4.1 Article

Sex- and age-related variations in the three-dimensional orientations and curvatures of the articular surfaces of the human talus

期刊

ANATOMICAL SCIENCE INTERNATIONAL
卷 96, 期 2, 页码 258-264

出版社

SPRINGER
DOI: 10.1007/s12565-020-00585-5

关键词

Ageing; Sex; Subtalar joint; Ankle joint; Talonavicular joint; Talus

资金

  1. Japanese Society for the Promotion of Science for Research Fellow [19J00277]
  2. Grants-in-Aid for Scientific Research [19J00277] Funding Source: KAKEN

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This study investigated the orientation and curvature of the talus articular surfaces in relation to sex and age using computer tomography. Results showed that the talonavicular surface in females was significantly more twisted in the frontal plane and less adducted in the transverse plane compared to males. With aging, the subtalar articular surface faced more posteriorly, and the curvature radii of trochlea and navicular articular surfaces increased, indicating a flattening of these surfaces, which could potentially lead to a higher prevalence of foot disorders in the elderly.
The high prevalence of foot pathologies in women and the elderly could be associated with gender and age difference in the morphology of the foot, particularly the morphology of the keystone of the foot, the talus. The present study investigated the orientation and curvature of the three articular surfaces of the talus in relation to sex and age based on computer tomography (CT), to identify possible morphological factors of the higher prevalence of foot disorders in women and elderly. Fifty-six participants were included in this study. The orientations of the talocrural, subtalar, and talonavicular joints were quantified three-dimensionally by calculating normal and principal axes of the articular surfaces defined by planar approximation. The curvature radii of the articular surfaces were quantified by cylindrical and spherical approximations. The talonavicular surface was significantly more twisted in the frontal plane and less adducted in the transverse plane in females than in males. With aging, the subtalar articular surface was significantly facing more posteriorly. Moreover, it was found that the curvature radii of the trochlea and navicular articular surfaces significantly increased with aging, indicating a flattening of these surfaces. The identified changes in the talar morphology with aging could potentially lead to a higher prevalence of foot disorders in the elderly.

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