Lower extremity muscle function and innervation 1

Topic: Pharmacology

Created on Monday, September 18 2006 by

Last modified on Monday, September 18 2006.

 
        A) Ankle eversion
 
        B) Hip flexion
 
        C) Extension of the great toe
 
        D) Ankle plantarflexion
 
        E) Ankle dorsiflexion
 

 

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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) ankle eversion

This answer is incorrect.

L5 and S1 are the spinal segments which most strongly affect ankle eversion.  (See References)

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B) hip flexion

This answer is incorrect.

L1 and L2 are the spinal segments which most strongly affect hip flexion.  (See References)

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C) extension of the great toe

This answer is incorrect.

L5 and S1 are the spinal segments which most strongly affect extension of the great toe.  (See References)

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D) ankle plantarflexion

This answer is incorrect.

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

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E) ankle dorsiflexion

This answer is correct.

Ankle dorsiflexion is most strongly affected by the L4 spinal segment.  (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