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Lower extremity muscle function and innervation 1Topic: PharmacologyCreated on Monday, September 18 2006 by
Last modified on Monday, September 18 2006.
Which movement would be most affected by a lesion of the L5 and S1 spinal roots?
A) Hip flexion B) Ankle eversion C) Knee flexion D) Hip adduction E) Ankle plantarflexion
This question was created on September 18, 2006 by .
This question was last modified on September 18, 2006.
ANSWERS AND EXPLANATIONS
A) 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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B) ankle eversion
This answer is correct.
Ankle eversion is most strongly affected by the L5 and S1 spinal segments. ( See References)
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C) knee flexion
This answer is incorrect.
S1 is the spinal segment which most strongly affects knee flexion. ( See References)
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D) hip adduction
This answer is incorrect.
L2 and L3 are the spinal segments which most strongly affect hip adduction. ( See References)
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E) 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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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
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