Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Human Structure - Block 1 > HS1-8 Pectoral Girdle > Flashcards

HS1-8 Pectoral Girdle Flashcards

1
Q

What two bones form the pectoral girdle?

A

clavicle and scapula

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

The two halves of the pectoral girdle attach at

A

the manubrium of the sternum

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

(T/F) The scapula is directly attached to the vertebral column.

A

False. The scapula has no direct connection to the vertebral column, and it is connected to the trunk via muscles.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Contrast the pectoral and pelvic girdles.

A

pectoral girdle = appendicular skeleton but pelvic girdle = integrated into axial skeleton; pectoral girdle = allows for great mobility but pelvic girdle = limits mobility

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

What is the function of the scapula’s glenoid cavity?

A

articulation with head of humerus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

What are the structures located immediately above and below the glenoid cavity, and what is their significance?

A

supraglenoid and infraglenoid tubercles give rise to the origins of the long head of the biceps brachii and triceps brachii, respectively

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Movements of the pectoral girdle or shoulder involve what joints?

A

3 joints —sternoclavicular, acromioclavicular, glenohumeral

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

What is the scapulothoracic joint?

A

a fourth, hypothetical joint in the pectoral girdle that connects the scapula to the axial skeleton

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

When fully elevating the arm, for every 3° of elevation, how much elevation occurs at the glenohumeral and scapulothoracic joints?

A

for every 3° of elevation, 2° of elevation occurs at glenohumeral joint and 1° of elevation occurs at scapulothoracic joint

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

The sternoclavicular joint is what kind of joint?

A

saddle-type joint that functions as ball-and-socket joint

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

The sternoclavicular joint allows movement in which planes?

A

allows movement in all 3 planes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

What ligaments hold the sternoclavicular joint together?

A

anterior sternoclavicular ligament

posterior sternoclavicular ligament

interclavicular ligament

costoclavicular ligament

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

The acromioclavicular joint is what kind of joint?

A

plane-type joint

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

The acromioclavicular joint allows movement in which planes?

A

allows movement in 2 planes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

What actually causes the acromioclavicular joint to move?

A

the thoracoappendicular muscles that attach to and move the scapula cause the acromion to move on the clavicle

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

What structure strengthens the acromioclavicular joint?

A

the acromioclavicular ligament

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

What structure maintains the integrity of the acromioclavicular joint?

A

the coracoclavicular ligament

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

The coracoclavicular ligament is further divided into what structures?

A

conoid and trapezoid ligaments

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

Which ligaments stabilize the acromioclavicular joint?

A

acromioclavicular ligament (strengthens) and coracoclavicular ligament (conoid and trapezoid, maintains integrity of)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

What is the coraco-acrominal joint?

A

ligament that connects two processes of the scapula but does NOT strengthen or cross the acromioclavicular joint

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

What is the function of the coraco-acrominal joint?

A

prevents superior dislocation of the head of the humerus from the glenoid cavity of the scapula

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

What are the six primary movements of the pectoral girdle?

A

elevation/depression; protraction/retraction; superior/inferior rotation

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

**List the muscles (along with their sources of innervation) associated with elevation of the pectoral girdle. Identify the prime mover.

A

prime mover: trapezius

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

**List the muscles (along with their sources of innervation) associated with depression of the pectoral girdle. Identify the prime mover.

A

“Sad People Pray To Laugh”

prime mover: gravity

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Q

**List the muscles (along with their sources of innervation) associated with superior rotation of the pectoral girdle. Identify the prime mover.

A

prime mover: both muscles

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
26
Q

**List the muscles (along with their sources of innervation) associated with inferior rotation of the pectoral girdle. Identify the prime mover.

A

prime mover: latissimus dorsi

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
27
Q

**List the muscles (along with their sources of innervation) associated with protraction of the pectoral girdle. Identify the prime mover.

A

prime mover: serratus anterior

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
28
Q

**List the muscles (along with their sources of innervation) associated with retraction of the pectoral girdle. Identify the prime mover.

