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) Plantar interossei
 
        B) Peroneus tertius
 
        C) Gastrocnemius
 
        D) Adductor magnus
 
        E) Flexor hallucis brevis
 

 

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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) Plantar interossei

This answer is incorrect.

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

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B) Peroneus tertius

This answer is incorrect.

Peroneus tertius typically receives innervation from spinal segments L5 and S1  (See References)

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C) Gastrocnemius

This answer is incorrect.

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

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D) Adductor magnus

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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E) Flexor hallucis brevis

This answer is incorrect.

Flexor hallucis brevis typically receives innervation from spinal segments S1 and S2  (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