Hypothenar muscles Flashcards Preview

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Flashcards in Hypothenar muscles Deck (11):
1

What are the hypothenar muscles

Opponens digiti minimi,
Abductor digiti minimi,
Flexor digiti minimi brevis

2

Origin of opponens digiti minimi

Hook of hamate and associated flexor retinaculum

3

Attachment of opponens digiti minimi

Medial margin of metacarpal 5

4

Action of opponens digiti minimi

Opposes little finger by lateral rotation of metacarpal 5

5

Origin of abductor digiti minimi

Pisiform and tendon of flexor carpi ulnaris

6

Attachment of abductor digiti minimi

Base of proximal phalanx of little finger

7

Action of abductor digiti minimi

Abducts little finger

8

Origin of flexor digiti minimi brevis

Hook of hamate and associated flexor retinaculum

9

Attachment of flexor digiti minimi brevis

Base of proximal phalanx of little finger

10

Action of flexor digiti minimi brevis

Flexes the MCP joint of little finger

11

Innervation of hypothenar muscles

Ulnar nerve

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