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Anatomy > Intrinsic Palmar Hand Muscles > Flashcards

Intrinsic Palmar Hand Muscles Flashcards

(60 cards)

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1
Q

Origin for abductor pollicis brevis

A

Flexor retinaculum, scaphoid, and trapezium

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2
Q

Insertion for abductor pollicis brevis

A

Proximal phalanx of thumb

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3
Q

Blood for abductor pollicis brevis

A

Superficial palmar branch of radial artery

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4
Q

Nerve for abductor pollicis brevis

A

Median nerve

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5
Q

Action for abductor pollicis brevis

A

Abducts thumb

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6
Q

Origin for flexor pollicis brevis

A

Flexor retinaculum, trapezium

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7
Q

Insertion for flexor pollicis brevis

A

Proximal phalanx of thumb

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8
Q

Blood for flexor pollicis brevis

A

Superficial palmar branch of radial artery

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9
Q

Nerve for flexor pollicis brevis

A

Median nerve

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10
Q

Action for flexor pollicis brevis

A

Flexes proximal phalanx of thumb

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11
Q

Origin for opponens pollicis

A

Flexor retinaculum, trapezium

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12
Q

Insertion for opponens pollicis

A

MC1

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13
Q

Blood for opponens pollicis

A

Superficial palmar branch of radial artery

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14
Q

Nerve for opponens pollicis

A

Median nerve

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15
Q

Action for opponens pollicis

A

Opposes thumb

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16
Q

Origin for adductor pollicis

A

MC2-3

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17
Q

Insertion for adductor pollicis

A

Proximal phalanx of thumb

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18
Q

Blood for adductor pollicis

A

Deep palmar arch of radial artery

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19
Q

Nerve for adductor pollicis

A

Ulnar nerve

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20
Q

Action for adductor pollicis

A

Adducts thumb

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21
Q

Origin for palmaris brevis

A

Palmar aponeurosis

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22
Q

Insertion for palmaris brevis

A

Skin of ulnar border of palm (hypothenar eminence)

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23
Q

Blood for palmaris brevis

A

Superficial palmar arch

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24
Q

Nerve for palmaris brevis

A

Ulnar nerve

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25
Action for palmaris brevis
Tightens the palmar aponeurosis, improves grip
26
Origin for abductor digiti minimi
Pisiform
27
Insertion for abductor digiti minimi
Proximal phalanx of digit 5
28
Blood for abductor digiti minimi
Deep palmar branch of ulnar artery
29
Nerve for abductor digiti minimi
Ulnar nerve
30
Action for abductor digiti minimi
Abducts digit 5
31
Origin for flexor digiti minimi brevis
Hook and hamate, flexor retinaculum
32
Insertion for flexor digiti minimi brevis
Proximal phalanx of digit 5
33
Blood for flexor digiti minimi brevis
Deep palmar branch of ulnar artery
34
Nerve for flexor digiti minimi brevis
Ulnar nerve
35
Action for flexor digiti minimi brevis
Flexes proximal phalanx of digit 5
36
Origin for opponens digiti minimi
Hook of hamate, flexor retinaculum
37
Insertion for opponens digiti minimi
MC5
38
Blood for opponens digiti minimi
Deep palmar branch of ulnar artery
39
Nerve for opponens digiti minimi
Ulnar nerve
40
Action for opponens digiti minimi
Opposes digit 5
41
Origin for lumbricals (1 & 2)
Lateral two tendons of flexor digitorum profundus
42
Insertion for lumbricals (1 & 2)
Extensor expansions digits 2-5
43
Blood for lumbricals (1 & 2)
Superficial and deep palmar arches
44
Nerve for lumbricals (1 & 2)
Median nerve
45
Action for lumbricals (1 & 2)
Extends digits at interphalangeal joints and flexes metacarpophalangeal joints
46
Origin for lumbricals (3 & 4)
Medial three tendons of flexor digitorum profundus
47
Insertion for lumbricals (3 & 4)
Extensor expansions digits 2-5
48
Blood for lumbricals (3 & 4)
Superficial and deep palmar arches
49
Nerve for lumbricals (3 & 4)
Ulnar nerve
50
Action for lumbricals (3 & 4)
Extends digits at interphalangeal joints and flexes metacarpophalangeal joints
51
Origin for dorsal interossei
Adjacent sides of metacarpal bones
52
Insertion for dorsal interossei
Proximal phalanx and extensor expansion of digits 2-4
53
Blood for dorsal interossei
Deep branch of ulnar artery
54
Nerve for dorsal interossei
Ulnar nerve
55
Action for dorsal interossei
Abducts digits from axial line (digit 3) of hand
56
Origin for palmar interossei
Palmar surfaces of MC2, 4, 5
57
Insertion for palmar interossei
Proximal phalanx and extensor expansion of digits 2, 4, 5
58
Blood for palmar interossei
Deep palmar arch (radial artery)
59
Nerve for palmar interossei
Ulnar nerve
60
Action for palmar interossei
Adducts digits toward axial line (digit 3) of hand

Anatomy (8 decks)

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