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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 L4 spinal roots?
A) Extensor hallucis longus B) Adductors C) Gluteus maximus D) Tibialis anterior E) Ilipsoas
This question was created on September 18, 2006 by .
This question was last modified on September 18, 2006.
ANSWERS AND EXPLANATIONS
A) extensor hallucis longus
This answer is incorrect.
The L4 spinal segments are the segments which most strongly innervate the tibialis anterior. ( See References)
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B) adductors
This answer is incorrect.
The L4 spinal segments are the segments which most strongly innervate the tibialis anterior. ( See References)
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C) gluteus maximus
This answer is incorrect.
The L4 spinal segments are the segments which most strongly innervate the tibialis anterior. ( See References)
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D) tibialis anterior
This answer is correct.
The tibialis anterior muscle is most strongly innervated by the L4 spinal segments. ( See References)
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E) ilipsoas
This answer is incorrect.
The L4 spinal segments are the segments which most strongly innervate the tibialis anterior. ( 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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