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Proceedings Paper

Stereophotogrammetrie Mass Distribution Parameter Determination Of The Lower Body Segments For Use In Gait Analysis
Author(s): D. B. Sheffer; A. R. Schaer; J. U. Baumann
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Paper Abstract

Inclusion of mass distribution information in biomechanical analysis of motion is a requirement for the accurate calculation of external moments and forces acting on the segmental joints during locomotion. Regression equations produced from a variety of photogrammetric, anthropometric and cadaeveric studies have been developed and espoused in literature. Because of limitations in the accuracy of predicted inertial properties based on the application of regression equation developed on one population and then applied on a different study population, the employment of a measurement technique that accurately defines the shape of each individual subject measured is desirable. This individual data acquisition method is especially needed when analyzing the gait of subjects with large differences in their extremity geo-metry from those considered "normal", or who may possess gross asymmetries in shape in their own contralateral limbs. This study presents the photogrammetric acquisition and data analysis methodology used to assess the inertial tensors of two groups of subjects, one with spastic diplegic cerebral palsy and the other considered normal.

Paper Details

Date Published: 14 April 1989
PDF: 9 pages
Proc. SPIE 1030, Biostereometrics '88, (14 April 1989); doi: 10.1117/12.950490
Show Author Affiliations
D. B. Sheffer, The University of Akron (United States)
A. R. Schaer, Motion Analysis Laboratory (Switzerland)
J. U. Baumann, Motion Analysis Laboratory (Switzerland)

Published in SPIE Proceedings Vol. 1030:
Biostereometrics '88
Juerg U. Baumann; Robin E. Herron, Editor(s)

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