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Lower extremity muscle function and innervation 2Topic: PharmacologyCreated on Monday, September 18 2006 by
Last modified on Monday, September 18 2006.
Which muscle or muscles would be most affected by a lesion of the S1 and S2 spinal roots?
A) Ilipsoas B) Tibialis anterior C) Quadriceps D) Adductors E) Gastrocnemius and soleus
This question was created on September 18, 2006 by .
This question was last modified on September 18, 2006.
ANSWERS AND EXPLANATIONS
A) ilipsoas
This answer is incorrect.
The S1 and S2 spinal segments are the segments which most strongly innervate the gastrocnemius and soleus. ( See References)
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B) tibialis anterior
This answer is incorrect.
The S1 and S2 spinal segments are the segments which most strongly innervate the gastrocnemius and soleus. ( See References)
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C) quadriceps
This answer is incorrect.
The S1 and S2 spinal segments are the segments which most strongly innervate the gastrocnemius and soleus. ( See References)
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D) adductors
This answer is incorrect.
The S1 and S2 spinal segments are the segments which most strongly innervate the gastrocnemius and soleus. ( See References)
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E) gastrocnemius and soleus
This answer is correct.
The gastrocnemius and soleus are most strongly affected by the S1 and S2 spinal segments. ( 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 2
Question ID: 69182
Question written by . (C) FrontalCortex.com 2006-2009, all rights reserved.
Created: 09/18/2006
Modified: 09/18/2006
Estimated Permutations: 0
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