Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Relationship between Joint and Ligament Structures of the Subtalar Joint and Degeneration of the Subtalar Articular Facet

Ryoya Togashi
,
Mutsuaki Edama
* ORCID logo ,
Mayuu Shagawa
,
Haruki Osanami
,
Hrotake Yokota
ORCID logo ,
Ryo Hirabayashi
ORCID logo ,
Chie Sekine
ORCID logo ,
Tomonobu Ishigaki
,
Hiroshi Akuzawa
,
Yuki Yamada
,
Taku Toriumi
,
Ikuo Kageyama
Version 1 : Received: 7 January 2023 / Approved: 9 January 2023 / Online: 9 January 2023 (09:22:22 CET)

A peer-reviewed article of this Preprint also exists.

Togashi, R.; Edama, M.; Shagawa, M.; Osanami, H.; Yokota, H.; Hirabayashi, R.; Sekine, C.; Ishigaki, T.; Akuzawa, H.; Yamada, Y.; Toriumi, T.; Kageyama, I. Relationship between Joint and Ligament Structures of the Subtalar Joint and Degeneration of the Subtalar Articular Facet. Int. J. Environ. Res. Public Health 2023, 20, 3075. Togashi, R.; Edama, M.; Shagawa, M.; Osanami, H.; Yokota, H.; Hirabayashi, R.; Sekine, C.; Ishigaki, T.; Akuzawa, H.; Yamada, Y.; Toriumi, T.; Kageyama, I. Relationship between Joint and Ligament Structures of the Subtalar Joint and Degeneration of the Subtalar Articular Facet. Int. J. Environ. Res. Public Health 2023, 20, 3075.

Abstract

This study aimed to clarify the relationship between the joint and ligament structures of the subtalar joint and degeneration of the subtalar articular facet. We examined 50 feet from 25 Japanese cadavers. The number of articular facets, joint congruence, and intersecting angle were measured for the joint structure of the subtalar joint, and the footprint areas of the ligament attachments of the cervical ligament, interosseous talocalcaneal ligament (ITCL), and anterior capsular ligament were measured for the ligament structure. Also, subtalar joint facets were classified into Degeneration (+) and (-) groups according to degeneration of the talus and calcaneus. No significant relationship was identified between the joint structure of the subtalar joint and degeneration of the subtalar articular facet. In contrast, footprint area of the ITCL was significantly higher in the Degeneration (+) group than in the Degeneration (-) group for the subtalar joint facet. These results suggest that the joint structure of the subtalar joint may not affect degeneration of the subtalar articular facet. Degeneration of the subtalar articular facet may be related to the size of the ITCL.

Keywords

subtalar joint instability; chronic ankle instability; footprint osteoarthritis

Subject

Physical Sciences, Biophysics

Copyright: This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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