Damu Cherry (L) of the U.S. and Brigitte Foster-Hylton (R) of the U.S. compete in the women's 100-metre hurdles at the IAAF Super Grand Prix athletics meeting in Lausanne, Switzerland, July 11, 2006. REUTERS/Dominic Favre (SWITZERLAND) 

Jamaica's gold medallist Brigitte Foster-Hylton (front) leads team member and bronze medallist Delloreen Ennis-London (C) and Canada's silver medallist Angela Whyte (R) during the women's 100m hurdles final at the Commonwealth Games in Melbourne March 24, 2006. REUTERS/Russell Boyce 

Jamaica's gold medalist Brigitte Foster-Hylton (R) hugs team mates Lacena Golding-Clarke (L) and bronze medallist Delloreen Ennis-London after the women's 100m hurdles final at the Commonwealth Games in Melbourne March 24, 2006. REUTERS/David Gray 

Michelle Perry of the U.S. (R) sprints to the finish to win the women's 100 metres hurdles final ahead third placed Brigitte Foster-Hylton of Jamaica as Joanna Hayes (L) of the U.S. crashes into the last hurdle at the world athletics championships in Helsinki, August 11, 2005. [Perry won the race with a time of 12.66. seconds. Hayes was taken away in a stretcher after finishing the race and falling to the ground.] 

(L-R) Delloreen Ennis-London of Jamaica, Michelle Perry of the U.S. and Brigitte Foster-Hylton of Jamaica display their medals during the awards ceremony for the women's 100 metres hurdles at the world athletics championships in Helsinki August 11, 2005. Perry won the gold medal. 

Michelle Perry of the U.S. (R) sprints to the finish to win the women's 100 metres hurdles final ahead third placed Brigitte Foster-Hylton of Jamaica as Joanna Hayes (L) of the U.S. crashes into the last hurdle at the world athletics championships in Helsinki, August 11, 2005. Perry won the race with a time of 12.66. seconds. Hayes was taken away in a stretcher after finishing the race and falling to the ground. REUTERS/Gary Hershorn PICTURES OF THE YEAR 2005 

Michelle Perry of the U.S. (R) jumps over a hurdle next to third placed Brigitte Foster-Hylton of Jamaica (C) as Joanna Hayes of the U.S. crashes into the last hurdle at the world athletics championships in Helsinki August 11, 2005. Perry won the race with a time of 12.66. seconds. Hayes was taken away in a stretcher after finishing the race and falling to the ground. REUTERS/Gary Hershorn PH/JJ 

(L-R) Delloreen Ennis-London of Jamaica, Michelle Perry of the U.S. and Brigitte Foster-Hylton of Jamaica display their medals during the awards ceremony for the women's 100 metres hurdles at the world athletics championships in Helsinki August 11, 2005. Perry won the gold medal. REUTERS/Ruben Sprich AA/JJ 

Michelle Perry of the U.S. (R) sprints to the finish to win the women's 100 metres hurdles final ahead third placed Brigitte Foster-Hylton of Jamaica as Joanna Hayes (L) of the U.S. crashes into the last hurdle at the world athletics championships in Helsinki, August 11, 2005. Perry won the race with a time of 12.66. seconds. Hayes was taken away in a stretcher after finishing the race and falling to the ground. REUTERS/Gary Hershorn PH/DL 

Joanna Hayes of the U.S. (C) crashes into the last hurdle as Delloreen Ennis-London of Jamaica (L) and Brigitte Foster-Hylton also of Jamaica cross the finish in the women's 100 metres hurdles final at the world athletics championships in Helsinki August 11, 2005. Ennis-London finished in second place and Foster-Hylton in third. Hayes was taken away in a stretcher after finishing the race and falling to the ground. REUTERS/Michael Dalder PH/JJ 

Brigitte Foster-Hylton of Jamaica (L) and her compatriot Delloreen Ennis-London hold the national flag after competing in the women's 100 metres hurdles final at the world athletics championships in Helsinki August 11, 2005. Ennis-London clocked a time of 12.76 seconds to win the silver while Foster-Hylton won the bronze. REUTERS/Kai Pfaffenbach CN/JJ 

Michelle Perry of the U.S. (R) sprints to the finish line to win the women's 100 metres hurdles final ahead of second placed Delloreen Ennis-London (L) of Jamaica and third placed Brigitte Foster-Hylton (2nd R) also of Jamaica as Joanna Hayes (2nd L) of the U.S. crashes into the last hurdle at the world athletics championships in Helsinki August 11, 2005. Perry won the race with a time of 12.66 seconds. Hayes was taken away in a stretcher after finishing the race and falling to the ground. REUTERS/Michael Dalder PH/JJ 

Shevchenko of Russia and Foster-Hylton of Jamaica clear hurdles during the women's 100 metres hurdles semi-final in Helsinki. Irina Shevchenko of Russia (L) and Brigitte Foster-Hylton of Jamaica clear hurdles during the women's 100 metres hurdles second semi-final at the world athletics championships in Helsinki August 10, 2005. Foster-Hylton finished first in the semi-final, while Shevchenko was third. REUTERS/Michael Dalder 

Foster-Hylton of Jamaica competes in 100 metres hurdles heat at world athletics championships in Helsinki. Brigitte Foster-Hylton of Jamaica clears a hurdle during the women's 100 metres hurdles fourth heat at the world athletics championships in Helsinki August 9, 2005. Foster-Hylton finished first in her heat. REUTERS/Michael Dalder