Morphometry of Spinal Nerve Composition and Thicknesses of Lumbar Plexus Nerves for Use in Clinical Applications

SUMMARY: The aim of this study was to clarify the diverse spinal compositions of the branches of the lumbar plexus in terms of their prevalence rates and thicknesses. Thirty lumbar plexuses extracted from Korean adults were used in this study. The nerve fascicles were separated and traced with the a...

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Autores principales:	Hyun-Ju,Ji, Mi-Sun,Hur
Lenguaje:	English
Publicado:	Sociedad Chilena de Anatomía 2021
Materias:	Lumbar plexus Spinal nerve composition Thickness
Acceso en línea:	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022021000401006
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spelling	oai:scielo:S0717-950220210004010062021-08-16Morphometry of Spinal Nerve Composition and Thicknesses of Lumbar Plexus Nerves for Use in Clinical ApplicationsHyun-Ju,JiMi-Sun,Hur Lumbar plexus Spinal nerve composition Thickness SUMMARY: The aim of this study was to clarify the diverse spinal compositions of the branches of the lumbar plexus in terms of their prevalence rates and thicknesses. Thirty lumbar plexuses extracted from Korean adults were used in this study. The nerve fascicles were separated and traced with the aid of a surgical microscope. The thickness of each spinal nerve component was calculated based on the mean of the largest and smallest diameters using digital calipers under the surgical microscope. The most common patterns of the spinal composition of the branches of the lumbar plexus were as follows: The iliohypogastric nerve (IHN) and the ilioinguinal nerve (IIN) arose from the ventral ramus of the first lumbar nerve (L1), the genitofemoral nerve (GFN) arose from the anterior division of the ventral ramus of the second lumbar nerve (L2), and the lateral femoral cutaneous nerve (LFCN) arose from the posterior division of the ventral ramus of theL2, the femoral nerve (FN) arose from the posterior division of the ventral ramus of L2-the fourth lumbar nerve (L4), with the thickest spinal component derived from the third lumbar nerve (L3), and the obturator nerve (OBN) arose from the anterior division of the ventral ramus of L2-L4, with the thickest spinal component derived from L3. However, when L5 constituted the FN and OBN, the thickest spinal components of the FN and OBN was L4. This morphometric study has measured the thicknesses of diverse spinal components that constitute the branches of the lumbar plexus after separating the nerve fascicles. The thicknesses of the various spinal components of these branches can be compared in order to understand which make the main and minor contributions to the lower limb.info:eu-repo/semantics/openAccessSociedad Chilena de AnatomíaInternational Journal of Morphology v.39 n.4 20212021-08-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022021000401006en10.4067/S0717-95022021000401006
institution	Scielo Chile
collection	Scielo Chile
language	English
topic	Lumbar plexus Spinal nerve composition Thickness
spellingShingle	Lumbar plexus Spinal nerve composition Thickness Hyun-Ju,Ji Mi-Sun,Hur Morphometry of Spinal Nerve Composition and Thicknesses of Lumbar Plexus Nerves for Use in Clinical Applications
description	SUMMARY: The aim of this study was to clarify the diverse spinal compositions of the branches of the lumbar plexus in terms of their prevalence rates and thicknesses. Thirty lumbar plexuses extracted from Korean adults were used in this study. The nerve fascicles were separated and traced with the aid of a surgical microscope. The thickness of each spinal nerve component was calculated based on the mean of the largest and smallest diameters using digital calipers under the surgical microscope. The most common patterns of the spinal composition of the branches of the lumbar plexus were as follows: The iliohypogastric nerve (IHN) and the ilioinguinal nerve (IIN) arose from the ventral ramus of the first lumbar nerve (L1), the genitofemoral nerve (GFN) arose from the anterior division of the ventral ramus of the second lumbar nerve (L2), and the lateral femoral cutaneous nerve (LFCN) arose from the posterior division of the ventral ramus of theL2, the femoral nerve (FN) arose from the posterior division of the ventral ramus of L2-the fourth lumbar nerve (L4), with the thickest spinal component derived from the third lumbar nerve (L3), and the obturator nerve (OBN) arose from the anterior division of the ventral ramus of L2-L4, with the thickest spinal component derived from L3. However, when L5 constituted the FN and OBN, the thickest spinal components of the FN and OBN was L4. This morphometric study has measured the thicknesses of diverse spinal components that constitute the branches of the lumbar plexus after separating the nerve fascicles. The thicknesses of the various spinal components of these branches can be compared in order to understand which make the main and minor contributions to the lower limb.
author	Hyun-Ju,Ji Mi-Sun,Hur
author_facet	Hyun-Ju,Ji Mi-Sun,Hur
author_sort	Hyun-Ju,Ji
title	Morphometry of Spinal Nerve Composition and Thicknesses of Lumbar Plexus Nerves for Use in Clinical Applications
title_short	Morphometry of Spinal Nerve Composition and Thicknesses of Lumbar Plexus Nerves for Use in Clinical Applications
title_full	Morphometry of Spinal Nerve Composition and Thicknesses of Lumbar Plexus Nerves for Use in Clinical Applications
title_fullStr	Morphometry of Spinal Nerve Composition and Thicknesses of Lumbar Plexus Nerves for Use in Clinical Applications
title_full_unstemmed	Morphometry of Spinal Nerve Composition and Thicknesses of Lumbar Plexus Nerves for Use in Clinical Applications
title_sort	morphometry of spinal nerve composition and thicknesses of lumbar plexus nerves for use in clinical applications
publisher	Sociedad Chilena de Anatomía
publishDate	2021
url	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022021000401006
work_keys_str_mv	AT hyunjuji morphometryofspinalnervecompositionandthicknessesoflumbarplexusnervesforuseinclinicalapplications AT misunhur morphometryofspinalnervecompositionandthicknessesoflumbarplexusnervesforuseinclinicalapplications
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Morphometry of Spinal Nerve Composition and Thicknesses of Lumbar Plexus Nerves for Use in Clinical Applications

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