3- Developmental Disorders Flashcards Preview

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Flashcards in 3- Developmental Disorders Deck (6)
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1

What is the commonest obstetric brachial plexus palsy?

Erb's palsy

2

Which nerve roots are affected in Erb's palsy?

C5 + C6

3

Which muscles lose their motor function as a result of C5-C6 nerve root injury?

Deltoid
Supraspinatus
Infraspinatus
Biceps
Brachialis

4

What is the classic posture sign seen in Erb's palsy?

Waiter's tip posture

5

Which nerve roots are affectedd in Klumpke's palsy (another obstetric brachial plexus palsy)?

C8 + T1

6

Which muscles are damaged in Klumpke's plexus?

Intrinsic hand muscles
Wrist/finger flexors