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Estimation of ACL Forces Utilizing a Novel Non-Invasive Methodology That Reproduces Knee Kinematics Between Sets of Knees

[+] Author Affiliations
Shon P. Darcy, Robert H. P. Kilger, Savio L.-Y. Woo, Richard E. Debski

University of Pittsburgh, Pittsburgh, PA

Paper No. IMECE2003-43090, pp. 237-238; 2 pages
doi:10.1115/IMECE2003-43090
From:
  • ASME 2003 International Mechanical Engineering Congress and Exposition
  • Advances in Bioengineering
  • Washington, DC, USA, November 15–21, 2003
  • Conference Sponsors: Bioengineering Division
  • ISBN: 0-7918-3710-6 | eISBN: 0-7918-4663-6, 0-7918-4664-4, 0-7918-4665-2
  • Copyright © 2003 by ASME

abstract

A non-invasive, non-contact methodology to estimate forces in the anterior cruciate ligament (ACL) in response to in vivo knee kinematics will allow surgical procedures and rehabilitation protocols for ACL injuries to be improved. During the last decade, intensive efforts have been made to quantify the forces in the ACL in vivo (Holden, 1994; Lundberg, 1997; Zacharias, 2001). With the use of these methods, valuable information on the forces experienced by the ACL has been obtained, however many of these methods were invasive, and involved direct contact with the ACL, which may affect the force measurements. It has been proposed at our research center that the forces in the ACL during activities of daily living and rehabilitation exercises can be estimated in a non-contact, non-invasive manner by reproducing in vivo kinematics in 6-degrees of freedom (DOF) on a cadaveric knee. Therefore, the specific aim of this study was to evaluate the feasibility of a non-invasive, non-contact methodology for estimating force in the ACL by reproducing average kinematics in 6-DOF degrees of freedom from one set of porcine knees (source) onto a separate set of porcine knees (target).

Copyright © 2003 by ASME

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