Dear Marie
<I have an orthotic patient who is planning to walk to the North Pole next
> year.
> I need to know the most suitable material to use for his Arctic boot
> orthoses.>
Presumably there isn't a handy footpath all the way to the north pole. What
I'm thinking is, on the type of terrain he will be walking on will orthoses
be of any functional use. If you take the view that the aetiology of
biomechanical dysfunction, (of the type that can be corrected / treated by
using foot orthoses), is continually walking on hard flat ground.
If your customer has always used orthoses and feels the need for them why
not use bespoke EVA devices which at least will give the advantage of
greater foot comfort and insulation.
Cheers Dave Smith
----- Original Message -----
From: "Maire Murphy" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Thursday, September 09, 2004 8:07 PM
Subject: Suitability of orthotic materials in extreme cold
> A question for Jeff Root, Ray Anthony and anyone else who might know;
>
> I have an orthotic patient who is planning to walk to the North Pole next
> year.
> I need to know the most suitable material to use for his Arctic boot
> orthoses.
> The likely air temperature will be -40C most of the time. Will
Polypropylene
> become
> brittle at these low temperatures?
>
> Maire Murphy
> [log in to unmask]
>
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