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Possible effect of morphological variations of plantaris muscle tendon on harvesting at reconstruction surgery-case report

PURPOSE: Seemingly a well-known, weak, and vestigial plantaris muscle should not be a revelation. However, recent studies have shown that this structure is incredibly underestimated and perceived only as an infirm flexor of the talocrural joint, the knee joint or a great source of graft tissue. Usua...

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Autores principales: Gonera, B., Kurtys, K., Karauda, P., Olewnik, Ł., Polguj, M.
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Springer Paris 2020
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7366566/
https://www.ncbi.nlm.nih.gov/pubmed/32248255
http://dx.doi.org/10.1007/s00276-020-02463-1
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author Gonera, B.
Kurtys, K.
Karauda, P.
Olewnik, Ł.
Polguj, M.
author_facet Gonera, B.
Kurtys, K.
Karauda, P.
Olewnik, Ł.
Polguj, M.
author_sort Gonera, B.
collection PubMed
description PURPOSE: Seemingly a well-known, weak, and vestigial plantaris muscle should not be a revelation. However, recent studies have shown that this structure is incredibly underestimated and perceived only as an infirm flexor of the talocrural joint, the knee joint or a great source of graft tissue. Usually, the origin of this inconspicuous muscle begins at the lateral supracondylar line of the femur and the knee joint capsule. It continues distally, forming a long and slender tendon. In most cases, it inserts onto the calcaneal tuberosity on the medial side of the Achilles tendon. However, many morphological variations have been discovered during anatomical dissections and surgical procedures. Nevertheless, according to the present literature, no other studies presented such a complex insertion variant, with indisputable clinical value and significant proof of development of this forgotten muscle. METHODS: The dissection of the right thigh, knee, crural and talocrural region was performed using standard techniques according to a strictly specified protocol. RESULTS: Four different insertion points were observed. The first band (A) inserted near to the tarsal canal flexor retinaculum. The second band (B) bifurcates into two branches—B1 and B2. B1 is located on the medial side and B2 is located on the lateral side of the calcaneal tuberosity. The third band (C) is inserted into the superior nonarticular calcaneal surface of the calcaneus anteriorly to the Achilles tendon. CONCLUSION: A differently shaped plantaris tendon could be considered a cause of harvesting procedure failure. In the light of new case reports perhaps what we are now witnessing is remodeling and transformation of the Plantaris muscle. If so, the awareness of the influence on the onset of Achilles midportion tendinopathy or a potential role in tibialis posterior conflict can be crucial for every clinician.
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spelling pubmed-73665662020-07-21 Possible effect of morphological variations of plantaris muscle tendon on harvesting at reconstruction surgery-case report Gonera, B. Kurtys, K. Karauda, P. Olewnik, Ł. Polguj, M. Surg Radiol Anat Anatomic Variations PURPOSE: Seemingly a well-known, weak, and vestigial plantaris muscle should not be a revelation. However, recent studies have shown that this structure is incredibly underestimated and perceived only as an infirm flexor of the talocrural joint, the knee joint or a great source of graft tissue. Usually, the origin of this inconspicuous muscle begins at the lateral supracondylar line of the femur and the knee joint capsule. It continues distally, forming a long and slender tendon. In most cases, it inserts onto the calcaneal tuberosity on the medial side of the Achilles tendon. However, many morphological variations have been discovered during anatomical dissections and surgical procedures. Nevertheless, according to the present literature, no other studies presented such a complex insertion variant, with indisputable clinical value and significant proof of development of this forgotten muscle. METHODS: The dissection of the right thigh, knee, crural and talocrural region was performed using standard techniques according to a strictly specified protocol. RESULTS: Four different insertion points were observed. The first band (A) inserted near to the tarsal canal flexor retinaculum. The second band (B) bifurcates into two branches—B1 and B2. B1 is located on the medial side and B2 is located on the lateral side of the calcaneal tuberosity. The third band (C) is inserted into the superior nonarticular calcaneal surface of the calcaneus anteriorly to the Achilles tendon. CONCLUSION: A differently shaped plantaris tendon could be considered a cause of harvesting procedure failure. In the light of new case reports perhaps what we are now witnessing is remodeling and transformation of the Plantaris muscle. If so, the awareness of the influence on the onset of Achilles midportion tendinopathy or a potential role in tibialis posterior conflict can be crucial for every clinician. Springer Paris 2020-04-04 2020 /pmc/articles/PMC7366566/ /pubmed/32248255 http://dx.doi.org/10.1007/s00276-020-02463-1 Text en © The Author(s) 2020 Open AccessThis article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article's Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article's Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/.
spellingShingle Anatomic Variations
Gonera, B.
Kurtys, K.
Karauda, P.
Olewnik, Ł.
Polguj, M.
Possible effect of morphological variations of plantaris muscle tendon on harvesting at reconstruction surgery-case report
title Possible effect of morphological variations of plantaris muscle tendon on harvesting at reconstruction surgery-case report
title_full Possible effect of morphological variations of plantaris muscle tendon on harvesting at reconstruction surgery-case report
title_fullStr Possible effect of morphological variations of plantaris muscle tendon on harvesting at reconstruction surgery-case report
title_full_unstemmed Possible effect of morphological variations of plantaris muscle tendon on harvesting at reconstruction surgery-case report
title_short Possible effect of morphological variations of plantaris muscle tendon on harvesting at reconstruction surgery-case report
title_sort possible effect of morphological variations of plantaris muscle tendon on harvesting at reconstruction surgery-case report
topic Anatomic Variations
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7366566/
https://www.ncbi.nlm.nih.gov/pubmed/32248255
http://dx.doi.org/10.1007/s00276-020-02463-1
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