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Check Ebay for Knee Prosthetic products.
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 OTTO BOCK ABOVE KNEE Titan Prosthetic RIGHT Leg STUMP SOCKET WALKING SUPPORT  US $99.00
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 Otto Bock Prosthetic Left Leg Includes Foot Titan Below Knee 2R31 Fast Free Ship US $297.50
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 right above the knee prosthetic leg brown 2005 custom made US $2,500.00
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 Otto Bock prosthetic leg includes knee left foot US $495.00
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 ULTIMATE KNEE HYDRAULIC PROSTHETIC KNEE STANCE LOCKING US $76.00
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 Ossur Mauch Hydraulic Prosthetic Knee SNS Knee Control System US $950.00
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 Medipro Prosthetic limb Pneumatic knee joint polycentric German made Quality US $650.00
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 Teh Lin Four Bar Prosthetic Knee Unit Graph Lite System US $225.00
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 Bare bone carbon fiber socket kit 4 prosthetic leg knee US $199.00
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 Trulife Seattle Select Prosthetic Knee Unit w Adjustable Flexion Extension US $175.00
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 Graph Lite Auto Pilot Prosthetic Knee Unit Teh Lin Five Bar US $300.00
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 New medi OFM1 Prosthetic Knee Unit w Adjustable Stance Flexion US $395.00
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 TEH LIN 4P00 prosthetic 4 bar knee leg prosthesis barely used top condition US $229.00
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 Ossur Mauch hydraulic Prosthetic Leg knee component Used 2007 US $975.00
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 Prosthetic leg knee foot socket book kit 4 new parts US $49.95
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 Below Knee Amputee prosthetic leg shower protector US $19.95
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 Truelife prosthetic below knee leg US $350.00
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 OSSUR CARBON FIBER PROSTHETIC RIGHT LEG BELOW KNEE CARBON TALUX FOOT US $399.00
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 Titanium prosthetic knee US $45.00
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 K2 SENSATION TITANIUM LOW ACTIVITY FLEX FOOT BELOW KNEE PROSTHETIC LEFT LEG SOCK US $175.00
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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.
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Filed under Medical Mobility & Disability Equipment by on Nov 27th, 2010. Comment. 