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Muscles innervated by the radial 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 radial nerve?

 
        A) Latissimus dorsi
 
        B) Lumbricals II
 
        C) Extensor indicis
 
        D) Flexor digitorum profundus I
 
        E) Flexor digitorum profundus IV
 

 


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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) latissimus dorsi

This answer is incorrect.


Latissimus dorsi is innervated by the thoracodorsal nerve, which arises from the brachial plexus  (See References)

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B) lumbricals II

This answer is incorrect.


Lumbricals II is innervated by the median nerve  (See References)

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C) extensor indicis

This answer is correct.


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

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D) flexor digitorum profundus I

This answer is incorrect.


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

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E) flexor digitorum profundus IV

This answer is incorrect.


Flexor digitorum profundus IV is innervated by the ulnar 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 radial nerve
Question ID: 809200602
Question written by . (C) FrontalCortex.com 2006-2009, all rights reserved. Created: 08/09/2006
Modified: 12/31/1969
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