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Impact frequency data suggest unique risks for forefoot strikers

Discussion in 'Biomechanics, Sports and Foot orthoses' started by NewsBot, Jul 20, 2011.

  1. NewsBot

    NewsBot The Admin that posts the news.

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    LER are reporting:
    Impact frequency data suggest unique risks for forefoot strikers
    Full story
  2. NewsBot

    NewsBot The Admin that posts the news.

    Here is the abstract from the meeting:
    Frequency Content of the Vertical Ground Reaction Force Component During Rearfoot and Forefoot Running Patterns
    Allison H. Gruber, Irene S. Davis, Joseph Hamill
  3. Admin2

    Admin2 Administrator Staff Member

  4. DaVinci

    DaVinci Well-Known Member

    That kinda make sense.

    Heel strike --> greater impact loads at the heel
    Forefoot strike --> greater loads on achilles and greater forefoot dorsiflexion moments of the forefoot on the rearfoot

    Six of one, half a dozen of the other.
  5. RF running = high frequencies; FF running = low frequencies = zones of optimal leg stiffness = tune the surface to the running style.

    Think guitar strings.
  6. NewsBot

    NewsBot The Admin that posts the news.

    Here is another related report from LER:
    Foot strike patterns do not predict impact loading rates while running
  7. mrc86

    mrc86 Welcome New Poster

    That's quiet interesting. Even though the passive mechanisms undergo greater stress during FF strike, is this level of stress actually injurious? Surely the stress threshold between bone and soft tissue varies under differing loads? Perhaps consideration also needs to be given to the manner in which soft tissue behaves during different strike patterns and whether or not that influences stress threshold i.e. concentric vs eccentric contraction

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