Marathon Runner

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Videos

  • Romney hits 'magic number' for GOP nod

    Romney hits 'magic number' for GOP nod

  • Sanchez: 'I Peaked a Little Too Early on 'Idol'

    Sanchez: 'I Peaked a Little Too Early on 'Idol'

  • Laguna Hills Memorial Day Half Marathon

    Laguna Hills Memorial Day Half Marathon

  • Run for Heroes

    Run for Heroes

  • Hundreds of Women Run in Bend

    Hundreds of Women Run in Bend

  • Local shop helps out cross country runner

    Local shop helps out cross country runner

  • Thousands run in Buffalo Marathon

    Thousands run in Buffalo Marathon

  • 3 Marathon directors reflect on race

    3 Marathon directors reflect on race

Additional Info

via Wikipedia
Running is a means of terrestrial locomotion allowing humans and other animals to move rapidly on foot. It is simply defined in athletics terms as a gait in which at regular points during the running cycle both feet are off the ground. This is in contrast to walking, where one foot is always in contact with the ground, the legs are kept mostly straight and the center of gravity vaults over the legs in an inverted pendulum fashion. A characteristic feature of a running body from the viewpoint of spring-mass mechanics, is that changes in kinetic and potential energy within a stride occur simultaneously, with energy storage accomplished by springy tendons and passive muscle elasticity. The term running can refer to any of a variety of speeds ranging from jogging to sprinting.
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