Determining the In-Vivo Areas of Contact in the Canine Shoulder

[+] Author and Article Information
P. K. Scherrer, B. M. Hillberry

School of Mechanical Engineering, Purdue University, West Lafayette, Ind. 47907

D. C. Van Sickle

Department of Anatomy, School of Veterinary Medicine, Purdue University, West Lafayette, Ind. 47907

J Biomech Eng 101(4), 271-278 (Nov 01, 1979) (8 pages) doi:10.1115/1.3426257 History: Received March 26, 1979; Online October 21, 2010


The mathematical representation of the articular surfaces of anatomical joints can be obtained in a piecewise continuous fashion using parametric surface patches. The relative position of the anatomical bodies containing the articular surfaces can be measured with an instrumented spatial linkage. By combining the relative position data with the mathematical representations, the approximate area of contact between the articular surfaces can be determined. In this paper, the procedure for combining motion data with surface contour data is described, and in-vivo areas of contact in the canine shoulder for a normal test subject are presented.

Copyright © 1979 by ASME
Topics: Motion , Linkages
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