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.

 
        A) Abductor hallucis
 
        B) Plantaris
 
        C) Vastus medialis
 
        D) Flexor digitorum brevis
 
        E) Gluteus medius
 

 

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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

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A) Abductor hallucis

This answer is incorrect.

Abductor hallucis typically receives innervation from spinal segments S2 and S3  (See References)

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B) Plantaris

This answer is incorrect.

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

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C) Vastus medialis

This answer is correct.

The muscles of the lower extremity which typically receive innervation from spinal segment l3 include iliacus, psoas major, quadratus lumborum, sartorius, rectus femoris, vastus lateralis, vastus medialis, vastus intermedius, pectineus, adductor longus, adductor brevis, adductor magnus, gracilis, and obturator externus  (See References)

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D) Flexor digitorum brevis

This answer is incorrect.

Flexor digitorum brevis typically receives innervation from spinal segments S2 and S3  (See References)

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E) Gluteus medius

This answer is incorrect.

Gluteus medius typically receives innervation from spinal segments L5 and S1  (See References)

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References:

1. Moore, K.L. (1992). Clinical Oriented Anatomy, 3rd Edition. Williams & Wilkins, Baltimore. (ISBN:068306133X)

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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