The influence and biomechanical role of cartilage split line pattern on tibiofemoral cartilage stress distribution during the stance phase of gait

V.B. Shim, T.F. Besier, David Lloyd, K. Mithraratne, J.F. Fernandez

    Research output: Contribution to journalArticle

    11 Citations (Scopus)

    Abstract

    © 2015, Springer-Verlag Berlin Heidelberg. This study presents an evaluation of the role that cartilage fibre ‘split line’ orientation plays in informing femoral cartilage stress patterns. A two-stage model is presented consisting of a whole knee joint coupled to a tissue-level cartilage model for computational efficiency. The whole joint model may be easily customised to any MRI or CT geometry using free-form deformation. Three ‘split line’ patterns (medial–lateral, anterior–posterior and random) were implemented in a finite element model with constitutive properties referring to this ‘split line’ orientation as a finite element fibre field. The medial–lateral orientation was similar to anatomy and was derived from imaging studies. Model predictions showed that ‘split lines’ are formed along the line of maximum principal strains and may have a biomechanical role of protecting the cartilage by limiting the cartilage deformation to the area of higher cartilage thickness.
    Original languageEnglish
    Pages (from-to)195-204
    JournalBiomechanics and Modeling in Mechanobiology
    Volume15
    Issue number1
    DOIs
    Publication statusPublished - 2016

      Fingerprint

    Cite this