Morphological variability of the plantaris tendon in the human fetus

Abstract Muscular anatomy often differs between species and individuals. In particular, the plantaris muscle (PM) demonstrates great morphological variability in its course and its proximal and distal attachments. The aim of this study was to investigate the morphological variation of the PM tendon...

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Autores principales: Anna Waśniewska-Włodarczyk, Friedrich Paulsen, Łukasz Olewnik, Michał Polguj
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Lenguaje:EN
Publicado: Nature Portfolio 2021
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Acceso en línea:https://doaj.org/article/a32b01c35c95431e9ba0a11c8cc0fbcc
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spelling oai:doaj.org-article:a32b01c35c95431e9ba0a11c8cc0fbcc2021-12-02T17:08:43ZMorphological variability of the plantaris tendon in the human fetus10.1038/s41598-021-96391-82045-2322https://doaj.org/article/a32b01c35c95431e9ba0a11c8cc0fbcc2021-08-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-96391-8https://doaj.org/toc/2045-2322Abstract Muscular anatomy often differs between species and individuals. In particular, the plantaris muscle (PM) demonstrates great morphological variability in its course and its proximal and distal attachments. The aim of this study was to investigate the morphological variation of the PM tendon in human fetuses. Forty-six spontaneously aborted human fetuses (23 male, 23 female) aged 18–38 weeks of gestation were studied. Morphology of the attachment of the PM was assessed in both lower extremities (n = 92). The PM was present in 72 lower limbs (78.26%) and absent in 20 (21.74%). Eight types of PM distal attachment were identified. We propose an eight-fold classification of PM insertion in fetuses. Leg length, length of tendon, extension point (ExP) from the calcaneus, and ExP thickness differed significantly among types of PM insertion.Anna Waśniewska-WłodarczykFriedrich PaulsenŁukasz OlewnikMichał PolgujNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-12 (2021)
institution DOAJ
collection DOAJ
language EN
topic Medicine
R
Science
Q
spellingShingle Medicine
R
Science
Q
Anna Waśniewska-Włodarczyk
Friedrich Paulsen
Łukasz Olewnik
Michał Polguj
Morphological variability of the plantaris tendon in the human fetus
description Abstract Muscular anatomy often differs between species and individuals. In particular, the plantaris muscle (PM) demonstrates great morphological variability in its course and its proximal and distal attachments. The aim of this study was to investigate the morphological variation of the PM tendon in human fetuses. Forty-six spontaneously aborted human fetuses (23 male, 23 female) aged 18–38 weeks of gestation were studied. Morphology of the attachment of the PM was assessed in both lower extremities (n = 92). The PM was present in 72 lower limbs (78.26%) and absent in 20 (21.74%). Eight types of PM distal attachment were identified. We propose an eight-fold classification of PM insertion in fetuses. Leg length, length of tendon, extension point (ExP) from the calcaneus, and ExP thickness differed significantly among types of PM insertion.
format article
author Anna Waśniewska-Włodarczyk
Friedrich Paulsen
Łukasz Olewnik
Michał Polguj
author_facet Anna Waśniewska-Włodarczyk
Friedrich Paulsen
Łukasz Olewnik
Michał Polguj
author_sort Anna Waśniewska-Włodarczyk
title Morphological variability of the plantaris tendon in the human fetus
title_short Morphological variability of the plantaris tendon in the human fetus
title_full Morphological variability of the plantaris tendon in the human fetus
title_fullStr Morphological variability of the plantaris tendon in the human fetus
title_full_unstemmed Morphological variability of the plantaris tendon in the human fetus
title_sort morphological variability of the plantaris tendon in the human fetus
publisher Nature Portfolio
publishDate 2021
url https://doaj.org/article/a32b01c35c95431e9ba0a11c8cc0fbcc
work_keys_str_mv AT annawasniewskawłodarczyk morphologicalvariabilityoftheplantaristendoninthehumanfetus
AT friedrichpaulsen morphologicalvariabilityoftheplantaristendoninthehumanfetus
AT łukaszolewnik morphologicalvariabilityoftheplantaristendoninthehumanfetus
AT michałpolguj morphologicalvariabilityoftheplantaristendoninthehumanfetus
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