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.

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.

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 ...

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 ...

Jamaican sprinter and former 100 meter world record holder Asafa Powell has been given an 18-month ban for taking the banned stimulant oxilofrine at last year’s Jamaican national championships.

DAEGU, South Korea -- Asafa Powell pulled out of the Jamaican 4x100-meter relay team Thursday because he has not sufficiently recovered from a groin injury. Powell's agent, Paul Doyle, told The ...

RIO DE JANEIRO, BRAZIL - AUGUST 19: Asafa Powell of Jamaica celebrates winning the Men’s 4 x 100m Relay Final on Day 14 of the Rio 2016 Olympic Games at the Olympic Stadium on August 19, 2016 in Rio ...