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MOINA OF SHOULDER AND ARM Flashcards

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1
Q

identify the origin of Pectoralis

major

A

Clavicle, sternum,
and upper six
costal cartilages

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2
Q

identify the action of Pectoralis

major

A

Adducts arm and rotates it
medially; clavicular fibers also
flex arm

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3
Q

identify the insertion of Pectoralis

major

A

Lateral lip of
bicipital groove of
humerus

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4
Q

identify the nerve/innervation of Pectoralis

major

A

Medial and lateral
pectoral nerves from
brachial plexus

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5
Q

identify the origin of Pectoralis

minor

A

Third, fourth, and

fifth ribs

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6
Q

identify the insertion of Pectoralis

minor

A

Coracoid process

of scapula

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7
Q

identify the nerve/innervation of
Pectoralis
minor

A

Medial pectoral nerve

from brachial plexus

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8
Q

identify the action of Pectoralis

minor

A

Depresses point of shoulder;
if the scapula is fixed, it
elevates the ribs of origin

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9
Q

identify the origin of Subclavius

A

First costal

cartilage

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10
Q

identify the insertion of Subclavius

A

Clavicle

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11
Q

identify the nerve/innervation of Subclavius

A

Nerve to subclavius
from upper trunk of
brachial plexus

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12
Q

identify the action of Subclavius

A

Depresses the clavicle and
steadies this bone during
movements of the shoulder
girdle

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13
Q

identify the origin of Serratus

anterior

A

Upper eight ribs

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14
Q

identify the insertion of Serratus

anterior

A

Medial border
and inferior angle
of scapula

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15
Q

identify the nerve/innervation of Serratus

anterior

A

Long thoracic nerve

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16
Q

identify the action of Serratus

anterior

A

Draws the scapula forward
around the thoracic wall;
rotates scapula

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17
Q

identify the origin of Trapezius

A 
Occipital bone,
ligamentum nuchae,
spine of seventh cervical
vertebra, spines of all
thoracic vertebrae
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18
Q

identify the insertion of Trapezius

A 
Upper fibers into
lateral third of
clavicle; middle and
lower fibers into
acromion and spine
of scapula
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19
Q

identify the nerve/innervation of Trapezius

A

Spinal part of
accessory nerve
(motor) and C3 and
4 (sensory)

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20
Q

identify the action of Trapezius

A 
Upper fibers elevate
the scapula; middle
fibers pull scapula
medially; lower fibers
pull medial border of
scapula downward
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21
Q

identify the origin of Latissimus

dorsi

A 
Iliac crest, lumbar fascia,
spines of lower six
thoracic vertebrae, lower
three or four ribs, and
inferior angle of scapula
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22
Q

