Quiz 1 Flashcards
1
Q
Origin of descending head/transverse part/ascending head of trapezius muscle
A
Superior nuchal line, external occipital protuberance, ligamentum nuchae, spinous processes of C7-T12
2
Q
Insertion of descending head/transverse part/ascending head of trapezius muscle
A
Lateral 1/3 clavicle + acromion + spine of scapula
3
Q
Innervation of descending head/transverse part/ascending head of trapezius muscle
A
Motor by spinal accessory nerve and proprioception nerve
4
Q
Spinal levels of descending head/transverse part/ascending head of trapezius muscle
A
C3, C4 + spinal part of cranial nerve IX
5
Q
Action of descending head of trapezius muscle
A
Depress scapula
6
Q
Action of transverse part of trapezius muscle
A
Retract scapula
7
Q
Action of ascending head of trapezius muscle
A
Elevate scapula
8
Q
Origin of latissimus dorsi
A
Thoracolumbar fascia, spinous processes T6-T12, 5th lumbar vertebrae, sacrum, iliac crest, last 3-4 ribs
9
Q
Insertion of latissimus dorsi
A
Floor of intertubercular groove of humerus
10
Q
Innervation of latissimus dorsi
A
Thoracodorsal nerve (middle subscapular)
11
Q
Spinal levels of latissimus dorsi
A
C6, C7, C8
12
Q
Action of latissimus dorsi
A
Adduction, extension, and medial rotation of the humerus
13
Q
Origin of rhomboid major
A
Spinous processes of T2-T5 of thoracic vertebrae
14
Q
Insertion of rhomboid major
A
Medial border of scapula between the spine + inferior angle
15
Q
Innervation of rhomboid major
A
Dorsal scapular nerve
16
Q
Spinal levels of rhomboid major
A
C4 + C5
17
Q
Action of rhomboid major
A
Retraction of scapula elevation medial border of scapula
18
Q
Origin of rhomboid minor
A
Spinous processes C7-T1
19
Q
Insertion of rhomboid minor
A
Scapular spine + superior angle of the scapula
20
Q
Innervation of rhomboid minor
A
Dorsal scapular nerve
21
Q
Spinal levels of rhomboid minor
A
C4 + C5
22
Q
Action of rhomboid minor
A
Retraction of the scapula, elevation of medial border of scapula
23
Q
Origin of levator scapulae
A
Posterior tubercles of TVP’s for C1-C3 or C4
24
Q
Insertion of levator scapulae
A
Superior angle of scapula
25
Innervation of levator scapulae
Dorsal scapular nerve + ventral rami C3-C4
26
Spinal levels of levator scapulae
C3, C4, C5
27
Actions of levator scapulae
-downward rotation of glenoid cavity of scapula
-elevates + retracts scapula with trapezius
-laterally flexes neck if scapula is fixed
28
Origin of anterior head of deltoid
Lateral 1/3rd of clavicle
29
Origin of middle head of deltoid
Acromion
30
Origin of posterior head of deltoid
Spine of the scapula
31
Insertion of deltoid
Deltoid tuberosity of humerus
32
Innervation of deltoid
Axillary nerve
33
Spinal levels of deltoid
C5 + C6
34
Action of anterior head of deltoid
Flexes + medically rotates humerus
35
Action of middle head of deltoid
Abduction of humerus after the first 15 degrees
36
Action of posterior head of deltoid
Extends + laterally rotates humerus
37
Origin of teres major
Lower lateral border + inferior angle of scapula
38
Insertion of teres major
Medial lip of the inter-tubercular groove
39
Innervation of teres major
Lower subscapular nerve
40
Spinal levels of teres major
C5 + C6
41
Action of teres major
Adducts + medically rotates humerus
42
Origin of teres minor
Middle part of the lateral border of the scapular
43
Insertion of teres minor
Inferior facet of the greater tubercle
44
Innervation of teres minor
Axillary nerve
45
Spinal levels of teres minor
C5 + C6
46
Action of teres minor
Lateral rotation of the humerus
47
Origin of infraspinatus
Infraspinatus fossa of scapula
48
Insertion of infraspinatus
Middle facet of greater tubercle
49
Innervation of infraspinatus
Suprascapular nerve
50
Spinal levels of infraspinatus
C5 + C6
51
Action of infraspinatus
Lateral rotation of the humerus
52
Origin of supraspinatus
Supraspinatus fossa of the scapula
53
Insertion of supraspinatus
Superior facet of greater tubercle
54
Innervation of supraspinatus
Suprascapular nerve
55
Spinal levels of supraspinatus
C4, C5, + C6
56
Action of supraspinatus
Initiates abduction of the humerus at gelnohumeral joint, laterally rotates humerus when decelerating the arm in a throwing motion
57
Origin of subscapularis
Subscapular fossa scapula
58
Insertion of subscapularis
Lesser tubercle humerus
59
Innervation of subscapularis
Upper + lower subscapular nerve
60
Spinal levels of subscapularis
C5, C6, + C7
61
Action of subscapularis
Medial rotation of humerus
62
How many roots are in the brachial plexus?