A

“Retract from a Long Term Relationship”

prime mover: trapezius

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
29
Q

What is the functional structure of the glenohumeral joint?

A

provides for articulation between the head of the humerus and the glenoid cavity of the scapula

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
30
Q

What is the most mobile joint in the body?

A

glenohumeral joint

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
31
Q

What is the most frequently dislocated joint in the body?

A

glenohumeral joint

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
32
Q

How many axes of movement does the glenohumeral joint allow for?

A

3

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
33
Q

What is the glenoid labrum?

A

a fibrous ring that deepens the glenohumeral joint and adds limited stability

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
34
Q

Which ligaments strengthen the glenohumeral joint?

A

glenohumeral and coracohumeral ligaments

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
35
Q

What ligament supports the weight of the glenohumeral joint?

A

coracohumeral ligament

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
36
Q

What is the function of the coracohumeral ligament?

A

strengthen glenohumeral joint and support weight of the joint

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
37
Q

What is the functional structure of the coraco-acrominal ligament?

A

connects acromion and coracoid process

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
38
Q

What is the function of the coraco-acrominal ligament?

A

prevents superior displacement of the humeral head

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
39
Q

How do dislocations of the glenohumeral joint typically occur?

A

dislocations usually occur antero-inferiorly, particularly when the shoulder is abducted, because there are no strong supporting structures inferior to the glenohumeral joint

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
40
Q

Which muscles make up the rotator cuff muscle group? List their sources of innervation, as well.

A

supraspinatus (suprascapular nerve); infraspinatus (suprascapular nerve); teres minor (axillary nerve); subscapularis (upper and lower subscapular nerves) - SITS - SSAUL

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
41
Q

Clinically, what is the anatomical basis of a shoulder separation?

A

when the acromioclavicular joint and the coracoclavicular ligament tear, “separating” the shoulder from the clavicle

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
42
Q

What are the six primary movements of the glenohumeral joint?

A

flexion/extension; abduction/adduction; medial and lateral rotation

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
43
Q

**List the muscles (along with their sources of innervation) associated with flexion of the glenohumeral joint.

A

BCAP

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
44
Q

**List the muscles (along with their sources of innervation) associated with extension of the glenohumeral joint.

A

PTLTP (palindrome)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
45
Q

**List the muscles (along with their sources of innervation) associated with abduction of the glenohumeral joint.

A
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
46
Q

The muscles that contribute to flexion of the glenohumeral joint are generally innervated by

A

anterior primary ramus of C5 spinal nerve

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
47
Q

The muscles that contribute to extension of the glenohumeral joint are generally innervated by

A

anterior primary rami of C6-C8 spinal nerves

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
48
Q

The muscles that contribute to abduction of the glenohumeral joint are generally innervated by

A

anterior primary ramus of C5 spinal nerve

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
49
Q

**List the muscles (along with their sources of innervation) associated with adduction of the glenohumeral joint.

A

Tiny Little Penguins

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
50
Q

The muscles that contribute to adduction of the glenohumeral joint are generally innervated by

A

anterior primary rami of C6-C8 spinal nerves

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
51
Q

**List the muscles (along with their sources of innervation) associated with lateral/external rotation of the glenohumeral joint.

A

TIP - (like asking for a tip)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
52
Q

The muscles that contribute to lateral/external rotation of the glenohumeral joint are generally innervated by

A

anterior primary ramus of C5 spinal nerve

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
53
Q

**List the muscles (along with their sources of innervation) associated with medial/internal rotation of the glenohumeral joint.

A

SPLAT

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
54
Q

The muscles that contribute to medial/internal rotation of the glenohumeral joint are generally innervated by

A

anterior primary rami of C6-C8 spinal nerves

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
55
Q

What are the two sources of cutaneous innervation to the shoulder region?

A

supraclavicular nerves; superior lateral cutaneous nerve of arm

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
56
Q

What is the source of the supraclavicular nerve?

A

cervical plexus, C3-C4

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
57
Q

What is the source of the superior lateral cutaneous nerve of arm?

