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Normalized foot shape and measurements

Discussion in 'Biomechanics, Sports and Foot orthoses' started by JTValls, Dec 8, 2017.

  1. JTValls

    JTValls Active Member


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    Dear Friends:

    I need help. I am trying to look for standardized measurements of the distances between the different structures of the foot in each footwear size(for example the heel edge with the metatarsal heads) to be able to design patterns of retrocapital frames around these measurements to then compare its effect with respect to those performed around the patient's positive cast.

    I suppose footwear companies design the insoles of their shoes around standardized measures. But I can not find any place where they are.

    Does anyone have this information?
    Thank you
     
  2. Craig Payne

    Craig Payne Moderator

    Articles:
    6
    I not aware of any - you see the occasional study on specific populations, but nothing of any real use.

    What most companies use is proprietary from their own work.
     
  3. Rob Kidd

    Rob Kidd Well-Known Member

    Try Anette Telmo Thompson in South Africa. If it is anywhere, she will know where to point you. I marked her Masters thesis a few years ago. If you cannot find her, trawl my facebook page and tell her that I sent you. Rob
     
  4. JTValls

    JTValls Active Member

    Hello, thanks for the replies
    I have been looking for patents or standards but there is no such thing in particular ... The point is that knowing the size, there must be some formula to locate heads and from there draw a retrocapital pattern, do not you think?
    We usually do not use polypropylene, where I live, we made patterns according to anatomical points. The idea is to standardize that by using of preformed and pre-cutted patterns. do you recommend me some way of doing it??

    Thanks!
     
  5. efuller

    efuller MVP

    I'm not sure that everyone has the same ratios. I've never measured it, but the Brannock device has the capability to measure size of the foot at the ball as well as length. You could create a formula, but it might be wrong a significant portion of the time.
     
  6. Rob Kidd

    Rob Kidd Well-Known Member

    Sorry to be blunt, but I am quite sure we do not share the same ratios. Human variation is subtle, at least compared to hominoid variation, but it is there, and broadly comes in three varieties. 1) functional differences - eg adaptations due to the squatting habit, 2) genetic differences - argue all day on these, and 3) sexual dimorphism - which once you climb out of the pelvis, have little, if nothing, to do with sex. By way of example, I have attached some work we did a few years ago - but it did make us think. Rob
     

    Attached Files:

  7. footplant

    footplant Active Member

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