5 roots
63
how many trunks are in the brachial plexus?
3
64
how many divisions are in the brachial plexus?
6
65
how many cords are in the brachial plexus?
3
66
how many terminal branches are in the brachial plexus?
5
67
triangular space
the space that is created by the teres minor, teres major, and long head of the triceps
68
what are the contents in the triangular space?
circumflex scapular artery
69
quadrangular space
the space that is created by the teres minor, teres major, long head of the tricpes, and lateral head of the triceps
70
what are the contents of the quadrangular space?
axillary nerve and the posterior humeral circumflex artery
71
triangular interval
the space that is created by teres major, the lateral head of the triceps, and the long head of the triceps
72
what are the contents of the triangular interval?
radial nerve and the profunda (deep) brachii artery
73
how many parts are there in the axillary artery?
3
74
where is the first part of the axillary artery in relation to its origin?
most proximal; closest
75
where is the third part of the axillary artery in relation to its origin?
most distal; farthest
76
what are the branch(es) of the first part of the axillary artery?
superior thoracic artery
77
what are the branch(es) of the second part of the axillary artery?
thoracoacromial artery and lateral thoracic artery
78
what are the branch(es) of the third part of the axillary artery?
subscapular artery, anterior humeral circumflex artery, and posterior humeral circumflex artery
79
foerster dermatome mapping
clinical mapping. thicker bands
80
keegan + garrett dermatome mapping
embryological mapping. thinner, more narrow bands
81
what roots become the superior/upper trunk in the brachial plexus?
C5 and C6 nerve
82
what roots become the middle trunk in the brachial plexus?
C7 nerve
83
what roots become the inferior/lower trunk in the brachial plexus?
C8 and T1 nerves
84
what divisions become the lateral cord of the brachial plexus?
the C5/C6 anterior division and the C7 anterior division
85
what divisions become the medial cord of the brachial plexus?
the C8/T1 anterior division
86
what divisions become the posterior cord of the brachial plexus?
the C5/C6 posterior division, C7 posterior division, and theC8/T1 posterior division
87
what cord does the terminal branch, musculocutaneous nerve, come from?
lateral
88
what cord does the terminal branch, axillary nerve, come from?
posterior
89
what cord does the terminal branch, radial nerve, come from?
posterior
90
what cord does the terminal branch, median nerve, come from?
the lateral and medial cords come together to form the median nerve
91
what cord does the terminal branch, ulnar nerve, come from?
medial
92
deltopectoral triangle
the space that is created by the deltoid, pectoralis major, and clavicle
93
what runs through the deltopectoral triangle?
cephalic vein, thoracoacromial trunk a, and lateral pectoral n
94
what is another name for the deltopectoral triangle?
clavipectoral triangle
95
origin of triceps long head
infraglenoid tubercle of scapula
96
insertion of triceps long head
olecranon process of ulna
97
action of triceps long head
stabilizes glenohumeral joint, extends forearm @ elbow, extends humerus @ glenohumeral joint
98
innervation of triceps long head
radial nerve
99
spinal levels of triceps long head
C7
100
origin of triceps lateral head
posterior lateral surface of the humerus
101
insertion of the triceps lateral head
olecranon process of ulna
102
action of triceps lateral head
extends forearm @ elbow + extends humerus @ glenohumeral joint
103
innervation of tricpes lateral head
radial nerve
104
spinal levels of triceps lateral head
C6
105
origin of triceps medial head
posterior/lateral surface of the humerus
106
insertion of the triceps medial head
olecranon process of ulna
107
action of triceps medial head
extends forearm @ elbow + extends humerus @ glenohumeral joint
108
innervation of triceps medial head
radial nerve
109
spinal level of triceps medial head
C8
110
origin of biceps brachii short head
coracoid process of scapula
111
insertion of biceps brachii short head
radial tuberosity + bicipital aponeurosis
112
action of biceps brachii short head
primary forearm flexor (w/supination), flexes forearm w/elbow extended, and primary supinator (w/pronation)
113
innervation of biceps brachii short head
musculocutaneous n.
