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Flashcards in Pathway Reviews Deck (9)
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1

Anterior White Commisure

Central cord where 2nd order pain/temp neurons cross over at level of entry in SC. so if you lesion, get bilateral loss only at that level

2

Important Point About Anterior Corticospinal Tract

Doesn't decussate in pyramid, instead control musculature where coordination b/w muscles on both sides of body important like trunk musculature

3

Babinski Test

Tests corticospinal tract/UMNs. Drag point across sole and should flex toes down. If UMNs not working get Babinksi sign, fanning of toes

4

5 Characteristics of UMN Lesions

Muscle weakness
Hypertonia and increased deep tendon reflexes
No atrophy or fasciculations

5

5 Characteristics of LMN Lesions

Muscle weakness/wasting
Hypotonia and decreased tendon reflexes
Fibrillations and fasciculations

6

VII UMN Lesion

Contralateral paralysis below eye. Ask to raise eyebrowns

7

VII LMN Lesion

Ipsilateral loss of whole face

8

XII UMN vs. LMN Lesion

UMN will go contro, LMN ipsi

9

How to test Dorsal Column Lesion (like from syphilis)

Romberg's test, won't be able to stand straight w/ eyes close bc lost some proprio