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Anatomy > Chapter 50 > Flashcards

Chapter 50 Flashcards

1
Q

Pectoral region muscles (3)

A

Pectoralis major m
Pectoralis minor m
Serratus anterior m.

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2
Q

Pectoralis major action

A

Adduct, medially rotate and flex arm at shoulder

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3
Q

Pectoralis major innervation

A

Medial pectoral n

Lateral pectoral n

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4
Q

Pectoralis minor action

A

Depress scapula

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5
Q

Pectoralis minor innervation

A

Medial pectoral n

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6
Q

Serratus anterior action

A

Upward rotation of the scapula

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7
Q

Serratus anterior innervation

A

Long thoracic n

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8
Q

Muscles of the shoulder (6)

A 
Deltoid
Supraspinatus
Infraspinatus
Teres minor 
Subscapularis
Teres major
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9
Q

Action of the deltoid

A

Flex, extend, medially AND literally rotate, abduct arm at shoulder

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10
Q

Deltoid innervation

A

Axillary n

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11
Q

Supraspinatus action

A

Abduct arm at shoulder

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12
Q

Supraspinatus innervation

A

Suprascapular nerve

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13
Q

Infraspinatous muscle action

A

Lateral rotation of arm at shoulder

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14
Q

Infraspinatus m innervation

A

Suprascapular n

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15
Q

Teres minor action

A

Lateral rotation of the arm at shoulder

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16
Q

Teres minor innervation

A

Axillary n

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17
Q

Subscapularis action

A

Medial rotation of arm at shoulder

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18
Q

Subscapularis m innervation

A

Upper and lower subscapular nerves

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19
Q

Teres major action

A

Adduct and medially rotate arm at shoulder

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20
Q

Teres major innervation

A

Lower subscapular nerve

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21
Q

Arm muscles (4)

A

Triceps brachii
Biceps brachii
Coracobrachialis
Brachialis

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22
Q

Triceps brachii action

A

Extend forearm at elbow

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23
Q

Biceps brachii action

A

Flex and supinate forearm at elbow

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24
Q

Triceps brachii innervation

A

Radial n

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25
Q

Biceps brachii innervation

A

Musculocutaneous n

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26
Q

Coracobrachialis action

A

Flex arm at shoulder

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27
Q

Coracobrachialis action

A

Flex arm at shoulder

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28
Q

Coracobrachialis innervation

A

Musculocutaneous nerve

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29
Q

Brachialis action

A

Flex forearm at elbow

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30
Q

Brachialis innervation

A

Musculocutaneous

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31
Q

Anterior superficial forearm muscles (4)

A

Pronator teres m
Flexor carpi radialis m
Palmaris longus m.
Flexor carpi ulnaris m

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32
Q

Pronator teres action

A

Pronate forearm at elbow

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33
Q

Pronator teres innervation

A

Median n

34
Q

Flexor carpi radialis action

A

Flex and abduct hand at wrist

35
Q

Flexor carpi radialis innervation

A

Median nerve

36
Q

Palmaris longus action

A

Flex hand at wrist

37
Q

Palmaris longus innervation

A

Median n

38
Q

Flexor carpi ulnaris action

A

Flex and adduct hand at wrist

39
Q

Flexor carpi ulnaris innervation

A

Ulnar n

40
Q

Anterior intermediate forearm muscle

A

Flexor digitorum superficialis

41
Q

Flexor digitorum superficialis action

A

Flex digits 2-5

42
Q

Flexor digitorum superficialis innervation

A

Median n

43
Q

Anterior deep forearm muscles (3)

A

Flexor pollicis longus m
Flexor digitorum profundus m
Pronator quadratus m

44
Q

Flexor pollicis longus action

A

Flex thumb

45
Q

Flexor pollicis longus innervation

A

Anterior interosseous n (AIN)

46
Q

Flexor digitorum profundus action

A

Flex digits 2-5

47
Q

Flexor digitorum profundus innervation

A 
AIN (lateral)
Ulnar n (medial)
48
Q

Pronator quadratus action

A

Pronate hand at wrist

49
Q

Pronator quadratus innervation

A

AIN (anterior interosseous n)

50
Q

Posterior superficial forearm muscles (7)

A 
Brachioradialis m
Extensor carpi radialis longus m
Extensor carpi radialis brevis m
Extensor digitorum m
Extensor digiti minimi m
Extensor carpi ulnaris m
Anconeus m
51
Q

Brachioradialis action

A

Flex forearm at elbow

52
Q

Brachioradialis innervation

A

Radial n

53
Q

Extensor carpi radialis brevis action

A

Extend and abduct hand at wrist

54
Q

Extensor carpi radialis brevis innervation

A

Deep branch of radial n

55
Q

Extensor carpi radialis longus action

A

Extend and abduct hand at wrist

56
Q

Extensor carpi radialis longus innervation

A

Radial n

57
Q

Extensor digitorum action

A

Extend digits 2-5

58
Q

Extensor digitorum innervation

A

Posterior interosseous n (PIN)

59
Q

Extensor digiti minimi action

A

Extend digit 5

60
Q

Extensor digiti minimi innervation

A

PIN

61
Q

Extensor carpi ulnaris action

A

Extend and adduct hand at wrist

62
Q

Extensor carpi ulnaris innervation

A

PIN

63
Q

Anconeus action

A

Extend forearm at elbow

64
Q

Anconeus innervation

A

Radial n

65
Q

Posterior deep forearm muscles (5)

A 
Supinator m
Abductor pollicis longus m
Extensor pollicis brevis m
Extensor pollicis longus m
Extensor indicis m
66
Q

Supinator action

A

Supinate forearm at elbow

67
Q

Supinator innervation

A

PIN

68
Q

Abductor pollicis longus action

A

Abduct thumb

69
Q

Abductor pollicis longus innervation

A

PIN

70
Q

Extensor pollicis brevis action

A

Extend thumb

71
Q

Extensor pollicis longus innervation

A

PIN

72
Q

Extensor pollicis brevis action

A

Extend thumb

73
Q

Extensor pollicis brevis innervation

A

PIN

74
Q

Extensor pollicis longus action

A

Extend thumb

75
Q

Extensor pollicis longus innervation

A

PIN

76
Q

Extensor indicis action

A

Extend index finger

77
Q

Extensor indicis innervation

A

PIN

78
Q

Thenar hand muscles

A

Abductor pollicis brevis m
Flexor pollicis brevis m
Opponens pollicis m
Adductor pollicis m

79
Q

Hypothenar hand muscles (4)

A

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

80
Q

Small hand muscles

A

Lumbricals 1-4
Dorsal interossei 1-4
Palmar interossei 1-4

Anatomy (13 decks)

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