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MSK > Hypothenar muscles > Flashcards

Hypothenar muscles Flashcards

1
Q

What are the hypothenar muscles

A

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

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2
Q

Origin of opponens digiti minimi

A

Hook of hamate and associated flexor retinaculum

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3
Q

Attachment of opponens digiti minimi

A

Medial margin of metacarpal 5

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4
Q

Action of opponens digiti minimi

A

Opposes little finger by lateral rotation of metacarpal 5

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5
Q

Origin of abductor digiti minimi

A

Pisiform and tendon of flexor carpi ulnaris

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6
Q

Attachment of abductor digiti minimi

A

Base of proximal phalanx of little finger

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7
Q

Action of abductor digiti minimi

A

Abducts little finger

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8
Q

Origin of flexor digiti minimi brevis

A

Hook of hamate and associated flexor retinaculum

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9
Q

Attachment of flexor digiti minimi brevis

A

Base of proximal phalanx of little finger

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10
Q

Action of flexor digiti minimi brevis

A

Flexes the MCP joint of little finger

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11
Q

Innervation of hypothenar muscles

A

Ulnar nerve

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MSK (87 decks)

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