Lower extremity muscle function and innervation 1

Topic: Pharmacology

Created on Monday, September 18 2006 by

Last modified on Monday, September 18 2006.

 
        A) S1 and S2
 
        B) L1 and L2
 
        C) L3 and L4
 
        D) L2 and L3
 
        E) L5 and S1
 

 

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This question was created on September 18, 2006 by .
This question was last modified on September 18, 2006.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ANSWERS AND EXPLANATIONS

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A) S1 and S2

This answer is incorrect.

S1 and S2 are the spinal segments which most strongly affect ankle plantarflexion.  (See References)

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B) L1 and L2

This answer is correct.

Hip flexion is most strongly affected by the L1 and L2 spinal segments.  (See References)

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C) L3 and L4

This answer is incorrect.

L3 and L4 are the spinal segments which most strongly affect knee extension.  (See References)

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D) L2 and L3

This answer is incorrect.

L2 and L3 are the spinal segments which most strongly affect hip adduction.  (See References)

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E) L5 and S1

This answer is incorrect.

L5 and S1 are the spinal segments which most strongly affect hip extension.  (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.

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pharmacology
Lower extremity muscle function and innervation 1
Question ID: 69181
Question written by . (C) FrontalCortex.com 2006-2009, all rights reserved. Created: 09/18/2006
Modified: 09/18/2006
Estimated Permutations: 0