I understand what these gentlemen are telling us, but what about the muscle mass Oscar hasn't got in the form of his missing limbs? Have they factored this into their equation?
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‘Oscar has advantage’
- Updated: November 19, 2009
The latest study on the prosthetic legs of double-amputee sprinter Oscar Pistorius shows that the South African’s artificial limbs give him a 10 second advantage over a 400m race.
Human performance researchers Peter Weyand of Southern Methodist University and Matthew Bundle of the University of Wyoming say that Pistorius, who has been cleared to compete against able-bodied runners, runs the 400m distance 10 seconds faster than he would if his prosthetic limbs behaved like normal legs.
Associated Press reports that their conclusion will be published Thursday in the Journal of Applied Physiology.ÔÇ¿ÔÇ¿”Pistorius’ sprinting mechanics are anomalous, advantageous and directly attributable to how much lighter and springier his artificial limbs are,” Weyand said in a statement. “The blades enhance sprint running speeds by 15-30 percent.”
Based on tests performed by German professor Gert-Peter Brueggemann, the IAAF banned Pistorius from competing against able-bodied athletes in January 2008, but that was overturned by the Court of Arbitration for Sport in May.ÔÇ¿ÔÇ¿The CAS ruling cleared Pistorius to compete at the Beijing Olympics, but he failed to run the required qualifying time of 45.95 seconds. His personal best is 46.25.
After failing to reach the Olympics in Beijing, Pistorius won three gold medals in the 100m, 200m and 400m at the Paralympics last September. He also failed to meet the qualified standard ahead of this year’s world championships in Berlin.
The 22-year-old Pistorius, known as the “Blade Runner,” is still hoping to qualify for the 2012 London Olympics.
Weyand and Bundle now say that the lightweight blades allow Pistorius “to reposition his limbs 15.7 percent more rapidly than five of the most recent former world-record holders in the 100m dash.
“The springy, lightweight blades allow Pistorius to attain the same sprinting speeds while applying 20 percent less ground force than intact-limb runners,” the pair found, according to the statement.
“The springy blades reduce the muscle forces Pistorius requires for sprinting to less than half of intact-limb levels.”