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RESEARCH PAPERS

An Apparatus for Measuring the Load-Displacement and Load-Dependent Kinematic Characteristics of Articulating Joints—Application to the Human Ankle Joint

[+] Author and Article Information
J. Rastegar

Department of General Engineering and Bioengineering, University of Illinois at Urbana-Champaign, Urbana, Ill. 61801

N. Miller

Department of Mechanical and Industrial Engineering and Bioengineering, University of Illinois at Urbana-Champaign, Urbana, Ill. 61801

R. Barmada

Department of Orthopaedic Surgery, University of Illinois Medical School, Chicago, Ill. 60612

J Biomech Eng 102(3), 208-213 (Aug 01, 1980) (6 pages) doi:10.1115/1.3149575 History: Received May 14, 1979; Revised September 01, 1979; Online June 15, 2009

Abstract

An apparatus is described which is capable of measuring the load-displacement characteristics as well as determining the loci of centers of rotation of articulating joints. The apparatus employs a floating head which permits the axis of rotation to coincide with the position of minimum joint resistance, thus eliminating non-physiological rotations at the joint. The coupled loads are also measured, thus providing an accurate description of the joint structural characteristics. Data taken from a freshly amputated human ankle joint is presented.

Copyright © 1980 by ASME
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