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Modelling the complexity of the foot and ankle during human locomotion: the development and validation of a multi-segment foot model using biplanar videoradiography

Author

Listed:
  • Jayishni N. Maharaj
  • Michael J. Rainbow
  • Andrew G. Cresswell
  • Sarah Kessler
  • Nicolai Konow
  • Dominic Gehring
  • Glen A. Lichtwark

Abstract

We developed and validated a multi-segment foot and ankle model for human walking and running. The model has 6-segments, and 7 degrees of freedom; motion between foot segments were constrained with a single oblique axis to enable triplanar motion [Joint Constrained (JC) model]. The accuracy of the JC model and that of a conventional model using a 6 degrees of freedom approach were assessed by comparison to segment motion determined with biplanar videoradiography. Compared to the 6-DoF model, our JC model demonstrated significantly smaller RMS differences [JC: 2.19° (1.43–2.73); 6-DoF: 3.25° (1.37–5.89)] across walking and running. The JC model is thus capable of more accurate musculoskeletal analyses and is also well suited for predictive simulations.

Suggested Citation

  • Jayishni N. Maharaj & Michael J. Rainbow & Andrew G. Cresswell & Sarah Kessler & Nicolai Konow & Dominic Gehring & Glen A. Lichtwark, 2022. "Modelling the complexity of the foot and ankle during human locomotion: the development and validation of a multi-segment foot model using biplanar videoradiography," Computer Methods in Biomechanics and Biomedical Engineering, Taylor & Francis Journals, vol. 25(5), pages 554-565, April.
    • Handle: RePEc:taf:gcmbxx:v:25:y:2022:i:5:p:554-565
    DOI: 10.1080/10255842.2021.1968844
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