Dear Peter,
This is an area that has been discussed on the Podiatry mailbase at length.
Clinically most podiatrists believe that foot orthoses affect foot function,
though there is no conclusive evidence of how this occurs. There is
currently no way of dynamically measuring foot pronation in a reproducible
way, which makes any study very difficult. There have been studies based on
pain scores, reduced tripping in infants and reduced plantar pressures as a
result of orthoses. Most of these studies have been published in journals
not covered by Medline (Medline covers only about 25% of medical/Health
science journals) such as The Foot
If you search the podiatry mailbase archives at
http://www.mailbase.ac.uk/lists-p-t/podiatry/archive.html
you should find some more
regards
Stephen Tucker
Podiatry Department
St.Vincent's Hospital Melbourne
41 Victoria Pde
Fitzroy, 3065
Australia
Phone :613 9288 3493 Fax : 613 9288 3528
mailto:[log in to unmask]
> ----------
> From: Peter Gladwell[SMTP:[log in to unmask]]
> Reply To: [log in to unmask]
> Sent: Wednesday, 20 January 1999 8:51
> To: [log in to unmask]
> Subject: foot biomechanics
>
> Following on from the interesting discussions regarding foot
> biomechanics of late, I was wondering if anybody has any good
> references which clearly link foot pronation with pathology?
> We are so often told (particularly by people who have insoles to
> sell) that pronation leads to pain, yet it is such a common foot
> position...
> Have there been any randomised controlled trials which
> demonstrate that correction of pronation leads to an improved
> outcome for any conditions?
> The literature abounds with articles about measuring foot
> biomechanics, and about anecdotal reports of beneficial effects of
> modifying biomechanics. Sadly, I couldn't find a single article on
> Medline which supported their use with evidence from a
> randomised controlled trial.
> Regards,
> Peter
>
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