There is a chapter in Sport injuries (diagnosis and management) by
Chtistopher M Norris
published by Butterworth & Heineman (ISBN 0-7506-2873-1)

it's well worth a read with some good ref's there in

As a ultra-distance runner (races greater than marthon distance genrally
50k and 100k)
I tend to use race shoes that last more than 500 miles (but this is
because I use them to train in after racing)
but my faster fellow runners say their road flats will last around 2
seasons (much less than 500 miles and are of no use for training)

In the club we use to feel that a good trainning shoe gave upto 1000
Miles (depending on the runners syle and weight)
But since the introduction of "air" pockets into most shoes we tend to
find that we get punchers! (tends to be glass etc on the roads) which
makes the shoes unuseable  as they just collaspe on heel strike


BFN
Stephen Mason
Clinical Scientist
Dept Radiotherapy
Ninewells Hospital
01382 632315

----- Original Message -----
From: Richard Maher <[log in to unmask]>
Date: Tuesday, September 4, 2001 10:12 am
Subject: athletic shoe - only fit for 500 miles

> My name is Richard Maher. I am a student at Hull University ( B Eng
> Mechanical Engineering.) My final year project is entitled
> "athletic shoe
> only fit for 500 miles."
>
> I plan to research the degree of fatigue caused with different
> materialsused on the underside of the shoe. I would like to
> compare how fatigue
> develops on the sole for different types of sports as well.
>
> I am also interested in the injuries caused by ill fitting or badly
> designed trainers, especially knee or ankle injuries. I would like the
> project to be as thorough as possible, so any information sent at
> all to do
> with running and my project would be appreciated.
>