identify the insertion of Latissimus

dorsi

A

Floor of bicipital

groove of humerus

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23
Q

identify the nerve/innervation of Latissimus

dorsi

A

Thoracodorsal

nerve

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24
Q

identify the action of Latissimus

dorsi

A

Extends, adducts, and
medially rotates the
arm

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25
identify the origin of Levator | scapulae
Transverse processes of first four cervical vertebrae
26
identify the insertion of Levator | scapulae
Medial border of | scapula
27
identify the nerve/innervation of Levator | scapulae
C3 and 4 and dorsal | scapular nerve
28
identify the action of Levator | scapulae
Raises medial border of | scapula
29
identify the origin of Rhomboid | minor
Ligamentum nuchae and spines of seventh cervical and first thoracic vertebrae
30
identify the insertion of Rhomboid | minor
Medial border of | scapula
31
identify the nerve/innervation of Rhomboid | minor
Dorsal scapular | nerve
32
identify the action of Rhomboid | minor
Raises medial border of scapula upward and medially
33
identify the origin of Rhomboid | major
Second to fifth thoracic | spines
34
identify the insertion of Rhomboid | major
Medial border of | scapula
35
identify the nerve/innervation of Rhomboid | major
Dorsal scapular | nerve
36
identify the action of Rhomboid | major
Raises medial border of scapula upward and medially
37
identify the origin of Deltoid
Lateral third of clavicle, acromion, spine of scapula
38
identify the insertion of Deltoid
Middle of lateral surface of shaft of humerus
39
identify the nerve/innervation of Deltoid
Axillary nerve
40
identify the action of Deltoid
``` Abducts arm; anterior fibers flex and medially rotate arm; posterior fibers extend and laterally rotate arm ```
41
identify the origin of Supraspinatus
Supraspinous fossa | of scapula
42
identify the insertion of Supraspinatus
Greater tuberosity of humerus; capsule of shoulder joint
43
identify the nerve/innervation of Supraspinatus
Suprascapular | nerve
44
identify the action of Supraspinatus
Abducts arm and stabilizes | shoulder joint
45
identify the origin of Infraspinatus
Infraspinous fossa of | scapula
46
identify the insertion of Infraspinatus
Greater tuberosity of humerus; capsule of shoulder joint
47
identify the nerve/innervation of Infraspinatus
Suprascapular | nerve
48
identify the action of Infraspinatus
Laterally rotates arm and | stabilizes shoulder joint
49
identify the origin of Teres major
Lower third of lateral | border of scapula
50
identify the insertion of Teres major
Medial lip of bicipital groove of humerus
51
identify the nerve/innervation of Teres major
Lower | subscapular nerve
52
identify the action of Teres major
Medially rotates and adducts arm and stabilizes shoulder joint
53
identify the origin of Teres minor
Upper two thirds of lateral border of scapula
54
identify the insertion of Teres minor
Greater tuberosity of humerus; capsule of shoulder joint
55
identify the nerve/innervation of Teres minor
Axillary nerve
56
identify the action of Teres minor
Laterally rotates arm and | stabilizes shoulder joint
57
identify the origin of Subscapularis
Subscapular fossa
58
identify the insertion of Subscapularis
Lesser tuberosity | of humerus
59
identify the nerve/innervation of Subscapularis
Upper and lower subscapular nerves
60
identify the action of Subscapularis
Medially rotates arm and | stabilizes shoulder joint
61
identify the origin of Biceps Brachii Long head
Supraglenoid | tubercle of scapula
62
identify the insertion of Biceps Brachii Long head
Tuberosity of radius and bicipital aponeurosis into deep fascia of forearm
63
identify the nerve/innervation of Biceps Brachii Long head
Musculocutaneous | nerve
64
identify the action of Biceps Brachii Long head
Supinator of forearm and flexor of elbow joint; weak flexor of shoulder joint
65
identify the origin of Biceps Brachii short head
Coracoid process of scapula
66
identify the insertion of Biceps Brachii short head
Tuberosity of radius and bicipital aponeurosis into deep fascia of forearm
67
identify the nerve/innervation of Biceps Brachii short head
Musculocutaneous | nerve
68
identify the action of Biceps Brachii short head
Supinator of forearm and flexor of elbow joint; weak flexor of shoulder joint
69
identify the origin of Coracobrachialis
Coracoid process of scapula
70
identify the insertion of Coracobrachialis
Medial aspect of shaft | of humerus
71
identify the nerve/innervation of Coracobrachialis
Musculocutaneous | nerve
72
identify the action of Coracobrachialis
Flexes arm and alsoprocess of weak adductor
73
identify the origin of Brachialis
Front of lower half | of humerus
74
identify the insertion of Brachialis
Coronoid process of | ulna
75
identify the nerve/innervation of Brachialis
Musculocutaneous | nerve
76
identify the action of Brachialis
Flexor of elbow joint
77
identify the origin of triceps long head
Infraglenoid tubercle of scapula
78
identify the insertion of triceps long head
Olecranon process of | ulna
79
identify the nerve/innervation of triceps long head
Radial nerve
80
identify the action of triceps long head
Extensor of elbow | joint
81
identify the origin of triceps lateral head
Upper half of posterior surface of shaft of humerus
82
identify the insertion of triceps lateral head
Olecranon process of | ulna
83
identify the nerve/innervation of triceps lateral head
Radial nerve
84
identify the action of triceps lateral head
Extensor of elbow | joint
85
identify the origin of triceps medial head
Lower half of posterior surface of shaft of humerus
86
identify the insertion of triceps medial head
Olecranon process of | ulna
87
identify the nerve/innervation of triceps medial head
Radial nerve
88
identify the action of triceps medial head
Extensor of elbow | joint

ANATOMY (8 decks)

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