Why is jonnie peacock an amputee

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Necessary Necessary. Functional functional. Performance and Analytics analytics. Non-necessary non-necessary. Advertisement advertisement. Other other. When the load is released, the blade releases some of that energy, assisting with the running motion of the athlete. When Jonnie pushes himself into the socket, air comes out of a one-way valve that then seals it around his knee — connecting him to the prosthesis.

Close up of a carbon fibre blade used for Paralympian racing Museum of Engineering Innovation. Underneath the socket is the carbon fibre blade, which is the composite part of the prosthetic, which bends and is tailored exactly to his weight, activity level and balance. A composite is a combination of elements. Engineers ensure the composite spring is stiff where it needs to be and strong or flexible where it needs to bend.

Close up of carbon fibre blades used by Paralympians Museum of Engineering Innovation. In the six days running up to the Olympics Jonnie called on his team, which included biomedical engineers, to constantly make small tweaks to the height and angle of his blade in relation to his socket. This ensured the fit was perfected ahead of the most important race of his life. Gudfinna Halldorsdottir, biomedical engineer, developing cutting-edge prosthetic limbs Museum of Engineering Innovation.

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How does Peacock compare his mood now to this time four years ago? In March I had just started full-time training. Six months before that I was just doing three days a week. So I was soaking it all up. Now I know a lot more about it. Did he harbour any expectations of winning gold in ? Not at all. I thought perhaps a medal. But I started competing and each race got faster and faster and then I went to America and set the world record at the time.

That blew me away. It was crazy. Peacock was a star at the Paralympics. He lapped up the fact that 80, people chanted his name in unison and that he upstaged Pistorius. The South African is likely to be in prison for the next 15 years after being found guilty of murdering his girlfriend Reeva Steenkamp in February But our thoughts now are mainly with her family.

He once liked and respected Pistorius. In he talked to me a lot. This is your time.