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Anatomy Exam 1 > Muscles (OINA) > Flashcards

Muscles (OINA) Flashcards

(84 cards)

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1
Q

pectoralis major origin

A

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

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2
Q

pectoralis major insertion

A

crest of the greater tubercle of the humerus

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3
Q

pectoralis major nerve

A

medial and lateral pectoral

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4
Q

pectoralis major action

A

adduct, flex, extend (from flex), and medially rotate the arm

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5
Q

pectoralis minor origin

A

ribs 3-5

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6
Q

pectoralis minor insertion

A

coracoid process

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7
Q

pectoralis minor nerve

A

medial pectoral

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8
Q

pectoralis minor action

A

depress scapula, elevate ribs

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9
Q

subclavius origin

A

first rib

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10
Q

subclavius insertion

A

inferior acromial end of the clavicle

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11
Q

subclavius nerve

A

subclavian

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12
Q

subclavius action

A

flexes clavicle, elevates first rib

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13
Q

serratus anterior origin

A

ribs 1-8 (sometimes 9)

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14
Q

serratus anterior insertion

A

deep medial border of the scapula

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15
Q

serratus anterior nerve

A

long thoracic

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16
Q

serratus anterior action

A

rotate and protract scapula, elevate ribs

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17
Q

supraspinatus origin

A

supraspinous fossa

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18
Q

supraspinatus insertion

A

greater tubercle of the humerus

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19
Q

supraspinatus nerve

A

suprascapular

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20
Q

supraspinatus action

A

abduct the arm

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21
Q

infraspinatus origin

A

infraspinous fossa

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22
Q

infraspinatus insertion

A

greater tubercle of the humerus

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23
Q

infraspinatus nerve

A

suprascapular

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24
Q

infraspinatus action

A

extend and laterally rotate the arm

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25
teres minor origin
mid 1/3 of medial border of scapula
26
teres minor insertion
greater tubercle of the humerus
27
teres minor nerve
axially
28
teres minor action
adducts, extends, laterally rotates arm
29
subscapularis origin
subscapular fossa
30
subscapularis insertion
lesser tubercle of the humerus
31
subscapularis nerve
subscapular (lower and upper)
32
subscapularis action
medially rotates the arm
33
latissimus dorsi origin
Spinous processes of T7-12 and L1-5, median sacral ridge, iliac crest
34
latissimus dorsi insertion
crest of the lesser tubercle of the humerus
35
latissimus dorsi nerve
thoracodorsal
36
latissimus dorsi action
adducts, extends, medially rotates
37
teres major origin
inferior 1/3 of the medial border of the scapula
38
teres major insertion
crest of the lesser tubercle of the humerus
39
teres major nerve
lower subscapular
40
teres major action
adducts, extends, medially rotates arm
41
deltoid origin
lateral clavicle, acromion process, spine of scapula
42
deltoid insertion
deltoid tuberosity (humerus)
43
deltoid nerve
axially
44
deltoid action
anterior: flex, medially rotate arm middle: abduct arm posterior: extend, laterally rotate arm
45
coracobrachialis origin
coracoid process
46
coracobrachialis insertion
mid medial border of humerus
47
coracobrachialis nerve
musculocutaneous
48
coracobrachialis action
adducts and flexes arm
49
trapezius origin
occipital protruberance to T12, nuchal ligament
50
trapezius insertion
superior margin of the spine of the scapula and clavicle
51
trapezius nerve
accessory and cervical plexus
52
trapezius action
rotate scapula, abducts and extends head
53
levator scapulae origin
transverse processes of C1-4
54
levator scapulae insertion
superior angle of scapula
55
levator scapulae nerve
dorsal scapular
56
levator scapulae action
elevates scapula
57
rhomboideus minor origin
C7, T1
58
rhomboideus minor insertion
medial border of scapula at the spine
59
rhomboideus minor nerve
dorsal scapular
60
rhomboideus minor action
elevates and retracts scapula
61
rhomboideus major origin
T1-4
62
rhomboideus major insertion
medial border of scapular inferior to the spine
63
rhomboideus major nerve
dorsal scapular
64
rhomboideus major action
retracts scapula
65
biceps brachii origin
long head: supraglenoid fossa | short head: acromion process
66
biceps brachii insertion
radial tuberosity (1'), bicepitol aponeurosis
67
biceps brachii nerve
musculocutaneous
68
biceps brachii action
adduct and flex arm | flex and supinate forearm
69
brachialis origin
inferior 2/3 of anterior surface of humerus
70
brachialis insertion
coronoid process
71
brachialis nerve
musculocutaneous
72
brachialis action
flex forearm
73
triceps brachii origin
long: lateral border of scapula lateral: posterior surface of humerus medial: posterior surface of humerus
74
triceps brachii insertion
olecranon process
75
triceps brachii nerve
axially
76
triceps brachii action
``` extends forearm (lateral, medial) extends and adducts arm (long) ```
77
external/internal/innermost intercostals origin
superior from highest rib
78
external/internal/innermost intercostals insertion
to the next lowest rib
79
external/internal/innermost intercostals nerve
intercostal
80
external/internal/innermost intercostals action
inspiration - elevate ribs (external) | expiration - depress ribs (internal)
81
transverse thoracis origin
xiphoid process, inferior of sternum
82
transverse thoracis insertion
costal cartilage of ribs 2-6
83
transverse thoracis nerve
intercostal
84
transverse thoracis action
expiration (narroes chest)

Anatomy Exam 1 (5 decks)

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