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Finite Element Predictions of Cartilage Mechanics in Normal Hips

[+] Author Affiliations
Michael D. Harris, Andrew E. Anderson, Benjamin J. Ellis, Steve A. Maas, Sarang C. Joshi, Christopher L. Peters, Jeffrey A. Weiss

University of Utah, Salt Lake City, UT

Joan A. Glaunes

Université Paris Descartes, Paris, France

Paper No. SBC2009-206487, pp. 285-286; 2 pages
doi:10.1115/SBC2009-206487
From:
  • ASME 2009 Summer Bioengineering Conference
  • ASME 2009 Summer Bioengineering Conference, Parts A and B
  • Lake Tahoe, California, USA, June 17–21, 2009
  • Conference Sponsors: Bioengineering Division
  • ISBN: 978-0-7918-4891-3
  • Copyright © 2009 by ASME

abstract

Abnormal loading of hip joint articular cartilage is thought to be the primary cause of hip osteoarthritis (OA). This can occur due to anatomical pathologies such as dysplasia and femoroacetabular impingement (FAI). Computational methods (e.g., the finite element (FE) method) may be able to predict patient-specific cartilage mechanics using non- or minimally invasive methods. We have shown that a subject-specific finite element model can predict contact pressures that agree well with experimental data [1]. As a necessary precursor to analyzing the contact mechanics of pathological hips, the objective of this study was to quantify variations in the magnitude and spatial distribution of cartilage contact pressures in normal hips using FE models of human volunteers with no history of hip disease.

Copyright © 2009 by ASME

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