Topographic and Biometric Study of Radial Nerve Branches to the Muscles of the Anterior Compartment of the Arm

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 ra...

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Autores principales:	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
Lenguaje:	English
Publicado:	Sociedad Chilena de Anatomía 2015
Materias:	Anatomy Radial nerve Brachialis muscle Coracobrachialis muscle
Acceso en línea:	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022015000400054
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spelling	oai:scielo:S0717-950220150004000542016-03-22Topographic and Biometric Study of Radial Nerve Branches to the Muscles of the Anterior Compartment of the ArmRamos e Silva,D. LBarbosa,F TimbóRodrigues,A. K Barros FerreiraRamos,F. W Silvade Lima,F CamelloGalvao,A. M NascimentoLira,F. O QuixadaSousa-Rodrigues,C. F Anatomy Radial nerve Brachialis muscle Coracobrachialis muscle 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.info:eu-repo/semantics/openAccessSociedad Chilena de AnatomíaInternational Journal of Morphology v.33 n.4 20152015-12-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022015000400054en10.4067/S0717-95022015000400054
institution	Scielo Chile
collection	Scielo Chile
language	English
topic	Anatomy Radial nerve Brachialis muscle Coracobrachialis muscle
spellingShingle	Anatomy Radial nerve Brachialis muscle Coracobrachialis muscle 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 Topographic and Biometric Study of Radial Nerve Branches to the Muscles of the Anterior Compartment of the Arm
description	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.
author	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
author_facet	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
author_sort	Ramos e Silva,D. L
title	Topographic and Biometric Study of Radial Nerve Branches to the Muscles of the Anterior Compartment of the Arm
title_short	Topographic and Biometric Study of Radial Nerve Branches to the Muscles of the Anterior Compartment of the Arm
title_full	Topographic and Biometric Study of Radial Nerve Branches to the Muscles of the Anterior Compartment of the Arm
title_fullStr	Topographic and Biometric Study of Radial Nerve Branches to the Muscles of the Anterior Compartment of the Arm
title_full_unstemmed	Topographic and Biometric Study of Radial Nerve Branches to the Muscles of the Anterior Compartment of the Arm
title_sort	topographic and biometric study of radial nerve branches to the muscles of the anterior compartment of the arm
publisher	Sociedad Chilena de Anatomía
publishDate	2015
url	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022015000400054
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Topographic and Biometric Study of Radial Nerve Branches to the Muscles of the Anterior Compartment of the Arm

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