The banned drug oxilofrine that top Jamaican sprinters Asafa Powell and Sherone Simpson have ... their power-to-weight ratio with more lean muscle and less fat, and so increase their speed.

ROME -- Former world record-holder Asafa Powell is just as nervous ... But it's always good to put on some muscles," said Powell, who still appears more muscular than the tall and lanky Bolt.

Former 100-meter world-record holder Asafa Powell and Jamaican teammate Sherone Simpson have each tested positive for banned stimulants, their agent told The Associated Press. Powell and Simpson ...

Asafa Powell, the last man to hold the 100m world record prior to his compatriot Usain Bolt, admitted to a Jamaican disciplinary hearing on Tuesday that he had a hazy knowledge of the World Anti ...

A chest injury will keep Jamaican sprinter Asafa Powell out of action for two months ... treatment in Florida for a pulled pectoral muscle and will resume training in about a week.

Earlier this year, I was making a programme about Olympic sprinters, and I was lucky enough to attend a training session in Jamaica where former 100 metres world record holder Asafa Powell and his ...

Two days after fellow Jamaican sprinter Sherone Simpson received an 18-month doping suspension, former 100-meter world-record holder Asafa Powell was hit with the same penalty after testing ...

A nagging groin injury will force Jamaican sprinter Asafa Powell to miss the 4x100-meter relay, a race the country is heavily favored to win after earning gold at the last Olympics. Luckily for ...

MELBOURNE, Australia -- Former world record holder Asafa Powell has withdrawn from Monday's Stawell Gift handicap race in Australia because of a nagging hamstring injury which forced him to pull ...