Oscar Pistorius, a champion Paralympic sprinter from South Africa, performs stretching exercises before a training session in Pretoria, South Africa. (Denis Farrell / AP)
Oscar Pistorius, who was born without fibulas, ankles and calf bones, had his legs amputated at 11 months old, yet played rugby as a schoolboy until an injury steered him toward running only five years ago. (Denis Farrell / AP)
Oscar Pistorius completes the process of putting on his racing blades before a training session. (Denis Farrell / AP)
South Africa’s Oscar Pistorius races with Marco Moraglioas during the men’s 400-meter “B” race in Rome on Friday. (Roberto Tedeschi / EPA)
Oscar Pistorius was jubilant after finishing second in the men’s 400-meter “B” race in Rome, a final tuneup before his debut in an elite competition on Sunday. (Claudio Peri / EPA)
An Icelandic company modeled the blades after the curvature of the legs of the cheetah. (Alessandro Di Meo / EPA)
Oscar Pistorius takes off at the start of the 400-meter “B” race in Rome on Friday. (Claudio Peri / EPA)
Oscar Pistorius finished seventh in a field of eight during his first elite 400-meter competition on Sunday in Sheffield, England. Olympic champion Jeremy Wariner failed to finish after stumbling out of the blocks and Pistorius was later disqualified from the race for running outside his lane. (John Giles / AP)
Ocar Pistorius is escorted back to a dry area after competeing in the men’s 400 meters at Don Valley Stadium in Sheffield, England on Friday. (Susannah Ireland / EPA)
