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Gross Anatomy > MOINA Intrinsic Hand Muscles > Flashcards

MOINA Intrinsic Hand Muscles Flashcards

1
Q

(O) Palmaris brevis

A

Flexor retinaculum & palmar aponeurosis

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2
Q

(I) Palmaris brevis

A

Skin of palm

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3
Q

(N) Palmaris brevis

A

Superficial branch of ulnar nerve

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4
Q

(O) Lumbricals [4]

A

Tendons of flexor digitorum profundus

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5
Q

(I) Lumbricals [4]

A

Extensor expansion of medial 4 fingers

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6
Q

(N) Lumbricals [4]

A

1st and 2nd, medial nerve

3rd and 4th, deep branch of ulnar nerve

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7
Q

(A) Lumbricals [4]

A

Flex metacarpophalangeal joints and extend interphalangeal joints of fingers except thumb

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8
Q

(O) Palmar [4]

A

1st arises from base of 1st metacarpal

Remaining three from anterior surface of shafts of 2nd, 4th & 5th metacarpals

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9
Q

(I) Palmar [4]

A

Proximal phalanges of thumb & index, ring & middle fingers, and dorsal extensor expansion of each finger

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10
Q

(A) Palmar [4]

A

Palmar interossei adduct fingers toward center of 3rd finger

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11
Q

(N) Palmar [4]

A

Deep branch of ulnar nerve

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12
Q

(O) Dorsal [4]

A

Contiguous sides of shafts of metacarpal bones

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13
Q

(I) Dorsal [4]

A

Proximal phalanges of index, ring & middle fingers, and dorsal extensor expansion

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14
Q

(N) Dorsal [4]

A

Deep branch of ulnar nerve

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15
Q

(A) Dorsal [4]

A

Dorsal interossei abduct fingers from center of 3rd finger; both palmar and dorsal flex metacarpophalangeal joints and extend interphalangeal joints

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16
Q

(O) Abductor pollicis brevis

A

Scaphoid, trapezium, flexor retinaculum

17
Q

(I) Abductor pollicis brevis

A

Base of proximal phalanx of thumb

18
Q

(N) Abductor pollicis brevis

A

Median nerve

19
Q

(O) Flexor pollicis brevis

A

Flexor retinaculum

20
Q

(I) Flexor pollicis brevis

A

Base of proximal phalanx of thumb

21
Q

(N) Flexor pollicis brevis

A

Median nerve

22
Q

(A) Flexor pollicis brevis

A

Flexes metacarpophalangeal joint of thumb

23
Q

(O) Opponens pollicis

A

Flexor retinaculum

24
Q

(I) Opponens pollicis

A

Shaft of metacarpal bone of thumb

25
Q

(N) Opponens pollicis

A

Median nerve

26
Q

(O) Adductor pollicis

A

Oblique head, 2nd and 3rd metacarpals

Transverse head, 3rd metacarpal

27
Q

(I) Adductor pollicis

A

Base of proximal phalanx of thumb

28
Q

(N) Adductor pollicis

A

Deep branch of ulnar nerve

29
Q

(O) Abductor digiti minimi

A

Pisiform bone

30
Q

(I) Abductor digiti minimi

A

Base of proximal phalanx of little finger

31
Q

(O) Flexor digiti minimi

A

Flexor retinaculum

32
Q

(I) Flexor digiti minimi

A

Base of proximal phalanx of little finger

33
Q

(O) Opponens digiti minimi

A

Flexor retinaculum

34
Q

(I) Opponens digiti minimi

A

Medial border of 5th metacarpal

35
Q

(A) Opponens digiti minimi

A

Pulls 5th metacarpal forward as in cupping the palm

Gross Anatomy (4 decks)

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