 16. IMAGE STRICTLY RESTRICTED TO EDITORIAL USE - STRICTLY NO COMMERCIAL USE AFP PHOTO / Paul CROCK
Serena Williams Plays AFP/Getty Images
Serena Williams plays a volley during a practice session for the upcoming Australian Open tennis tournament in Melbourne on January 12, 2012. The first Grand Slam tennis tournament of the year, the Australian Open, is set to start on January 16. IMAGE STRICTLY RESTRICTED TO EDITORIAL USE - STRICTLY NO COMMERCIAL USE AFP PHOTO / Paul CROCK
Serena Williams plays a volley during a practice session for the upcoming Australian Open tennis tournament in Melbourne on January 12, 2012. The first Grand Slam tennis tournament of the year, the Australian Open, is set to start on January 16. IMAGE STRICTLY RESTRICTED TO EDITORIAL USE - STRICTLY NO COMMERCIAL USE AFP PHOTO / Paul CROCK
Serena Williams Plays AFP/Getty Images
Serena Williams plays a volley during a practice session for the upcoming Australian Open tennis tournament in Melbourne on January 12, 2012. The first Grand Slam tennis tournament of the year, the Australian Open, is set to start on January 16. IMAGE STRICTLY RESTRICTED TO EDITORIAL USE - STRICTLY NO COMMERCIAL USE AFP PHOTO / Paul CROCK
Serena Williams plays a volley during a practice session for the upcoming Australian Open tennis tournament in Melbourne on January 12, 2012. The first Grand Slam tennis tournament of the year, the Australian Open, is set to start on January 16. IMAGE STRICTLY RESTRICTED TO EDITORIAL USE - STRICTLY NO COMMERCIAL USE AFP PHOTO / Paul CROCK
Serena Williams Plays AFP/Getty Images
Serena Williams plays a volley during a practice session for the upcoming Australian Open tennis tournament in Melbourne on January 12, 2012. The first Grand Slam tennis tournament of the year, the Australian Open, is set to start on January 16. IMAGE STRICTLY RESTRICTED TO EDITORIAL USE - STRICTLY NO COMMERCIAL USE AFP PHOTO / Paul CROCK

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