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Human Anatomy and Histology > Exam 1 Muscles > Flashcards

Exam 1 Muscles Flashcards

1
Q

anterior sternal end of the clavicle, sternum, ribs 1-6, aponeurosis of the external oblique

A

Pectoralis major origin

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2
Q

crest of the greater tubercle of the humerus

A

Pectoralis major insertion

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3
Q

lateral and medial pectoral nerve

A

Pectoralis major nerve

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4
Q

adducts, flexes, extends (when it is flexed, not backwards extension), and medially rotates arm

A

Pectoralis major action

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5
Q

rips 3-5 (costochondral junction)

A

Pectoralis minor origin

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6
Q

coracoid process

A

Pectoralis minor insertion

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7
Q

medial pectoral

A

Pectoralis minor nerve

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8
Q

depresses scapula, elevate ribs (stabilizes scapula by drawing it inferiorly and anteriorly against the thoracic wall)

A

Pectoralis minor action

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9
Q

1st rib (costochondral junction)

A

Subclavius origin

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10
Q

inferior acromial end of clavicle

A

Subclavius insertion

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11
Q

subclavian

A

Subclavius nerve

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12
Q

flexes clavicle or elevates 1st rib

A

Subclavius action

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13
Q

ribs 1-8(9)

A

Serratus anterior origin

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14
Q

deep medial border of the scapula

A

Serratus anterior insertion

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15
Q

long thoracic

A

Serratus anterior nerve

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16
Q

rotate and protract scapula (pulls medial border forward), elevate ribs, it is the deepest scapula muscle

A

Serratus anterior action

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17
Q

occipital protuberance through T12 nuchal ligament

A

Trapezius origin

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18
Q

superior margin of scapular spine and anterior acromial end of the clavicle

A

Trapezius insertion

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19
Q

accessory and cervical plexus

A

Trapezius nerve

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20
Q

rotate scapula, abduct and extend head

A

Trapezius action

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21
Q

transverse processes C1-4

A

Levator scapulae origin

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22
Q

superior angle of scapula

A

Levator scapulae insertion

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23
Q

dorsal scapular

A

Levator scapulae nerve

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24
Q

elevate scapula

A

Levator scapulae action

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25
Q

spinous processes C7-T1

A

Rhomboideus minor origin

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26
Q

medial border of scapula at spine

A

Rhomboideus minor insertion

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27
Q

dorsal scapular

A

Rhomboideus minor nerve

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28
Q

retracts and elevates scapula

A

Rhomboideus minor action

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29
Q

spinous processes T1-4

A

Rhomboideus major origin

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30
Q

medial border of scapula inferior to spine

A

Rhomboideus major insertion

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31
Q

dorsal scapular

A

Rhomboideus major nerve

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32
Q

retracts and rotates scapula

A

Rhomboideus major action

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33
Q

supraspinous fossa

A

Supraspinatus origin

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34
Q

greater tubercle of humerus

A

Supraspinatus insertion

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35
Q

suprascapular

A

Supraspinatus nerve

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36
Q

abducts arm (reach to back of head)

A

Supraspinatus action

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37
Q

infraspinous fossa

A

Infraspinatus origin

38
Q

greater tubercle of humerus

A

Infraspinatus insertion

39
Q

suprascapular

A

Infraspinatus nerve

40
Q

extends and laterally rotates arm

A

Infraspinatus action

41
Q

middle 1/3 of lateral border of scapula

A

Teres minor origin

42
Q

greater tubercle of humerus

A

Teres minor insertion

43
Q

axillary

A

Teres minor nerve

44
Q

adducts and extends and laterally rotates arm

A

Teres minor action

45
Q

subscapular fossa

A

Subscapularis origin

46
Q

lesser tubercle of humerus

A

Subscapularis insertion

47
Q

subscapular (upper and lower)

A

Subscapularis nerve

48
Q

rotates arm medially (toward belly)

A

Subscapularis action

49
Q

spinous process of T7-12, L1-5, median ridge of sacrum and iliac crest (overlaps with trapezius T7-12; trapezius is superficial; occasionally originates at inferior scapula)

A

Latissimus dorsi origin

50
Q

crest of lesser tubercle of humerus

A

Latissimus dorsi insertion

51
Q

thoracodorsal

A

Latissimus dorsi nerve

52
Q

adduct, extend, medially rotate arm

A

Latissimus dorsi action

53
Q

inferior 1/3 of lateral border of scapula

A

Teres major origin

54
Q

crest of lesser tubercle humerus

A

Teres major insertion

55
Q

lower subscapular

A

Teres major nerve

56
Q

adducts, extends, medially rotates arm

A

Teres major action

57
Q

lateral clavicle, acromion process, spine of scapula

A

Deltoid origin

58
Q

deltoid tuberosity

A

Deltoid insertion

59
Q

axillary

A

Deltoid nerve

60
Q

abduct, flex, extend, and rotate arm

A

Deltoid action

61
Q

coracoid process

A

Coracobrachialis origin

62
Q

mid medial border of humerus

A

Coracobrachialis insertion

63
Q

musculocutaneous

A

Coracobrachialis nerve

64
Q

adducts and flexes arm

A

Coracobrachialis action

65
Q

coracoid process

A

Coracobrachialis origin

66
Q

mid medial border of humerus

A

Coracobrachialis insertion

67
Q

musculocutaneous

A

Coracobrachialis nerve

68
Q

adducts and flexes arm

A

Coracobrachialis action

69
Q

long head: supraglenoid tubercles; short head: coracoid process

A

Biceps brachii origin

70
Q

radial tuberosity (primary), bicipital aponeurosis (secondary)

A

Biceps brachii insertion

71
Q

musculocutaneous

A

Biceps brachii nerve

72
Q

flex and supinate forearm; flex and adduct arm

A

Biceps brachii action

73
Q

inferior 2/3 of anterior surface of humerus

A

Brachialis origin

74
Q

coronoid process of ulna

A

Brachialis insertion

75
Q

musculocutaneous

A

Brachialis nerve

76
Q

flex forearm

A

Brachialis action

77
Q

long head: lateral border of scapula; lateral head: posterior surface of the humerus; medial head: posterior surface of the humerus

A

Triceps brachii origin

78
Q

olecranon of ulna

A

Triceps brachii insertion

79
Q

radial

A

Triceps brachii nerve

80
Q

extend forearm; extend and adduct arm

A

Triceps brachii action

81
Q

superior from highest rib to next lowest

A

External intercostals origin

82
Q

next lowest rib (each muscle only extends between 2 ribs)

A

External intercostals insertion

83
Q

intercostal

A

External intercostals nerve

84
Q

elevate ribs during inspiration

A

External intercostals action

85
Q

superior from highest rib to next lowest

A

Internal intercostals origin

86
Q

next lowest rib (each muscle only extends between 2 ribs

A

Internal intercostals insertion

87
Q

depresses ribs during expiration

A

Internal intercostals function

88
Q

Xiphoid process and inferior sternum

A

Transverse thoracics origin

89
Q

costal cartilage 2-6

A

Transverse thoracics insertion

90
Q

intercostal

A

Transverse thoracics nerve

91
Q

expiration (narrows the chest)

A

Transverse thoracics action

92
Q

part of internal intercostals

A

Innermost intercostals

Human Anatomy and Histology (9 decks)

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