A

comes from axillary nerve of brachial plexus (C5-C6)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
58
Q

What is an alternative name for the superior lateral cutaneous nerve of arm?

A

superior lateral brachial cutaneous nerve

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
59
Q

What innervates the diaphragm?

A

phrenic nerve - C3/C4/C5

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
60
Q

**List the muscles (along with their sources of innervation) associated with flexion of the elbow.

A
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
61
Q

**List the muscles (along with their sources of innervation) associated with extension of the elbow.

A
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
62
Q

**List the muscles (along with their sources of innervation) associated with radio-ulnar supination.

A
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
63
Q

**List the muscles (along with their sources of innervation) associated with radio-ulnar pronation.

A
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
64
Q

**List the muscles (along with their sources of innervation) associated with flexion of the wrist.

A
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
65
Q

**List the muscles (along with their sources of innervation) associated with extension of the wrist.

A
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
66
Q

**List the muscles (along with their sources of innervation) associated with abduction/radial deviation of the wrist.

A
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
67
Q

**List the muscles (along with their sources of innervation) associated with adduction/ulnar deviation of the wrist.

A
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
68
Q

**List the muscles (along with their sources of innervation) associated with flexion of the thumb.

A
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
69
Q

**List the muscles (along with their sources of innervation) associated with extension of the thumb.

A
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
70
Q

**List the muscles (along with their sources of innervation) associated with abduction of the thumb.

A
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
71
Q

**List the muscles (along with their sources of innervation) associated with adduction of the thumb.

A
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
72
Q

**List the muscles (along with their sources of innervation) associated with opposition of the thumb.

A
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
73
Q

**List the muscles (along with their sources of innervation) associated with reposition of the thumb.

A
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
74
Q

**List the muscles (along with their sources of innervation) associated with flexion of the metacarpophalangeal (MP) joint.

A
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
75
Q

**List the muscles (along with their sources of innervation) associated with extension of the metacarpophalangeal (MP) joint.

A
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
76
Q

**List the muscles (along with their sources of innervation) associated with abduction of the metacarpophalangeal (MP) joint.

A
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
77
Q

**List the muscles (along with their sources of innervation) associated with adduction of the metacarpophalangeal (MP) joint.

A
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
78
Q

**List the muscles (along with their sources of innervation) associated with flexion of the proximal interphalangeal (PIP) joint.

A
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
79
Q

**List the muscles (along with their sources of innervation) associated with extension of the proximal interphalangeal (PIP) joint.

A
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
80
Q

**List the muscles (along with their sources of innervation) associated with flexion of the distal interphalangeal (DIP) joint.

A
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
81
Q

**List the muscles (along with their sources of innervation) associated with extension of the distal interphalangeal (DIP) joint.

A
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
82
Q

What muscles are associated with table topping?

A

lumbricals; palmar interossei; dorsal interossei

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
83
Q

What is the proximal attachment of the clavicular part of the pectoralis major?

A

medial half of clavicle

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
84
Q

What innervates the pectoralis major?

A

lateral and medial pectoral nerve

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
85
Q

What innervates the pectoralis minor?

A

medial pectoral nerve

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
86
Q

What is the proximal attachment of the serratus anterior?

A

lateral parts of ribs 1-9

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
87
Q

What is the distal attachment of the serratus anterior?

A

scapula

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
88
Q

What nerve innervates the serratus anterior?

A

long thoracic nerve

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
89
Q

What nerve innervates the trapezius?

A

CN-XI

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
90
Q

What nerve innervates the latissimus dorsi?

A

thoracodorsal

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
91
Q

What nerve innervates the levator scapulae?

A

dorsal scapular nerve

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
92
Q

What nerve innervates the rhomboid minor?

A

dorsal scapular nerve

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
93
Q

What nerve innervates the rhomboid major?

A

dorsal scapular

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
94
Q

What is the proximal attachment of the anterior part of the deltoid?

A

lateral third of clavicle

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
95
Q

What is the proximal attachment of the middle part of the deltoid?

