Hi all, Lee wrote to Kevin M.
>Kevin M,
>For general practice it would be more of an issue of time and marrying
>technologies (the main cost would be the FEA software). It wouldn't really
>be an issue for a university to collaborate on an FEA project with a
>software company. Any relatively new pc can run the software. A collegue
>of mine has Ansys on his 2.4Ghz pentium machine and runs it alongside
>other applications. So we've got the power, but we need the tool. I don't
>profess to be a major authority on FEA, I'm just an interested pod.
>Getting back to the issue I raised before and taking your comments on
>board, an FEA model would need to be based on real measurements of stress,
>shape, movement, general material properties, etc.. of all foot
>structures. It may be possible to develop an individual model based on a
>single 'real-world' foot, but like all other models, an approximation at a
>'normal' foot would take many more trials.
>Respectfully,
>Lee
We don't need the perfect model, clinically we need the model that is good
enough to tell us what to do. If we see a patient with sinus tarsi
syndrome and our model tells us that pronation moment causes sinus tarsi
syndrome and then we add a treatment that reduces pronation moment and the
pain goes away, then we will be happy. We don't need to calculate the
magnitude of force in the floor of the sinus tarsi to make the pain go away.
Cheers,
Eric Fuller
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