Tension-Torsion Characteristics of the Canine Anterior Cruciate Ligament—Part I: Theoretical Framework

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

Department of Aerospace Engineering and Applied Mechanics, University of Cincinnati, Cincinnati, Ohio 45267

D. L. Butler

Department of Orthopaedic Surgery, University of Cincinnati, Cincinnati, Ohio 45267

J Biomech Eng 105(2), 154-159 (May 01, 1983) (6 pages) doi:10.1115/1.3138399 History: Received June 21, 1982; Revised December 16, 1982; Online June 15, 2009


It has been observed that the fascicles in the canine anterior cruciate ligament do not follow a straight line path between the tibial and femoral attachment sites, but rather their path is approximately helical about the ligament axis. Thus, a mathematical model for the mechanical response of a ligament was developed from the observed geometrical configuration of the fascicle. The principal result of the model indicated that a torque must always accompany the force during elongation of a ligament. The relationships between the ligament and fascicle variables are also examined in detail.

Copyright © 1983 by ASME
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