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Provedor de dados:  International Journal of Morphology
País:  Chile
Título:  Topographic and Biometric Study of Radial Nerve Branches to the Muscles of the Anterior Compartment of the Arm
Autores:  Ramos e Silva,D. L
Barbosa,F Timbó
Rodrigues,A. K Barros Ferreira
Ramos,F. W Silva
de Lima,F Camello
Galvao,A. M Nascimento
Lira,F. O Quixada
Sousa-Rodrigues,C. F
Data:  2015-12-01
Ano:  2015
Palavras-chave:  Anatomy
Radial nerve
Brachialis muscle
Coracobrachialis muscle
Resumo:  The radial nerve is a terminal branch of the brachial plexus that innervates the entire posterior compartment of the upper limb. Researches have shown that the branches can contribute to innervation of the muscles from the anterior compartment of the arm. This study sought to identify branches of radial nerve for brachialis and coracobrachialis muscles and its clinical value during surgery. Dissection was performed in 60 arms, from 30 corpses selected from the Human Anatomy Laboratories of Universidade Estadual de Ciências da Saúde de Alagoas (UNCISAL). In each arm, three segments of the same proportion were considered (proximal, middle and distal) in order to observe the number of radial nerve branches to brachialis and coracobrachialis muscles. Branches were identified in 4 of the 60 upper limb (6.66%) with the following distribution: nerve with 1 branch to the brachialis muscle in the distal third (1.66%); with 1 branch to the middle third of the coracobrachialis (1.66%) and 5 branches to the coracobrachialis muscle in the proximal third; 1 branch being found in an upper limb (1.66 %) and 4 branches in the other upper limb (1.66 %). The event was not bilaterally in the same body, and in four cases there was no branching, but only communication with other terminal nerves of the brachial plexus. In conclusion, although most authors do not describe the possibility of the occurrence of radial nerve branches to the muscles of the anterior compartment of the arm, this condition exists as an anatomical variation.
Tipo:  Journal article
Idioma:  Inglês
Editor:  Sociedad Chilena de Anatomía
Formato:  text/html
Fonte:  International Journal of Morphology v.33 n.4 2015

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