114
spinal levels of biceps brachii short head
C5/C6
115
origin of biceps brachii long head
supraglenoid tubercle of scapula
116
insertion of biceps brachii long head
radial tuberosity + bicipital aponeurosis
117
action of biceps brachii long head
stabilizes glenohumeral joint, primary forearm flexor, and primary supinator
118
innervation of the biceps brachii long head
musculocutaneous n
119
spinal levels of biceps brachii long head
C5/C6
120
origin of brachialis
distal half of anterior humerus
121
insertion of brachialis
ulnar tuberosity + anterior coronoid process
122
action of brachialis
flexes forearm @ elbow from ANY position. primary elbow flexor
123
innervation of brachialis
musculocutaneous n
124
spinal levels of brachialis
C5/C6/C7
125
origin of coracobrachialis
coracoid process of scapula
126
insertion of coracobrachialis
medial middle humerus
127
action of coracobrachialis
flex + adduct humerus @ glenohumeral joint
128
innervation of coracobrachialis
musculocutaneous n
129
spinal level of coracobrachialis
C5/C6/C7
130
origin of subclavius m
superior surface of costal end of 1st rib
131
insertion of subclavius m
inferior surface of the middle third of clavicle
132
action of subclavius m
stabilizes clavicle
133
innervation of subclavius m
n to subclavius muscle
134
spinal level of subclavius m
C5/C6
135
insertion of longus coli
anterior C3-T3 vertebrae
136
insertion of longus coli m
anterior C1-C6 vertebrae
137
action of longus coli m
flexes + rotates neck @ cervical vertebral joints
138
innervation of longus coli m
anterior rami of C2-C6
139
origin or serratus anterior
external surfaces of ribs 1-9
140
insertion of serratus anterior m
medial border of scapula
141
action of serratus anterior m
protract + upwardly rotate pectoral girdle at AC + SC joints
142
innervation of serratus anterior m
long thoracic n
143
spinal levels of serratus anterior m
C5/C6/C7
144
origin of scalenus anterior m
anterior tubercles of C3-C6 vertebrae transverse processes
145
insertion of scalenus anterior m
scalene tubercle of first rib
146
innervation of scalenus anterior m
anterior rami of C4-C6 n
147
action of scalenus anterior m
flexes, rotates, + laterally flexes neck. elevates first rib
148
origin of scalenus medius m
transverse processes of C2-C7 vertebrae
149
insertion of scalenus medius m
superior surface of first rib
150
action of scalenus medius m
laterally flexes neck. elevates first rib
151
innervation of scalenus medius m
anterior rami of C3-C8 n
152
origin of scalenus posterior m
posterior tubercles of transverse processes of C4-C6 vertebrae
153
insertion of scalenus posterior m
external surfaces of second rib
154
action of scalenus posterior m
laterally flexes neck. elevates second rib
155
innervation of scalenus posterior m
anterior rami of C4-C6
156
origin of pectoralis major m
clavicular head, anterior medial half of clavicle, sternocostal head, manubrium, sternal body, true ribs + costal cartilage, external abdominal oblique aponeurosis
157
insertion of pectoralis major m
crest of greater tubercle of humerus
158
action of pectoralis major m
adducts, medially rotates, + transversely adducts arm at GH joint. depress pectoral girdle at AC + SC joints
159
innervation of pectoralis major m
medial + lateral pectoral n
160
origin of pectoralis minor m
anterior ends of ribs 3-5
161
insertion of pectoralis minor m
coracoid process of scapula
162
action of pectoralis minor m
protracts + downwardly rotates pectoral girdle at AC + SC joints
163
innervation of pectoralis minor m
medial + lateral pectoral n
164
what kind of joint is the sternoclavicular joint?
synovial/plane-pivot + acts like ball and socket
165
what kind of joint is the costoclavicular joint?
syndesmosis/amphiarthrosis
166
what kind of joint is the acromioclavicular joint?
synovial/plane
167
what kind of joint is the coracoclavicular joint?
syndesmosis/amphiarthrosis
168
what kind of joint is the scapular thoracic joint?
physiological/plane glide
169
what kind of joint is the glenohumeral joint?
synovial/ ball + socket
