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Anatomy 2- Practical Exam > Intrinsic Muscles of the Hand > Flashcards

Intrinsic Muscles of the Hand Flashcards

1
Q

Attachments of abductor digiti minimi

A

O: pisiform and pisometacarpal ligament

I: ulnar side of proximal phalanx of little finger and DDE

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2
Q

Nerve supply of abductor digiti minimi

A

ulnar nerve T1

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3
Q

Action of abductor digiti minimi

A

abducts little finger

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4
Q

Function of abductor digiti minimi

A

gripping large object

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5
Q

Attachments of Flexor Digiti Minimi

A

O: hook of hamate and flexor retinaculum

I: base of proximal phalanx of little finger

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6
Q

Nerve supply of Flexor digiti minimi

A

Ulnar nerve T1

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7
Q

Action of Flexor Digiti minimi

A

flexes the MCP joint of little finger

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8
Q

Function of flexor digiti minimi

A

gripping object

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9
Q

Attachments of opponens digiti minimi

A

O: hook of hamate and flexor retinaculum
I: palmar surface of 5th metacarpal

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10
Q

Nerve supply of opponens digiti minimi

A

Ulnar nerve T1

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11
Q

Action of opponens digiti minimi

A

opposes little finger

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12
Q

What are the attachments of the lumbraicals?

A

O: lateral dies of the flexor digitorum profundus tendons

I: lateral edge of DDE of same finger

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13
Q

Action of the lumbricals

A

flex the MCP joint, extend the DIP and PIP joint of all fingers (duck)

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14
Q

what is the nerve supply of the lumbricals

A

lateral two - median nerve T1

medial two - ulnar nerve T1

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15
Q

Attachments of the palmar interossei

A

O: 1st and 2nd originate on medial side of respective metacarpals

3rd and 4th originate on lateral side of ring and little finger respectively

I: DDE and base of proximal phalanx of the same digit

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16
Q

Action of the palmar interossei

A

adduct all digits except the middle finger

17
Q

what is the nerve supply of the palmar interossei

A

ulnar nerve T1

18
Q

what are the attachments of the dorsal interossei?

A

O: bipennate - originate on adjecent on the sides of adjacent metacarpals

I: DDE and proximal phalanx of the appropriate finger

19
Q

what is the function of the dorsal interossei?

A

abduct the index, middle and ring fingers

20
Q

Nerve supply of the dorsal interossei

A

ulnar nerve T1

Anatomy 2- Practical Exam (17 decks)

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