A

acromion of scapula

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
96
Q

What is the proximal attachment of the posterior part of the deltoid?

A

scapular spine

97
Q

What is the distal attachment of the deltoid?

A

deltoid tuberosity of humerus

98
Q

What nerve innervates the deltoid?

A

axillary nerve

99
Q

What nerve innervates the teres major?

A

lower subscapular nerve

100
Q

What nerve innervates the supraspinatus?

A

suprascapular nerve

101
Q

What nerve innervates the infraspinatus?

A

suprascapular nerve

102
Q

What nerve innervates the teres minor?

A

axillary nerve

103
Q

What nerve innervates the subscapularis?

A

upper and lower subscapular

104
Q

What nerve innervates the coracobrachialis?

A

musculocutaneous nerve

105
Q

What is the proximal attachment of the long head of the biceps brachii?

A

supraglenoid tubercle of scapula

106
Q

What is the proximal attachment of the short head of the biceps brachii?

A

tip of coracoid process of scapula

107
Q

What is the distal attachment of the biceps brachii?

A

tuberosity radius and fascia of forearm via bicepital aponeurosis

108
Q

What nerve innervates the biceps brachii?

A

musculocutaneous nerve

109
Q

What nerve innervates the brachialis?

A

musculocutaneous nerve

110
Q

What is the proximal attachment of the long head of the triceps brachii?

A

infraglenoid tubercle of scapula

111
Q

What is the proximal attachment of the lateral head of the triceps brachii?

A

posterior surface of humerus, superior to radial groove

112
Q

What is the proximal attachment of the medial head of the triceps brachii?

A

posterior surface of humerus, inferior to radial groove

113
Q

What is the distal attachment of the triceps brachii?

A

proximal end of olecranon of ulna

114
Q

What nerve innervates the triceps brachii?

A

radial nerve

115
Q

What nerve innervates the anconeus?

A

radial nerve

116
Q

What nerve innervates the pronator teres?

A

median nerve

117
Q

What are the origins of the pronator teres?

A

ulna; humerus

118
Q

What are the insertions of the pronator teres?

A

radius

119
Q

What is the proximal attachment of the flexor carpi radialis?

A

medial epicondyle of humerus

120
Q

What is the distal attachment of the flexor carpi radialis?

A

base of 2nd metacarpal

121
Q

What nerve innervates the flexor carpi radialis?

A

median

122
Q

What is the proximal attachment of the palmaris longus?

A

medial epicondyle of humerus

123
Q

What is the distal attachment of the palmaris longus?

A

distal half of flexor retinaculum and proximal part of palmar aponeurosis

124
Q

What nerve innervates the palmaris longus?

A

median

125
Q

What is the proximal attachment of the flexor carpi ulnaris?

A

medial epicondyle of humerus; olecranon and posterior border of ulna

126
Q

What is the distal attachment of the flexor carpi ulnaris?

A

pisiform; hook of hamate; 5th metacarpal

127
Q

What nerve innervates the flexor carpi ulnaris?

A

ulnar

128
Q

What is the proximal attachment of the flexor digitorum profundus?

A

proximal 3/4 of the medial and anterior surfaces of ulna and interosseous membrane

129
Q

What is the distal attachment of the flexor digitorum profundus?

A

base of distal phalanges of the medial four digits

130
Q

What nerve innervates the flexor digitorum profundus?

A

ulnar nerve (medial two heads); median nerve (anterior interosseous branch + lateral two heads)

131
Q

What is the proximal attachment of the flexor pollicis longus?

A

anterior surface of radius; adjacent interosseous membrane

132
Q

What is the distal attachment of the flexor pollicis longus?

A

base of distal phalanx of thumb

133
Q

What nerve innervates the flexor pollicis longus?

A

median nerve

134
Q

What is the origin of the pronator quadratus?

A

ulna

135
Q

What is the insertion of the pronator quadratus?

A

radius

136
Q

What nerve innervates the pronator quadratus?

A

median nerve

137
Q

What is the proximal attachment of the flexor digitorum superficialis?

