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Tibiotalar cartilage stress corresponds to T2 mapping: application to barefoot running in novice and marathon-experienced runners

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  • Hyun Kyung Kim
  • Ali Mirjalili
  • Anthony Doyle
  • Justin Fernandez

Abstract

A 3D anatomically-based finite-element foot model was adopted for predicting von Mises stresses within tibiotalar cartilage following 5 km barefoot running. To compare this predicted stress with T2 maps, magnetic resonance scans of the right ankle and plantar pressure were obtained from ten novices and ten marathon-experienced runners before and after running. Following running, tibiotalar cartilage stress was decreased in experienced runners. This corresponded with T2 values that did not change between pre- and post-running suggesting no increase in cartilage fluid levels. In contrast, novices maintained the same level of von Mises stress and this corresponded with a significant T2 increase in tibiotalar cartilage.

Suggested Citation

  • Hyun Kyung Kim & Ali Mirjalili & Anthony Doyle & Justin Fernandez, 2019. "Tibiotalar cartilage stress corresponds to T2 mapping: application to barefoot running in novice and marathon-experienced runners," Computer Methods in Biomechanics and Biomedical Engineering, Taylor & Francis Journals, vol. 22(14), pages 1153-1161, October.
    • Handle: RePEc:taf:gcmbxx:v:22:y:2019:i:14:p:1153-1161
    DOI: 10.1080/10255842.2019.1645133
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