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Michael Hales
08-07-2002, 07:20 AM
Hello
I am a doctoral student currently working on my dissertation. My research
topic is three-dimensional reaction forces and muscle moments occurring at
the shoulder joint during wheelchair propulsion over different types of
terrain. I have been unsuccessful in my attempts at writing a
three-dimensional inverse dynamic model computer program. I do have the
means of directly measuring three-dimensional reaction forces and moments at
the pushrim. The particular model I have selected to incorporate into my
study was developed by Vrongistinos (2001). It is similar to Dr. Cooper's
model but incorporates certain equations from Wittenburg (1977). The
inertial data will be calculated according to Winter (1990). What are some
other inverse dynamic models that might serve my purpose? Are there any
three-dimensional inverse dynamic computer programs available?
downloadable?

Any information and/or computer program shared with me will be used solely
by me to complete my research project. No information and/or computer
program will be used for profit in any manner. Any assistance in this
matter would be greatly appreciated.

Sincerely,

Michael Hales
Georgia State University
Biomechanics and Ergonomics Lab
mphales@bellsouth.net

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