A

medial epicondyle of humerus; coronoid process of ulna

138
Q

What is the distal attachment of the flexor digitorum superficialis?

A

shafts of middle phalanges of medial 4 digits

139
Q

What nerve innervates the flexor digitorum superficialis?

A

median nerve

140
Q

What is the origin of the brachioradialis?

A

supra-epicondylar ridge of humerus

141
Q

What is the insertion of the brachioradialis?

A

distal end of radius

142
Q

What nerve innervates the brachioradialis?

A

radial nerve

143
Q

What is the proximal attachment of the extensor carpi radialis longus?

A

lateral supra-epicondylar ridge of humerus

144
Q

What is the distal attachment of the extensor carpi radialis longus?

A

dorsal aspect of base of 2nd metacarpal

145
Q

What nerve innervates the extensor carpi radialis longus?

A

radial nerve

146
Q

What is the proximal attachment of the extensor carpi radialis brevis?

A

lateral epicondyle of humerus

147
Q

What is the distal attachment of the extensor carpi radialis brevis?

A

dorsal aspect of base of 3rd metacarpal

148
Q

What nerve innervates the extensor carpi radialis brevis?

A

deep branch of radial nerve

149
Q

What is the proximal attachment of the extensor digitorum?

A

lateral epicondyle of humerus

150
Q

What is the distal attachment of the extensor digitorum?

A

extensor expansions of medial 4 digits

151
Q

What nerve innervates the extensor digitorum?

A

posterior interosseus branch of radial nerve

152
Q

What is the proximal attachment of the extensor digiti minimi?

A

lateral epicondyle of humerus

153
Q

What is the distal attachment of the extensor digiti minimi?

A

extensor expansions of 5th digit

154
Q

What nerve innervates the extensor digiti minimi?

A

posterior interosseus branch of radial nerve

155
Q

What is the proximal attachment of the extensor carpi ulnaris?

A

lateral epicondyle of humerus; posterior border of ulna

156
Q

What is the distal attachment of the extensor carpi ulnaris?

A

dorsal aspect of base of 5th metacarpal

157
Q

What nerve innervates the extensor carpi ulnaris?

A

posterior interosseus branch of radial nerve

158
Q

What is the origin of the supinator?

A

lateral epicondyle of humerus; radial ligaments; ulna

159
Q

What is the insertion of the supinator?

A

proximal third of radius

160
Q

What nerve innervates the supinator?

A

deep branch of radius

161
Q

What are the 3 outcropping muscles?

A

abductor pollicis longus; extensor pollicis brevis; extensor pollicis longus

162
Q

What is the proximal attachment of the abductor pollicis longus?

A

posterior surface of proximal halves of radius, interosseous membrane, and ulna

163
Q

What is the distal attachment of the abductor pollicis longus?

A

base of 1st metacarpal

164
Q

What nerve innervates the abductor pollicis longus?

A

posterior interosseus branch of radial nerve

165
Q

What is the proximal attachment of the extensor pollicis brevis?

A

posterior surface of middle third of radius and interosseous membrane

166
Q

What is the distal attachment of the extensor pollicis brevis?

A

dorsal aspect of base of proximal phalanx of thumb

167
Q

What nerve innervates the extensor pollicis brevis?

A

posterior interosseus branch of radial nerve

168
Q

What is the proximal attachment of the extensor pollicis longus?

A

posterior surface of middle third of ulna and interosseous membrane

169
Q

What is the distal attachment of the extensor pollicis longus?

A

dorsal aspect of base of distal phalanx of thumb

170
Q

What nerve innervates the extensor pollicis longus?

A

posterior interosseus branch of radial nerve

171
Q

What is the proximal attachment of the extensor indicis?

A

posterior surface of distal third of ulna and interosseous membrane

172
Q

What is the distal attachment of the extensor indicis?

A

extensor expansion of 2nd digit

173
Q

What nerve innervates the extensor indicis?

A

posterior interosseus branch of radial nerve

174
Q

What are the thenar muscles?

