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Muscles innervated by the median nerve

Topic: Anatomy

Created on Wednesday, August 9 2006 by

Last modified on Wednesday, December 31 1969.

Which of the following muscles is innervated by the median nerve?

 
        A) Serratus anterior
 
        B) Flexor digitorum profundus II
 
        C) Extensor indicis
 
        D) Rhomboids
 
        E) Brachialis
 

 


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This question was created on August 09, 2006 by .
This question was last modified on December 31, 1969.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ANSWERS AND EXPLANATIONS




A) serratus anterior

This answer is incorrect.


Serratus anterior is innervated by the long thoracic nerve, which arises from the brachial plexus  (See References)

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B) flexor digitorum profundus II

This answer is correct.


Flexor digitorum profundus II is innervated by the median nerve  (See References)

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C) extensor indicis

This answer is incorrect.


Extensor indicis is innervated by the radial nerve  (See References)

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D) rhomboids

This answer is incorrect.


Rhomboids is innervated by the dorsal scapular nerve, which arises from the root of C5 in the brachial plexus  (See References)

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E) brachialis

This answer is incorrect.


Brachialis is innervated by the musculocutaneous nerve  (See References)

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References:

1. Guarantors of Brain. (2000). Aids to the Examination of the Peripheral Nervous System, fourth edition. W.B. Saunders, Edinburgh.
2. Moore, K.L. (1992). Clinical Oriented Anatomy, 3rd Edition. Williams & Wilkins, Baltimore.
3. Preston, D.C., and Shapiro, B.E. (2005). Electromyography and Neuromuscular Disorders: Clinical-Electrophysiologic Correlations, 2nd Edition. Elsevier, Philadelphia.
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anatomy
Muscles innervated by the median nerve
Question ID: 809200601
Question written by . (C) FrontalCortex.com 2006-2009, all rights reserved. Created: 08/09/2006
Modified: 12/31/1969
Estimated Permutations: 0

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