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Anatomy Unit 3 > Ch 50 Summarized Musculature of the UL > Flashcards

Ch 50 Summarized Musculature of the UL Flashcards

1
Q

Muscles of the Pectoral Region

A

Pec major
pec minor
serratus anterior

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2
Q

Action of pec major

A

adduct, medially rotate and flex arm at shoulder

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3
Q

innervation of pec major

A

medial pectoral nerve

lateral pectoral nerve

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4
Q

action of pectoralis minor

A

depress scapula

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5
Q

innervation of pectorals minor

A

medial pectoral nerve

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6
Q

action of serratus anterior

A

upward rotation of the scapula

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7
Q

Innervation of serratus anterior

A

long thoracic nerve

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8
Q

Muscles of the shoulder

A 
Deltoid
Supraspinatus
Infraspinatus
Teres minor
Subscapularis 
Teres major
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9
Q

Rotator Cuff Muscles

A

Supraspinatus
Infraspinatus
Teres minor
Subscapularis

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10
Q

Action of Deltoid

A

Flex, extend, medially and laterally rotate, and abduct the arm at the shoulder

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11
Q

Innervation of deltoid

A

axillary nerve

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12
Q

Action of supraspinatus muscle

A

abduct the arm at the shoulder

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13
Q

innervation of supraspinatus muscle

A

suprascapular nerve

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14
Q

action of infraspinatus muscle

A

lateral rotation of the arm at the shoulder

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15
Q

innervation of the infraspinatus muscle

A

suprascapular nerve

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16
Q

action of teres minor

A

lateral rotation of the arm at the shoulder

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17
Q

innervation of teres minor

A

axillary nerve

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18
Q

action of subscapularis

A

medial rotation of the arm at the shoulder

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19
Q

innervation of subscapularis

A

upper and lower subscapular nerves

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20
Q

action of the teres major muscles

A

adduct and medially rotate the arm at the shoulder

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21
Q

innervation off the teres major muscle

A

lower subscapular nerve

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22
Q

muscles of the arm

A

Triceps brachii
Biceps brachii
Coracobrachialis
Brachialis

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23
Q

The triceps brachii consists of a

A

long head
lateral head
medial head

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24
Q

action of the triceps brachii

A

extend forearm at elbow

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25
Q

innervation of triceps brachii

A

radial nerve

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26
Q

the biceps brachii consists of a

A

long head

short head

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27
Q

action of biceps brachii

A

flex and supinate forearm at elbow

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28
Q

innervation of biceps brachii

A

musculocutaneous nerve

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29
Q

action of coracobrachialis

A

flex arm at shoulder

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30
Q

innervation of coracobrachialis

A

musculocutaneous nerve

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31
Q

action of the brachialis muscle

A

flex forearm at the elbow

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32
Q

innervation of brachialis

A

musculocutaneous

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33
Q

Anterior Superficial Forearm Muscles

A

Pronator Teres
Flexor Carpi Radialis
Palmaris Longus
Felxor Carpi Ulnaris

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34
Q

action of pronator teres

A

pronate forearm at elbow

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35
Q

innervation of pronator teres

A

median nerve

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36
Q

action of flexor carpi radialis

A

flex and abduct hand at wrist

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37
Q

innervation of flexor carpi radialis

A

median nerve

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38
Q

action of palmaris longs muscle

A

flex hand at wrist

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39
Q

innervation of palmaris longus

A

median nerve

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40
Q

action of flexor carpi ulnaris

A

flex and adduct hand at wrist

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41
Q

innervation of flexor carpi ulnas

A

ulnar nerve

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42
Q

Anterior Intermediate Forearm Muscles

A

Flexor digitorum superficialis

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43
Q

action of flexor digitorum superficialis

A

flex digits 2-5

44
Q

innervation of flexor digitorum superficialis

A

median nerve

45
Q

Anterior Deep Forearm Muscles

A

Flexor pollicis longus
Flexor digitorum profundus
Pronator Quadratus

46
Q

Action of flexor pollicis longus

A

flex thumb

47
Q

innervation of flexor pollicis longus

A

AIN

48
Q

action of flexor digitorum profundus

A

flex digits 2-5

49
Q

innervation of flexor digitorum profundus

A

AIN

Ular nerve

50
Q

Action of pronator quadratus

A

pronate hand at wrist

51
Q

Innervation of pronator quadratus

A

AIN

52
Q

Posterior Superficial Forearm Muscles

A 
Brachioradialis
Extensor carpi radialis longus
Extensor carpi radialis brevis
Extensor digitorum 
Extensor digiti minimi 
Extensor carpi ulnaris
Anconeus
53
Q

