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Spinal segments innervating muscles of the lower extremity 2

Topic: Anatomy

Created on Wednesday, August 30 2006 by jdmiles

Last modified on Tuesday, November 4 2008.

Regarding the muscles of the lower extremity, which of the following muscles typically receives innervation from the T12 spinal segment?

 
        A) Semimembranosus
 
        B) Quadratus lumborum
 
        C) Dorsal interossei
 
        D) Plantar interossei
 
        E) Vastus lateralis
 

 


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This question was created on August 30, 2006 by jdmiles.
This question was last modified on November 04, 2008.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ANSWERS AND EXPLANATIONS




A) Semimembranosus

This answer is incorrect.


Semimembranosus typically receives innervation from spinal segments L5, S1, and S2  (See References)

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B) Quadratus lumborum

This answer is correct.


The muscles of the lower extremity which typically receive innervation from spinal segment t12 include quadratus lumborum  (See References)

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C) Dorsal interossei

This answer is incorrect.


Dorsal interossei typically receives innervation from spinal segments S2 and S3  (See References)

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D) Plantar interossei

This answer is incorrect.


Plantar interossei typically receives innervation from spinal segments S2 and S3  (See References)

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E) Vastus lateralis

This answer is incorrect.


Vastus lateralis typically receives innervation from spinal segments L2, L3, and L4  (See References)

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References:

1. Moore, K.L. (1992). Clinical Oriented Anatomy, 3rd Edition. Williams & Wilkins, Baltimore. (ISBN:068306133X)Advertising:
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anatomy
Spinal segments innervating muscles of the lower extremity 2
Question ID: 830200603
Question written by J. Douglas Miles, (C) 2006-2009, all rights reserved.
Created: 08/30/2006
Modified: 11/04/2008
Estimated Permutations: 0

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