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RESEARCH PAPERS

The Relationship Between Crimp Pattern and Mechanical Response of Human Patellar Tendon-Bone Units

[+] Author and Article Information
D. C. Stouffer, D. Hosny

Department of Aerospace Engineering and Engineering Mechanics, University of Cincinnati, Cincinnati, Ohio 45221

D. L. Butler

Departments of Aerospace Engineering and Engineering Mechanics and Orthopaedic Surgery, University of Cincinnati, Cincinnati, Ohio 45221

J Biomech Eng 107(2), 158-165 (May 01, 1985) (8 pages) doi:10.1115/1.3138536 History: Received April 11, 1984; Revised February 08, 1985; Online June 15, 2009

Abstract

The objectives of this study are twofold. First, to further develop the understanding of the relationship between the observed mechanical response and changes in the crimp pattern in human patellar tendon bone units. This is accomplished through the use of a specially constructed test frame and microscope system that permits observation and measurement of the crimp patterns as a function of load. Second, the results of the experimental study are used to develop a constitutive equation that includes spatial variation in the crimp pattern. The results of both the experimental and analytical study imply that local strain in the proximity of the attachment site is significantly larger than the strain in the central region of the tendon. The experimental and histological results are for specimens taken from four human bone-patellar tendon-bone units.

Copyright © 1985 by ASME
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