Muscles innervated by the radial nerve

Topic: Anatomy

Created on Wednesday, August 9 2006 by

Last modified on Wednesday, December 31 1969.

 
        A) Rhomboids
 
        B) Brachialis
 
        C) Abductor pollicis brevis
 
        D) Triceps
 
        E) Latissimus dorsi
 

 

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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

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A) 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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B) brachialis

This answer is incorrect.

Brachialis is innervated by the musculocutaneous nerve  (See References)

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C) abductor pollicis brevis

This answer is incorrect.

Abductor pollicis brevis is innervated by the median nerve  (See References)

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D) triceps

This answer is correct.

Triceps is innervated by the radial nerve  (See References)

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E) 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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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
Estimated Permutations: 0