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) Flexor hallucis longus
 
        B) Piriformis
 
        C) Extensor digitorum longus
 
        D) Plantar interossei
 
        E) Adductor magnus
 

 

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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) Flexor hallucis longus

This answer is incorrect.

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

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B) Piriformis

This answer is incorrect.

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

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C) Extensor digitorum longus

This answer is incorrect.

Extensor digitorum longus typically receives innervation from spinal segments L5 and S1  (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) Adductor magnus

This answer is correct.

The muscles of the lower extremity which typically receive innervation from spinal segment l4 include quadratus lumborum, tensor fasciae latae, rectus femoris, vastus lateralis, vastus medialis, vastus intermedius, adductor longus, adductor brevis, adductor magnus, obturator externus, tibialis anterior, popliteus, and tibialis posterior  (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