Knee Prosthetic
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Check Ebay for Knee Prosthetic products.
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 Prosthetic leg shower protector Below Knee Amputee  US $25.00
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 Prosthetic Leg Left Leg Below the Knee Amputee Lightly Used US $99.99
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 vintage prosthetic leg and knee with foot OTTO BOCK US $20.00
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 OSSUR RHEO KNEE Bionic Microprocessor left right leg prosthetic prosthesis c leg US $2,100.00
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 CENTURY XXII TOTAL KNEE 2000 Carbon Fiber Prosthetic RIGHT LEG Above the knee US $199.99
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 Prosthetic Components Shuttle Lock leg foot knee for locking liner US $1.00
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 Prosthetic Components Shuttle Lock ring adapter leg foot knee for locking liner US $1.00
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 Prosthetic Components Shuttle Lock piramid adapter leg foot knee locking liner US $1.00
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 Prosthetic Components shuttle piramid pilon adapter leg foot knee locking liner US $2.25
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 2011 Otto Bock C Leg 3C98 1 Microprocessor Prosthetic Knee Unit US $560.00
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 PROSTHETIC RIGHT LEG BELOW the KNEE with 27 SIZE FOOT US $24.99
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 Bare bone carbon fiber socket kit 4 prosthetic leg knee US $199.00
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 Prosthetic leg knee foot socket book kit 4 new parts US $49.95
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 Teh Lin Four Bar Prosthetic Knee Unit Graph Lite System US $225.00
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 Freedom Innovations Plié 20 MPC Prosthetic Knee US $8,691.65
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 Carbon Fiber Prosthetic RIGHT LEG Above the knee US $200.00
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 Otto Bock Prosthetic Left Leg With Foot Titan Below Knee 2R31 Mens Size 9 Foot US $234.50
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 PROSTHESIS PROSTHETIC BELOW KNEE RIGHT LEG NICE US $400.00
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 Leg Prosthetic Prosthesis Left Below Knee Ti USMC Bock Carbon US $97.99
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 Seattle Natural 4 bar Polycentric Prosthetic Knee Unit US $225.00
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Prosthetics for Six Million Dollar Men
It may seem surprising, but it's absolutely true: you can wear prosthetics and run faster than you could with your own two legs! Not just any old prosthetics, though, but top-of-the-line ultra-modern streamlined stuff that cost eighteen thousand dollars - each. We really can make him better, stronger, faster. We have the technology.
Such is the case with famed South African runner Oscar Pistorius, a world-class 400-meter specialist who also happens to be a double amputee below the knees. He wears custom-made prostheses called Cheetahs, and after much debate around his impressive competition in able bodied events, it was scientifically determined that they help him so much that he was banned from competing in the 2008 Beijing Olympics.
The facts are startling: his prostheses have been found to return energy three times more than a human ankle for a superior boost that never fades, another distinct advantage. Prosthetics, after all, never tire out, giving stead performance stride after stride. Still another improvement over nature is the reduced loss of energy involved when using prostheses - only just over nine percent versus almost forty-one and a half percent! All these facts are related to the much stiffer nature of a prosthetic. Being stiffer also means that less vertical oscillation is produced.
Then there is the matter of weight. A professional runner's leg alone can weigh up to twenty pounds (that is, the lower leg, as opposed to the whole limb), whereas each of the two Cheetahs worn by Pistorius weighs just over two pounds apiece. And it means that a runner like Pistorius uses a quarter less oxygen than his competitors: no fatiguing, less weight, more energy return, much less energy loss. The decision barring Pistorius from the Olympics was ultimately rescinded, though he failed to make the qualifying time by .7 seconds. He was not selected to be among the initial four of the South African team, which instead was comprised of four other runners all with times just slightly better than Pistorius'. However, given the reversal of the decision forbidding him to compete in the Olympics, it is expected that he will represent South Africa in London, 2012.
And Pistorius is just one example. Sarah Will and Cato Zahl Pedersen are both multiple gold medal Paralympians neither of who are able to use their legs. In spite of Will's paralysis below the waste during a skiing accident and Pedersen's missing legs, amputated during childhood, both of them excel in the skiing events to a degree on par with many able-bodied athletes.
As the 21st Century continues to unfold, it is certain that technological improvements will keep pushing against the definitions of fair competition until perhaps one day the very foundations of sport will take on a character which we today would barely recognize. All hail the brave new world!
About the Author
Written by Paul Wise, who wears a
prosthetic
limb and, recommends RollingABlog.com for more reading on the subject and
prosthetics
in general.
Thanks for visiting!
Filed under Medical Mobility & Disability Equipment by on Nov 27th, 2010. 
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