Occipital Bone Fossa Associated with the Position of Rectus Capitis Posterior Minor Muscle

Rectus Capitis Posterior Minor muscle (RCPm) is one of the deepest and shorter muscles of the posterior region of the neck. RCPm arises from the posterior tubercle on the posterior arch of atlas and inserts on the squamous part of the occipital bone, inferior to the inferior nuchal line and lateral...

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Autores principales:	Marinkovic,Elisa, Jorquera,Paula
Lenguaje:	English
Publicado:	Sociedad Chilena de Anatomía 2015
Materias:	Occipital Bone Fossa Anatomical variation Rectus Capitis Posterior Minor muscle Rectus Capitis Posterior Major muscle
Acceso en línea:	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022015000400021
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spelling	oai:scielo:S0717-950220150004000212016-03-22Occipital Bone Fossa Associated with the Position of Rectus Capitis Posterior Minor MuscleMarinkovic,ElisaJorquera,Paula Occipital Bone Fossa Anatomical variation Rectus Capitis Posterior Minor muscle Rectus Capitis Posterior Major muscle Rectus Capitis Posterior Minor muscle (RCPm) is one of the deepest and shorter muscles of the posterior region of the neck. RCPm arises from the posterior tubercle on the posterior arch of atlas and inserts on the squamous part of the occipital bone, inferior to the inferior nuchal line and lateral to the external occipital crest at midline. Based on their anatomical location, and their functional role, is considered to be a head extender muscle and an active element in the stabilization of the occipitoatlantal joint. During routine examination of the skulls, in the Morphology Laboratory of the Basic Biomedical Sciences Department, University of Talca, Chile, two unusual fossas were found in the squamous part of occipital bone, of an adult human skull of masculine sex. No other significant bony anomaly was noted, but it is observed that the elevations and depressions are well marked in the skull. The anatomical location of this fossa suggests a relationship with the RCPm muscle that is described in the same location of this finding. Therefore, it is postulated that prolonged improper posture from an early age, could generate a mechanical compression which would result in the finding fossas; this based on Wolff's law, which states that the bone tissue adapts to the mechanical demands placed on him.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=S0717-95022015000400021en10.4067/S0717-95022015000400021
institution	Scielo Chile
collection	Scielo Chile
language	English
topic	Occipital Bone Fossa Anatomical variation Rectus Capitis Posterior Minor muscle Rectus Capitis Posterior Major muscle
spellingShingle	Occipital Bone Fossa Anatomical variation Rectus Capitis Posterior Minor muscle Rectus Capitis Posterior Major muscle Marinkovic,Elisa Jorquera,Paula Occipital Bone Fossa Associated with the Position of Rectus Capitis Posterior Minor Muscle
description	Rectus Capitis Posterior Minor muscle (RCPm) is one of the deepest and shorter muscles of the posterior region of the neck. RCPm arises from the posterior tubercle on the posterior arch of atlas and inserts on the squamous part of the occipital bone, inferior to the inferior nuchal line and lateral to the external occipital crest at midline. Based on their anatomical location, and their functional role, is considered to be a head extender muscle and an active element in the stabilization of the occipitoatlantal joint. During routine examination of the skulls, in the Morphology Laboratory of the Basic Biomedical Sciences Department, University of Talca, Chile, two unusual fossas were found in the squamous part of occipital bone, of an adult human skull of masculine sex. No other significant bony anomaly was noted, but it is observed that the elevations and depressions are well marked in the skull. The anatomical location of this fossa suggests a relationship with the RCPm muscle that is described in the same location of this finding. Therefore, it is postulated that prolonged improper posture from an early age, could generate a mechanical compression which would result in the finding fossas; this based on Wolff's law, which states that the bone tissue adapts to the mechanical demands placed on him.
author	Marinkovic,Elisa Jorquera,Paula
author_facet	Marinkovic,Elisa Jorquera,Paula
author_sort	Marinkovic,Elisa
title	Occipital Bone Fossa Associated with the Position of Rectus Capitis Posterior Minor Muscle
title_short	Occipital Bone Fossa Associated with the Position of Rectus Capitis Posterior Minor Muscle
title_full	Occipital Bone Fossa Associated with the Position of Rectus Capitis Posterior Minor Muscle
title_fullStr	Occipital Bone Fossa Associated with the Position of Rectus Capitis Posterior Minor Muscle
title_full_unstemmed	Occipital Bone Fossa Associated with the Position of Rectus Capitis Posterior Minor Muscle
title_sort	occipital bone fossa associated with the position of rectus capitis posterior minor muscle
publisher	Sociedad Chilena de Anatomía
publishDate	2015
url	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022015000400021
work_keys_str_mv	AT marinkovicelisa occipitalbonefossaassociatedwiththepositionofrectuscapitisposteriorminormuscle AT jorquerapaula occipitalbonefossaassociatedwiththepositionofrectuscapitisposteriorminormuscle
_version_	1718444936687255552

Occipital Bone Fossa Associated with the Position of Rectus Capitis Posterior Minor Muscle

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