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The Cheetah Leg: Innovations and Controversies in Olympic Amputation Technology

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This article explores the advancements and debates surrounding the Cheetah leg prosthetic, notably worn by Oscar Pistorius, a transtibial amputee and Olympic sprinter. It delves into the biomechanics of the carbon fiber design, its energy-storing capabilities, and how it enables a running motion akin to that of able-bodied athletes. The discussion includes comparisons between walking and running, stress points, and the specific use of the prosthetic in competitive sports. The article also examines the implications of using such technology in the Olympics and the associated costs.

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The Cheetah Leg: Innovations and Controversies in Olympic Amputation Technology

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  1. The Cheetah Brooke McCarthy BME 281 Fall 2011

  2. In the News • Oscar Pistorius “Blade Runner” • Transtibial amputation • IAFF • Court of Arbitration • Olympics 2012

  3. Product • Carbon fiber • J shape • No heel • Amputations • Attachment • Weight • Cost

  4. Biomechanics • Cheetah leg • Stress points • Walking vs. running

  5. IAAF • Energy • Vertical Motion • Mechanical Work • Ossur: stored energy

  6. Pros and Cons • Light weight • User friendly • Close to a normal run • Cost • Controversial • Only for running

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