In-vivo analysis of ankle joint movement for patient-specific kinematic characterization.

C. Ferraresi, C De Benedictis, W Franco, D Maffiodo, Alberto Leardini

Research output: Contribution to journalArticle


n this article, a method for the experimental in-vivo characterization of the ankle kinematics is proposed. The method is meant to improve personalization of various ankle joint treatments, such as surgical decision-making or design and application of an orthosis, possibly to increase their effectiveness. This characterization in fact would make the treatments more compatible with the specific patient's joint physiological conditions. This article describes the experimental procedure and the analytical method adopted, based on the instantaneous and mean helical axis theories. The results obtained in this experimental analysis reveal that more accurate techniques are necessary for a robust in-vivo assessment of the tibio-talar axis of rotation.
Original languageEnglish
Pages (from-to)831-838
Number of pages8
JournalProceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science
Issue number9
Publication statusPublished - May 1 2017


  • In-vivo kinematic analysis
  • ankle joint kinematics
  • ankle treatments
  • customized orthosis
  • instantaneous helical axis
  • mean helical axis

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