In a patient with sciatica, which motor sign may be the only indication of an L5 root lesion?

Author: Alexander Z
1.6. Peripheral nervous system and spinal cord
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August 24, 2024

In a patient with sciatica, which motor sign may be the only indication of an L5 root lesion?

A: Weakness of ankle dorsiflexion

B: Decreased hip abduction strength

C: Impaired knee extension

D: Weakness of great toe extension

In cases of sciatica, an L5 root lesion can manifest primarily as weakness in the extension of the great toe. This isolated motor sign may be the key indicator of nerve involvement at the L5 level.

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In a patient with sciatica, which motor sign may be the only indication of an L5 root lesion?

In a patient with sciatica, which motor sign may be the only indication of an L5 root lesion?

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