A study on the morphometric asymmetry of atlas vertebrae

The commonly used examination procedures of the upper cervical spine depend upon the symmetry for comparison and interpretation of joint functions. If symmetry is not normal, then these assessments may mislead the examiners, allowing them implementation of incorrect treatment plans. Objectives of th...

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Main Authors: Mohd Salahuddin Ansari, S, Mukesh, KB, Binaya, C, Nilotpal
Format: Article
Language:English
Published: Faculty of Medicine, UKM Medical Centre 2016
Online Access:http://journalarticle.ukm.my/9830/
http://journalarticle.ukm.my/9830/1/4.Salahuddin_et_al.pdf
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author Mohd Salahuddin Ansari,
S, Mukesh
KB, Binaya
C, Nilotpal
author_facet Mohd Salahuddin Ansari,
S, Mukesh
KB, Binaya
C, Nilotpal
author_sort Mohd Salahuddin Ansari,
building UKM Institutional Repository
collection Online Access
description The commonly used examination procedures of the upper cervical spine depend upon the symmetry for comparison and interpretation of joint functions. If symmetry is not normal, then these assessments may mislead the examiners, allowing them implementation of incorrect treatment plans. Objectives of this study are to explore the possibility that asymmetry is more common than symmetry and, if it is true, to find out the effects of asymmetry on the biomechanics of these joints. The study was carried out on 30 atlas vertebrae of cadavers of Indian origin. The different intra-atlas distances were measured on both sides by digital vernier calliper. All the parameters studied showed statistically significant differences between the right and left side i.e. a p value of < 0.05. The antero-posterior diameter of the foramen transversarium, the transverse diameter of the foramen transversarium, the distance from the midline to medial edge of the vertebral artery groove (inner as well as outer cortex) and the length of the superior articular facets were more on the right side as compared to the left side. The breadth as well as the length of the inferior articular facet, the breadth of the superior articular facet and the difference of posterior arch thickness at the site of vertebral artery groove were more on the left side as compared to the right side. These differences may be explained by the handedness of an individual, which influences the intra-osteal asymmetry in a characteristically distinct manner, which needs to be confirmed or refuted in a further study.
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spelling oai:generic.eprints.org:98302016-12-14T06:50:58Z http://journalarticle.ukm.my/9830/ A study on the morphometric asymmetry of atlas vertebrae Mohd Salahuddin Ansari, S, Mukesh KB, Binaya C, Nilotpal The commonly used examination procedures of the upper cervical spine depend upon the symmetry for comparison and interpretation of joint functions. If symmetry is not normal, then these assessments may mislead the examiners, allowing them implementation of incorrect treatment plans. Objectives of this study are to explore the possibility that asymmetry is more common than symmetry and, if it is true, to find out the effects of asymmetry on the biomechanics of these joints. The study was carried out on 30 atlas vertebrae of cadavers of Indian origin. The different intra-atlas distances were measured on both sides by digital vernier calliper. All the parameters studied showed statistically significant differences between the right and left side i.e. a p value of < 0.05. The antero-posterior diameter of the foramen transversarium, the transverse diameter of the foramen transversarium, the distance from the midline to medial edge of the vertebral artery groove (inner as well as outer cortex) and the length of the superior articular facets were more on the right side as compared to the left side. The breadth as well as the length of the inferior articular facet, the breadth of the superior articular facet and the difference of posterior arch thickness at the site of vertebral artery groove were more on the left side as compared to the right side. These differences may be explained by the handedness of an individual, which influences the intra-osteal asymmetry in a characteristically distinct manner, which needs to be confirmed or refuted in a further study. Faculty of Medicine, UKM Medical Centre 2016 Article PeerReviewed application/pdf en http://journalarticle.ukm.my/9830/1/4.Salahuddin_et_al.pdf Mohd Salahuddin Ansari, and S, Mukesh and KB, Binaya and C, Nilotpal (2016) A study on the morphometric asymmetry of atlas vertebrae. Journal of Surgical Academia, 6 (1). pp. 18-24. ISSN 2231-7481 http://jsurgacad.com/toc/6/1
spellingShingle Mohd Salahuddin Ansari,
S, Mukesh
KB, Binaya
C, Nilotpal
A study on the morphometric asymmetry of atlas vertebrae
title A study on the morphometric asymmetry of atlas vertebrae
title_full A study on the morphometric asymmetry of atlas vertebrae
title_fullStr A study on the morphometric asymmetry of atlas vertebrae
title_full_unstemmed A study on the morphometric asymmetry of atlas vertebrae
title_short A study on the morphometric asymmetry of atlas vertebrae
title_sort study on the morphometric asymmetry of atlas vertebrae
url http://journalarticle.ukm.my/9830/
http://journalarticle.ukm.my/9830/
http://journalarticle.ukm.my/9830/1/4.Salahuddin_et_al.pdf