2011年1月2日星期日

Those wise replica Gucci 26891 WoMen's watch in the ways of movements will quickly

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A couple of years ago, Wired magazine put out a forwardlooking article addressing whether paralympic sprinter Oscar Pistoriuss artificial legs (called Cheetahs) gave him an advantage over ablebodied sprinters. After all, at the time he was close to qualifying for the Olympics with prostheses. No one expects ablebodied runners to replica Gucci YA068540 6800 WoMen's watch compete headtohead withwheelchairbound marathoners. The wheels confer an obvious speedadvantage, and maybe Oscar Pistorius’ Cheetahs do, too. So the realquestion is this: Do ablebodied athletes need protection from him?

(Wired, March 2007)A team of scientists from MIT took on the challenge, testing whether new advances in prosthetic technology gave athletes with artificial legs an advantage. The team put six elite sprinters with prosthetic legs on a fancy treadmill. They measured the ground reaction force of the sprinters legs and watched videos to replica Gucci 26830 WoMen's watch examine leg swing times. The article was published this week in Biology Letters.Though prosthetic legs are lighter than real legs, the athletes equipped with them did not have faster swing times. In addition, the sprinters tested measured 9 percent less ground reaction force on their prosthesis.

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