Bigger, Faster, Stronger: Will Bionic Limbs Put the Olympics to Shame?

We?ve heard all about Pistorius, the South African sprinter born without fibulas, who wears prosthetics called Flex-Foot Cheetahs that allow him to compete not just with disabled runners, but with the best able-bodied sprinters on the planet. His presence at the Games has sparked considerable debate. Do his prosthetics give him an unfair advantage, as some still argue, or do their limitations ? not to mention his incomplete lower-body musculature, which forces him to compensate with muscle groupings elsewhere ? level the competitive balance?

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