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Title: Morphometric and statistical analysis of the palmaris longus muscle in human and non-human primates
Authors: Aversi-Ferreira, Roqueline Ametila Glória Martins de Freitas
Bretas, Rafael Vieira
Maior, Rafael Plakoudi Souto
Davaasuren, Munkhzul
Paraguassú-Chaves, Carlos Alberto
Nishijo, Hisao
Aversi-Ferreira, Tales Alexandre
Assunto:: Músculos
Issue Date: 2014
Publisher: Hindawi Publishing Corporation
Citation: AVERSI-FERREIRA, Roqueline Ametila Glória Martins de Freitas et al. Morphometric and statistical analysis of the palmaris longus muscle in human and non-human primates. BioMed Research International, v. 2014, Article ID 178906, p. 1-6, 2014. Disponível em: <>. Acesso em: 4 jul. 2017.
Abstract: The palmaris longus is considered a phylogenetic degenerate metacarpophalangeal joint flexor muscle in humans, a small vestigial forearm muscle; it is the most variable muscle in humans, showing variation in position, duplication, slips and could be reverted. It is frequently studied in papers about human anatomical variations in cadavers and in vivo, its variation has importance in medical clinic, surgery, radiological analysis, in studies about high-performance athletes, in genetics and anthropologic studies.Most studies about palmaris longus in humans are associated to frequency or case studies, but comparative anatomy in primates and comparative morphometry were not found in scientific literature. Comparative anatomy associated to morphometry of palmaris longus could explain the degeneration observed in this muscle in two of three of the great apes. Hypothetically, the comparison of the relative length of tendons and belly could indicate the pathway of the degeneration of this muscle, that is, the degeneration could be associated to increased tendon length and decreased belly from more primitive primates to those most derivate, that is, great apes to modern humans. In conclusion, in primates, the tendon of the palmaris longus increase fromLemuriformes tomodern humans, that is, from arboreal to terrestrial primates and the muscle became weaker and tending to be missing.
Licença:: Copyright © 2014 Roqueline A. G. M. F. Aversi-Ferreira et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. Fonte: <>. Acesso em: 4 jul. 2017.
Appears in Collections:CFS - Artigos publicados em periódicos

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