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Human ankle joint movements during walking are probably not determined by talar morphology.

Wolf, P; Moor, R; Lundberg, A; Nester, C; Arndt, A; Graf, E

Human ankle joint movements during walking are probably not determined by talar morphology. Thumbnail


P Wolf

R Moor

A Lundberg

A Arndt

E Graf


Knowledge about the orientation of a representative ankle joint axis is limited to studies of tarsal morphology and of quasistatic movements. The aim of our study was therefore to determine the development of the axis orientation during walking. Intracortical bone pins were used to monitor the kinematics of the talus and tibia of five healthy volunteers. The finite helical axis was determined for moving windows of 10\% stance phase and its orientation reported if the rotation about the axis was more than 2°. A representative axis for ankle dorsi- and plantarflexion was also estimated based on tarsal morphology. As reported by literature, the morphology-based axis was inclined more medially upwards for dorsiflexion than for plantarflexion. However, when a mean of the finite helical axis orientations was calculated for each walking trial for dorsiflexion (stance phase 15-25\%) and for plantarflexion (stance phase 85-95\%), the inclination was less medially upwards in dorsiflexion than in plantarflexion in four out of five participants. Thus, it appears that the inclination of a representative ankle joint axis for dynamic loading situations cannot be estimated from either morphology or quasi-static experiments. Future studies assessing muscle activity, ligament behaviour and articulating surfaces may help to identify the determining factors for the orientation of arepresentative ankle joint axis.

Journal Article Type Article
Acceptance Date Aug 3, 2022
Online Publication Date Aug 16, 2022
Publication Date Aug 16, 2022
Journal Scientific Reports
Electronic ISSN 2045-2322
Publisher Nature Publishing Group
Volume 12
Article Number 13856
Keywords Ankle, Ankle Joint, Biomechanical Phenomena, Humans, Talus, Walking
Publisher URL


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