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Effects of orthotics on high and low arched feet

Discussion in 'Biomechanics, Sports and Foot orthoses' started by NewsBot, Sep 2, 2008.

  1. NewsBot

    NewsBot The Admin that posts the news.

    Articles:
    1

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    A comparison of semi-custom and custom foot orthotic devices in high- and low-arched individuals during walking
    Rebecca Avrin Zifchock, Irene Davis
    Clinical Biomechanics (Articles in Press)
     
  2. David Smith

    David Smith Well-Known Member

    How many times are people going to keep making useless comparisons and statistical analysis of interventions to prove how well the do or don't work?

    If I like coffee flavoured sweets and I read statistical data that most people like strawberry flavour sweets it still doesn't make me dislike coffee flavour or like strawbwerry falvour more.

    And the same for orthoses, you can statistically analyse how well a certain orthosis design works for a group or population of people but that will not give you any idea about how that design will work for your individual patient.

    If you have a treatment protocol that says everybody that has to much pronation is dysfunctional therefore retarding that motion will improve function then fair enough you can keep prescribing any orthosis that research shows reduces pronation as well as any other orthosis design.

    This can be great for large organisations that only care about paperwork, statistics and want to be seen to be using evidence based medicine at all costs. (where evidence means documentable, repeatable and statistically supported outcomes) This however, in my opinion, is not how we should apply our biomechanical knowledge. I believe in individual interventions for individuals.

    Dave Smith
     
  3. Craig Payne

    Craig Payne Moderator

    Articles:
    8
    Couldn't agree more!

    That why we did this study:
    Despite its limitations, its one study I quite proud of as it was the first to actually look at that statisical change the orthotic made to the foot (which is what a lot of other studies did) and then compare that change to the change in symptoms (which no one else had done).
     
  4. David Smith

    David Smith Well-Known Member

    Craig


    From your paper

    Yes this is far more relevant and indicative of the futility of trying to correlate kinematic changes in a population with symptom relief in a particular person in that population.

    I believe that, in terms of intervention design for the purpose of reduction of pathology, logical reasoning, ie deductive logic, is more useful than solely relying on statistical analysis of inductive reasoning from observational data.

    Empirical data gathered from individuals are always confounded by the unfathomable variables that exist within the individual. Without control of these variables how can it be valid to make a universal statement reasoned from a few singular observations and then reverse that logic by applying the universal statement to a singular individual when that individual may contain all or none of the variables not accounted for but none the less, influential in the intial observation.

    Is it just me :empathy:

    LoL Dave
     
  5. NewsBot

    NewsBot The Admin that posts the news.

    Articles:
    1
    Effect of foot orthoses on magnitude and timing of rearfoot and tibial motions, ground reaction force and knee moment during running.
    Eslami M, Begon M, Hinse S, Sadeghi H, Popov P, Allard P.
    J Sci Med Sport. 2008 Sep 1. [Epub ahead of print]
     
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