Simulation of ankle joint kinematics in sagittal plane using passive imaging data – a pilot study

Dinesh Gundapaneni, James T. Tsatalis, Richard T. Laughlin, Tarun Goswami

Research output: Contribution to journalArticleResearchpeer-review

Abstract

Purpose: The purpose of this pilot study was to determine the radius of curvature of the tibia and talus, and to deduce ankle joint kinematics in the sagittal plane using passive imaging data. Methods: Imaging data of four subjects under passive conditions was used. Ligament positions were marked using MRI data to subscribe the four-bar linkage (FBL) mechanism at the ankle joint. Flexion motion of the assembly construct was simulated in the sagittal plane to determine the contact points on the tibial and talar dome surfaces. The radius of curvature was determined by fitting the contact points with a circle fit. Results: In addition to articular surfaces, calcaneofibular and tibiocalcaneal ligaments in the FBL play an important role in affecting the path of ankle joint motion. Two different linkage arrangements between the ligaments were observed in this study. The double-crank type arrangement by these ligaments generated the same contact path on the articular surface during dorsi- and plantarflexion, whereas the triple-rocker arrangement resulted in different paths. Conclusion: A higher order compliant mechanism, which includes additional ankle ligaments, needs to be developed and studied under load bearing conditions to achieve more accurate results.

LanguageEnglish
Pages1-13
Number of pages13
JournalComputer Methods in Biomechanics and Biomedical Engineering: Imaging & Visualization
DOIs
StatusPublished - 18 May 2018

Fingerprint

Ankle Joint
Ligaments
Biomechanical Phenomena
Kinematics
Imaging techniques
Point contacts
Joints
Ankle Lateral Ligament
Talus
Bearings (structural)
Compliant mechanisms
Weight-Bearing
Tibia
Ankle
Domes
Magnetic resonance imaging

Keywords

  • Articulation
  • ligaments
  • linkage
  • radius of curvature

ASJC Scopus subject areas

  • Computational Mechanics
  • Biomedical Engineering
  • Radiology Nuclear Medicine and imaging
  • Computer Science Applications

Cite this

Simulation of ankle joint kinematics in sagittal plane using passive imaging data – a pilot study. / Gundapaneni, Dinesh; Tsatalis, James T.; Laughlin, Richard T.; Goswami, Tarun.

In: Computer Methods in Biomechanics and Biomedical Engineering: Imaging & Visualization, 18.05.2018, p. 1-13.

Research output: Contribution to journalArticleResearchpeer-review

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