David,
I agree but would go one stage further. I believe that analysis on hard, flat and LEVEL surfaces will always limit our degree of insight. I have, therefore, tried to initiate a move towards analysis on surfaces inclined in the frontal plane (sideslopes). I am continuing this approach primarily because it allows controlled manipulation of one important variable - rearfoot inversion/eversion. I have published a preliminary report - Redistribution of foot pressure with sideslope walking. Urry SR Foot Ankle Int 2002, Dec 23, 12, 1112-1118.
I hope this may be of some interest.
Regards,
Steve
>In these interesting discussions I can't help but come back to one simple fact - we test gait in the lab on a hard flat surface.
>It becomes very difficult to reconcile any measurements with normative data if we accept that hard flat surfaces are only one of the surfaces we have been designed to ambulate on (although I accept that we ambulate on an approximation of hard and flat for perhaps 90% of the time).
>Regards,
>David H ---
Stephen Urry PhD
Lecturer
School of Public Health
Queensland University of Technology
Brisbane
4059
Australia
CRICOS No 00213J
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