Calcaneal Articular Talar Facets, Stieda’s Process, and Calcaneus Secundarius: Variations Found in Thai Population
1
Issued Date
2025-12-02
Resource Type
eISSN
22288082
Scopus ID
2-s2.0-105023872895
Journal Title
Siriraj Medical Journal
Volume
77
Issue
12
Start Page
886
End Page
900
Rights Holder(s)
SCOPUS
Bibliographic Citation
Siriraj Medical Journal Vol.77 No.12 (2025) , 886-900
Suggested Citation
Wongla A.M.B., Rattanachet P., Honghimaphan S., Chatthai N., Jitrabeab P., Sangchay N. Calcaneal Articular Talar Facets, Stieda’s Process, and Calcaneus Secundarius: Variations Found in Thai Population. Siriraj Medical Journal Vol.77 No.12 (2025) , 886-900. 900. doi:10.33192/smj.v77i12.277342 Retrieved from: https://repository.li.mahidol.ac.th/handle/123456789/113476
Title
Calcaneal Articular Talar Facets, Stieda’s Process, and Calcaneus Secundarius: Variations Found in Thai Population
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Corresponding Author(s)
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Abstract
Objective: The calcaneus and talus have been studied in anatomy and pathology, but research is limited compared to its forensic use. This study examines the prevalence of three types of variants (calcaneal talar facet types, Stieda’s process, and calcaneus secundarius) to find correlations with sex and siding of the calcaneus and talus in a Thai population. Materials and Methods: A total of 250 specimens from the bone collection of Siriraj Anatomical and Anthropological Bone Research Centre (Si-AABRC), Thailand, were used. The calcaneus was classified into three types based on its articular talar facets, and the talus was categorized based on the presence of Stieda’s process and four types of posterolateral tubercles. Presence of a calcaneus secundarius was checked for a crescent-shaped notch and an accessory ossicle. Results: Pattern I, the most common facet type, accounted for 60.23% of calcanei, with a 45.2% average of “full-shaped” facets. Pattern III was the least common, averaging 4.4%. The flat posterior processes of the talus were the most frequent trait (41.4%), while the hook type was the least common (2.4%). Calcaneus secundarius (CS) and Stieda’s process (SP) were the rarest traits. Conclusion: The aforementioned calcaneal and talar traits can aid in investigating sides, as left or right, but not as a specific sex characteristic. The calcaneus secundarius has no correlation to either sex or siding due to limited samples. The outcomes of prevalence align with prior studies.