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) Obturator internus
 
        B) Soleus
 
        C) Lumbricals
 
        D) Gracilis
 
        E) Plantar interossei
 

 

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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) Obturator internus

This answer is correct.

The muscles of the lower extremity which typically receive innervation from spinal segment l5 include obturator internus, tensor fasciae latae, gluteus maximus, gluteus medius, gluteus minimus, superior gemellus, inferior gemellus, quadratus femoris, semitendinosus, semimembranosus, biceps femoris, tibialis anterior, extensor hallucis longus, extensor digitorum longus, peroneus tertius, peroneus longus, peroneus brevis, popliteus, and tibialis posterior  (See References)

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B) Soleus

This answer is incorrect.

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

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C) Lumbricals

This answer is incorrect.

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

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D) Gracilis

This answer is incorrect.

Gracilis typically receives innervation from spinal segments L2 and L3  (See References)

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E) Plantar interossei

This answer is incorrect.

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