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I read with interest the letters page from this months Podiatry Now and in it a letter from Mr Andy Horwood:
Some cut: "On that note, because it is connected, I will briefly comment on Robert Isaacs' column "post modernism biomechanics" It is great that some discussion on foot function in Podiatry Now is occurring thanks to Mr Isaacs, but I must caution that foot function and biomechanics is not the same thing. Knowledge in biomechanics, the behaviour of tissues under load, is expanding and that influences our understanding of foot function. But there is little debate over biomechanical principles.
The problem we have with foot function is we have never had a scientific theory. By that I mean a model based on all the evidence. Though called theories, these foot function descriptions are all models, because they are unvalidated. Root, Orien and Weed's model was based on limited early 20th century research.
Today there is huge expansion of foot related research and none of that research supports one model. There is no shame in being wrong for the right reasons, as many of the more recent models most certainly are.
Some cut about advertising a course
For anyone confused in thinking that "biomechanics" is fundamentally changing to post-modernism from evidence gathering I recommend you read journals like Gait and Posture, Clinical Biomechanics, Journal of Biomechanics and Applied Biomechanics.
For those wishing to recap on foot function research I strongly recommend you read "Lessons from dynamic cadaver and invasive bone pin studies: do we know how the foot really moves during gait [some cut ref to the Nester's work]
It would be great if in future Mr Isaacs could also consider these journal sources rather than just an internet forum. For then it is easy to understand why some people will show greater eversion excursion of the hindfoot in a certain phase of gait with certain prescriptions when others will not. I wish him good luck with his column"
What say you?
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