Action of brachioradialis

A

flex forearm at elbow

54
Q

innervation of brachioradialis

A

radial n

55
Q

action of extensor carpi radialis longus

A

extend and abduct hand at wrist

56
Q

innervation of extensor carpi radialis longus

A

radial nerve

57
Q

action of extensor carpi radialis brevis

A

extend and abduct hand at wrist

58
Q

innervation of extensor carpi radialis brevis

A

deep branch of radial nerve

59
Q

action of extensor digitorum

A

extend digits 2-5

60
Q

innervation of extensor digitorum

A

PIN

61
Q

action of extensor digiti minimi

A

extend digit 5

62
Q

innervation of extensor digiti minimi

A

PIN

63
Q

action of extensor carpi ulnaris

A

Extend and adduct hand at wrist

64
Q

innervation of extensor carpi ulnaris

A

PIN

65
Q

action of Aconeus

A

extend forearm at elbow

66
Q

innervation of anconeus

A

radial nerve

67
Q

posterior deep forearm muscles

A 
supinator 
abductor pollicis longus 
extensor pollicis brevis
extensor pollicis longus
extensor indicis muscle
68
Q

action of supinator

A

supinate forearm at elbow

69
Q

innervation of supinator muscle

A

PIN

70
Q

action of abdutor pollicis longus

A

abduct thumb

71
Q

innervation of abductor polliicis longus

A

PIN

72
Q

action of extensor pollicis brevis

A

extend thumb

73
Q

innervation of extensor pollicis brevis

A

PIN

74
Q

action of extensor pollicis longus (hockey stick)

A

extend thumb

75
Q

innervation of extensor pollicis longus

A

PIN

76
Q

action of extensor indicis

A

extend index finger

77
Q

innervation of extensor indicis

A

PIN

78
Q

Groups of hand muscles

A

Thenar
Hypothenar
Small hand muscles

79
Q

Thenar muscles of the hand

A

A\bductor pollicis brevis
Flexor pollicis brevis
Opponens pollicis
Adductor Pollicis

80
Q

Hypothenar muscles of the hand

A

Abductor digiti minimi
Flexor digiti minimi brevis
Opponens digiti minimi
Palmaris brevis

81
Q

Small hand muscles

A

Lubricals 1-4
Dorsal interossei 1-4
Palmar interossei 1-4

82
Q

Muscles innervated by the medial pectoral nerve

A

pectoralis major

pectoralis minor

83
Q

muscles innervated by axillary nerve

A

deltoid

teres minor

84
Q

muscles innervated by suprascapular nerve

A

supraspinatus

infraspinatus

85
Q

muscles innervated by lower subscapular

A

subscapularis

teres major

86
Q

Muscles innervated by radial nerve

A

triceps brachii
brachioradialis
extensor carpi radialis longus
anconeus

87
Q

muscles innervated by musculocutaneous nerve

A

biceps brachii
coracobrachialis
brachials

88
Q

Muscles innervated by median nerve

A

Pronator teres
Flexor carpi tadialis
Palmaris longus
Flexor digitorum superficialis

89
Q

Muscles innervated by ulnar nerve

A

Flexor carpi ulnaris

Flexor digitorum profundus

90
Q

Muscles innervated by AIN

A

Flexor pollicis longus
Flexor digitorum profundus
Pronator quadratus

91
Q

Muscles innervated by PIN

A 
Extensor Digitorum 
Extensor digiti minimi 
Extensor carpi ulnaris
Supinator
Abductor Pollicus Longus
Extensor pollicis brevis
Extensor pollicis longus
extensor indicis
92
Q

muscles that flex hand at wrist (3)

A

Flexor carpi radialis
Palmaris longus
Flexor carpi ulnaris

93
Q

muscles that adduct hand at wrist

A

flexor carpi ulnaris

extensor carpi ulnaris

94
Q

muscles that abduct hand at the wrist

A

flexor carpi radialis
extensor carpi radialis longus
extensor carpi radialis brevis

95
Q

muscles that flex digits 2-5

A

flexor digitorum superficialis

flexor digitorum profundus

96
Q

muscles that flex digit 5

A

flexor digitorum superficialis

flexor digitorum profundus

97
Q

muscles that extend hand at wrist

A

extensor carpi radialis longus
extensor carpi radialis brevis
extensor carpi ulnaris

98
Q

muscles that extend digit 5

A

extensor digiti minimi

extensor digitorum

99
Q

muscles that extend thumb

A

extensor pollicis brevis

extensor pellicis longus

100
Q

muscles that adduct the arm at the shoulder

A

pec major

teres major

101
Q

muscles that medially rotate arm at the shoulder

A

pectoralis major
deltoid
subscapularis
teres major

102
Q

muscles that flex arm at shoulder

A

pec major
coracobrachials
deltoid

103
Q

laterally rotate arm at the shoulder

A

infraspinatus
teres minor
deltoid

104
Q

abduct arm at shoulder

A

suprasinatus

deltoid

105
Q

muscles that extend forearm at elbow

A

triceps brachii

anconeus

106
Q

muscles that flex forearm at elbow

A

biceps brachii
brachialis
brachioradialis

107
Q

muscles that supinate forearm at elbow

A

biceps brachii

supinator

Anatomy Unit 3 (11 decks)

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