Biomechanical Modeling of Knee for Specific Patients with Chronic Anterior Cruciate Ligament Injury

Nenad Filipović1, 2, Velibor Isailovic1, 2, Dalibor Nikolic1, 2, Aleksandar Peulic3, Nikola Mijailovic1, 2, Suzana Petrovic1, Sasa Cukovic1, Radun Vulovic1, 2, Aleksandar Matic3, Nebojsa Zdravkovic3, Goran Devedzic1 and Branko Ristic3

  1. Faculty of Engineering, University of Kragujevac
    Sestre Janjica 6, 34000 Kragujevac, Serbia
  2. Bioengineering Research and Development Center
    Prvoslava Stojanovica 6, 34000 Kragujevac, Serbia
  3. Technical Faculty
    32000 Cacak, Serbia
  4. Medical Faculty, University of Kragujevac
    Svetozara Markovica 69, 34000 Kragujevac, Serbia


In this study we modeled a patient specific 3D knee after anterior cruicate ligament (ACL) reconstruction. The purpose of the ACL reconstruction is to achieve stability in the entire range of motion of the knee and the establishment of the normal gait pattern. We present a new reconstruction technique that generates patient-specific 3D knee models from patient’s magnetic resonant images (MRIs). The motion of the ACL reconstruction patients is measured by OptiTrack system with six infrared cameras. Finite element model of bones, cartilage and meniscus is used for determination stress and strain distribution at different body postures during gait analysis. It was observed that the maximum effective von Mises stress distribution up to 8 MPa occurred during 30% of the gait cycle on the meniscus. The biomechanical model of the knee joint during gait analysis can provide insight into the underlying mechanisms of knee function after ACL reconstruction.

Key words

ACL reconstruction, knee motion, gait analysis, biomechanical finite element modeling

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Publication information

Volume 10, Issue 1 (Januar 2013)
Year of Publication: 2013
ISSN: 1820-0214 (Print) 2406-1018 (Online)
Publisher: ComSIS Consortium

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Filipović, N., Isailovic, V., Nikolic, D., Peulic, A., Mijailovic, N., Petrovic, S., Cukovic, S., Vulovic, R., Matic, A., Zdravkovic, N., Devedzic, G., Ristic, B.: Biomechanical Modeling of Knee for Specific Patients with Chronic Anterior Cruciate Ligament Injury. Computer Science and Information Systems, Vol. 10, No. 1, 525-545. (2013),