NDLI: Computer simulation of knee arthrometry to study the effects of partial ACL injury and tibiofemoral contact

Content Provider	IEEE Xplore Digital Library
Author	Rahemi, Hadi Farahmand, Farzam Rezaeian, Tahmineh Parnianpour, Mohammad
Copyright Year	2008
Description	Author affiliation: Biomechanics Section, Sharif University of Technology, & Surgical Robotics Lab, RCSTIM, Medical Sciences/University of Tehran, Iran (Farahmand, Farzam) \|\| School of Mechanical Engineering, Sharif University of Technology, Tehran, Iran (Rahemi, Hadi; Parnianpour, Mohammad) \|\| Surgical Robotics Lab, RCSTIM, Medical Sciences/University of Tehran, Iran (Rezaeian, Tahmineh)
Abstract	We simulated the knee arthrometry test to obtain a deeper understanding of the joint's stability behavior and interpret the arthrometric results more effectively. A 2D sagittal plane finite element model of the lower limb in the standard configuration of knee arthrometry was developed using ANSYS APDL. A detailed model of the knee joint was considered including the femoral articulating contour represented by an ellipse, the tibial plateau represented by a circular arc, and four major knee ligaments and their individual bundles represented by linear and nonlinear tensile springs. A deformable layer of articular cartilage was also considered over the tibial plateau to simulate the bones engagement more precisely. The model was analyzed while the tibia was subjected to an anterior drawer force of up to 150 N with 10 N increments and the tibial anterior translation was obtained. Simulation of the arthrometry test for different curvatures of the tibial plateau revealed that the bones engagement has a considerable effect on the knee joint's laxity. However, a considerable change from the intact knee's data curve was only observed when the ACL total ruptured was simulated. This emphasizes the difficult task involved when trying to distinguish the partial injuries of the ACL using arthrometric data.
Starting Page	895
Ending Page	898
File Size	319063
Page Count	4
File Format	PDF
ISBN	9781424418145
ISSN	1557170X
DOI	10.1109/IEMBS.2008.4649298
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2008-08-20
Publisher Place	Canada
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Content Type	Text
Resource Type	Article
Subject	Signal Processing Biomedical Engineering Health Informatics Computer Vision and Pattern Recognition

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