The morphological variability of fibularis tertius origin in human foetuses

Ruzik K, Westrych K, Zielinska N, Podgórski M, Karauda P, Diogo R, Paulsen F, Polguj M, Olewnik (2022)


Publication Type: Journal article

Publication year: 2022

Journal

Book Volume: 243

Article Number: 151920

DOI: 10.1016/j.aanat.2022.151920

Abstract

Background: The purpose of this study was to characterize the morphology of the fibularis tertius (FT) in human fetuses, and to provide a classification based on its modes of origin in human fetuses. Methods: The material comprised 100extremities from 50 spontaneously aborted human fetuses (19 male, 31 female, 100 lowerlimbs in total), aged 18–38 weeks of gestation. These were dissected and the presence or absence of the FT muscle as well as the type of its proximal attachment were determined, and the FT was measured morphometrically. Results: The FT was present in 50% of fetuses. Four types of FT muscle origin were identified. The most common was Type 2, characterized by an origin on the middle third of the fibula and the intermuscular septum. Three other types were observed: Type 1 with an origin located on proximal third of the fibula and to the intermuscular septum, Type 3 characterized by an absent muscle belly, and an independent tendon originating from the that of the extensor digitorum longus, and Type 4 with an origin located on the distal third of the fibula and the intermuscular septum. Conclusions: The fibularis tertius demonstrates high morphological variability, with the most common origin located on third of the fibula and to the intermuscular septum.

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APA:

Ruzik, K., Westrych, K., Zielinska, N., Podgórski, M., Karauda, P., Diogo, R.,... Olewnik, . (2022). The morphological variability of fibularis tertius origin in human foetuses. Annals of Anatomy-Anatomischer Anzeiger, 243. https://doi.org/10.1016/j.aanat.2022.151920

MLA:

Ruzik, K., et al. "The morphological variability of fibularis tertius origin in human foetuses." Annals of Anatomy-Anatomischer Anzeiger 243 (2022).

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