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Anatomy > Muscles of Hand (Dorsal/Palmar) > Flashcards

Muscles of Hand (Dorsal/Palmar) Flashcards

1
Q

Palmar Interosseus/Palmar Interossei (Origin & Insertion)

A

O: Diaphysis of Mc II, IV, & V
I: Proximal phalanges of dig II, IV, & V & extensor expansions

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2
Q

Palmar Interosseus/Palmar Interossei (Actions)

A

Adduct digit II, IV, & V

Flex McP joints & extend IP joints

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3
Q

Palmar Interosseus/Palmar Interossei (Nerve & Artery)

A

N: Ulnar N
A: Superficial & deep arterial arches, Mc, & palmar digital Aa

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4
Q

Adductor Pollicis (Origin & Insertion)

A

O: Along Mc II diaphysis & adjacent carpals
I: Base of prox phalanx of pollex

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5
Q

Adductor Pollicis (Actions)

A

Adducts pollex

Helps oppose pollex

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6
Q

Adductor Pollicis (Nerve & Artery)

A

N: Ulnar N
A: Superficial & deep arterial arches, Mc, & palmar digital Aa

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7
Q

Lumbricals (Origin & Insertion)

A

O: Distal tendon of Flexor digitorum profundus
I: Extensor expansions of dig II-V

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8
Q

Lumbricals (Actions)

A

Flex McP joints of digits II-V

Extend IP joints of digits II-V

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9
Q

Lumbricals (Nerve & Insertion)

A

N: Median & Ulnar Nn
A: Superficial & deep arterial arches, Mc, & palmar digital Aa

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10
Q

Dorsal Interosseus/Dorsal Interossei (Origin & Insertion)

A

O: Adjacent Mc I-V
I: Proximal phalanges of dig II-IV & extensor exspansions

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11
Q

Dorsal Interosseus/Dorsal Interossei (Actions)

A

Abducts dig II-IV,

Flex McP joints & extend IP joints

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12
Q

Dorsal Interosseus/Dorsal Interossei (Nerve & Artery)

A

N: Ulnar N
A: Superficial & deep arterial arches, Mc, & palmar digital Aa

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13
Q

Opponens Digiti Minimi (Origin & Insertion)

A

O: Flexor retinaculum & hook of hamate
I: Along Mc V diaphysis

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14
Q

Opponens Digiti Minimi (Actions)

A

Opposes dig V

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15
Q

Opponens Digiti Minimi (Nerve & Artery)

A

N: Ulnar N
A: Superficial & deep arterial arches, Mc, & palmar digital Aa

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16
Q

Abductor Digiti Minimi (Origin & Insertion)

A

O: Pisiform
I: Base of proximal phalanx of dig V

17
Q

Abductor Digiti Minimi (Actions)

A

Abducts & flexes dig V

18
Q

Abductor Digiti Minimi (Nerve & Artery)

A

N: Ulnar N
A: Superficial & deep arterial arches, Mc, & palmar digital Aa

19
Q

Flexor Pollicis Brevis (Origin & Insertion)

A

O: Flexor retinaculum, scaphoid, & trapezium
I: Basal sides of proximal phalanx of pollex

20
Q

Flexor Pollicis Brevis (Actions)

A

Flexes pollex

21
Q

Flexor Pollicis Brevis (Nerve & Insertion)

A

N: Recurrent branch of median N
A: Superficial & deep arterial arches, Mc, & palmar digital Aa

22
Q

Opponens Pollicis (Origin & Insertion)

A

O: Flexor retinaculum, scaphoid, & trapezium
I: Length of Mc I diaphysis

23
Q

Opponens Pollicis (Actions)

A

Opposes pollex

24
Q

Oppoens Pollicis (Nerve & Insertions)

A

N: Recurrent branch of median N
A: Superficial & deep arterial arches, Mc, & palmar digital Aa

25
Q

Extensor Pollicis Brevis (Origin & Insertion)

A

O: Distal post radius & interosseus membrane
I: Base of proximal phalanx of pollex

26
Q

Extensor Pollicis Brevis (Actions)

A

Extends pollex

27
Q

Extensor Pollicis Brevis (Nerve & Insertion)

A

N: Deep radial N
A: Post interosseus A

28
Q

Palmaris Brevis (Origin & Insertion)

A

O: Ulnar side of flexor retinaculum/palmar aponeunrosis
I: Ulnar side integument of hypothenar region

29
Q

Palmaris Brevis (Actions)

A

Pulls the lat hypothenar skin medially

30
Q

Palmaris Brevis (Nerve & Artery)

A

N: Ulnar N
A: Superficial & deep arterial arches, Mc, & palmar digital Aa

31
Q

Flexor Digiti Minimi (Origin & Insertion)

A

O: Flexor retinaculum & hook of hamate
I: Base of proximal phalanx of dig V

32
Q

Flexor Digiti Minimi (Actions)

A

Flexes dig V

33
Q

Flexor Digiti Minimi (Nerve & Artery)

A

N: Ulnar N
A: Superficial & deep arterial arches, Mc, & palmar digital Aa

34
Q

Abductor Pollicis Brevis (Origin & Insertion)

A

O: Flexor retinaculum, scaphoid, & trapezum
I: Lat base of prox phalanx of pollex

35
Q

Abductor Pollicis Brevis (Actions)

A

Abducts & flexes pollex

Helps oppose pollex

36
Q

Abductor Pollicis Brevis (Nerve & Artery)

A

N: Recurrent branch of median N
A: Superficial & deep arterial arches, Mc, & palmar digital Aa

Anatomy (13 decks)

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