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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.
A patient presents with weakness of the hamstrings. Which of the following spinal root segments represents the minimum lesion required to cause this deficit?
A) S1 and S2 B) S1 C) L1 and L2 D) L4 E) L3 and L4
This question was created on September 18, 2006 by .
This question was last modified on September 18, 2006.
ANSWERS AND EXPLANATIONS
A) S1 and S2
This answer is incorrect.
The S1 spinal segments are the segments which most strongly innervate the hamstrings. ( See References)
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B) S1
This answer is correct.
The hamstrings are most strongly affected by the S1 spinal segments. ( See References)
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C) L1 and L2
This answer is incorrect.
The S1 spinal segments are the segments which most strongly innervate the hamstrings. ( See References)
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D) L4
This answer is incorrect.
The S1 spinal segments are the segments which most strongly innervate the hamstrings. ( See References)
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E) L3 and L4
This answer is incorrect.
The S1 spinal segments are the segments which most strongly innervate the hamstrings. ( 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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