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  1. #1
    Join Date
    Dec 2015
    Wilton Street Glasgow

    leg stiffness during gait

    It has been shown that humans adjust leg stiffness during running to accommodate to varying surface hardnesses and so maintain a consistent gait pattern . The foot ,of course , is an integrated part of this system but recent evidence (ref below Kelly et al 2014 ) suggests that the foot is not only part of a whole leg stiffness system but also has a closed tissue stress controlling system of its own .

    In the paper mentioned , Kelly appears to shown that in seated subjects loading of the tissues of the foot (and in my view most likely loading of the plantar fascia ) produces an increasing amount of activity in the plantar intrinsics indicating a closed systems involving the plantar fascia and the intrinsic ,arch supporting muscles .

    Thus , foot stiffness and leg stiffness can be controlled separately with the plantar fascia acting as a strain gauge in the case of the foot . Perhaps orthotics should be looked at from the perspective not only of how they affect the whole but also how they affect the systems within the foot .

    Intrinsic foot muscles have the capacity to control deformation of the ...

    by LA Kelly - ‎2014 - ‎Cited by 65 - ‎Related articles
    8 Jan 2014 - The plantar intrinsic foot muscles possess origins and insertions that are ..... In this study, we have extended the findings of Kelly et al. [18] by ...
    Last edited by Gerrard Farrell; 07-25-2018 at 02:11 PM.

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