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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) Plantaris
 
        B) Plantar interossei
 
        C) Tibialis posterior
 
        D) Adductor brevis
 
        E) Quadratus lumborum
 

 


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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) Plantaris

This answer is incorrect.


Plantaris typically receives innervation from spinal segments S1 and S2  (See References)

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B) Plantar interossei

This answer is incorrect.


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

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C) Tibialis posterior

This answer is incorrect.


Tibialis posterior typically receives innervation from spinal segments L4 and L5  (See References)

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D) Adductor brevis

This answer is incorrect.


Adductor brevis typically receives innervation from spinal segments L2, L3, and L4  (See References)

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E) 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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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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