A

adductor pollicis; abductor pollicis brevis; flexor pollicis brevis; opponens pollicis

175
Q

What are the hypothenar muscles?

A

abductor digiti minimi; flexor digiti minimi brevis; opponens digiti minimi

176
Q

What is the proximal attachment of the adductor pollicis?

A

(transverse head) anterior 3rd metacarpal; (oblique head) base of 2nd/3rd metacarpals

177
Q

What is the distal attachment of the adductor pollicis?

A

medial side of base of proximal phalanx of thumb

178
Q

What nerve innervates the adductor pollicis?

A

deep branch of the ulnar nerve

179
Q

What is the proximal attachment of the abductor pollicis brevis?

A

flexor retinaculum; scaphoid; trapezium

180
Q

What is the distal attachment of the abductor pollicis brevis?

A

lateral side of base of proximal phalange of thumb

181
Q

What nerve innervates the abductor pollicis brevis?

A

recurrent branch of median nerve

182
Q

What is the proximal attachment of the flexor pollicis brevis?

A

flexor retinaculum; capitate; trapezium

183
Q

What is the distal attachment of the flexor pollicis brevis?

A

medial side of base of proximal phalange of thumb

184
Q

What nerve innervates the flexor pollicis brevis?

A

recurrent branch of median nerve

185
Q

What is the proximal attachment of the opponens pollicis?

A

trapezium

186
Q

What is the distal attachment of the opponens pollicis?

A

lateral border of 1st metacarpal

187
Q

What nerve innervates the opponens pollicis?

A

recurrent branch of median nerve

188
Q

What is the proximal attachment of the abductor digiti minimi?

A

pisiform

189
Q

What is the distal attachment of the abductor digiti minimi?

A

medial side of base of proximal phalanx of 5th digit

190
Q

What nerve innervates the abductor digiti minimi?

A

deep branch of the ulnar nerve

191
Q

What is the proximal attachment of the flexor digiti minimi brevis?

A

hook of hamate; flexor retinaculum

192
Q

What is the distal attachment of the flexor digiti minimi brevis?

A

medial side of base of proximal phalanx of 5th digit

193
Q

What nerve innervates the flexor digitor minimi brevis?

A

deep branch of the ulnar nerve

194
Q

What is the proximal attachment of the opponens digiti minimi?

A

hook of hamate; flexor retinaculum

195
Q

What is the distal attachment of the opponens digiti minimi?

A

medial border of 5th metacarpal

196
Q

What nerve innervates the opponens digiti minimi?

A

deep branch of ulnar nerve

197
Q

What is the proximal attachment of the 1st and 2nd lumbricals?

A

lateral two tendons of the flexor digitorum profundus

198
Q

What is the distal attachment of the 1st and 2nd lumbricals?

A

lateral sides of extensor expansions of 2nd and 3rd digits

199
Q

What nerve innervates the 1st and 2nd lumbricals?

A

median nerve

200
Q

What is the proximal attachment of the 3rd and 4th lumbricals?

A

medial three tendons of flexor digitorum profundus

201
Q

What is the distal attachment of the 3rd and 4th lumbricals?

A

lateral sides of extensor expansions of 4th and 5th digits

202
Q

What nerve innervates the 3rd and 4th lumbricals?

A

deep branch of ulnar nerve

203
Q

What is the proximal attachment of the 1st-4th dorsal interossei?

A

adjacent sides of two metacarpals

204
Q

What nerve innervates the 1st-4th dorsal interossei?

A

deep branch of ulnar nerve

205
Q

What nerve innervates the 1st-3rd palmar interossei?

A

deep branch of ulnar nerve

206
Q

What is the proximal attachment of the pectoralis major?

A

clavicle; costal cartilages; anterior layer of rectus sheath

207
Q

What is the distal attachment of the pectoralis major?

A

humerus

208
Q

What is the proximal attachment of the pectoralis minor?

A

ribs 3-5

209
Q

What is the distal attachment of the pectoralis minor?

A

coracoid process of scapula

210
Q

What is the proximal attachment of the serratus anterior?

A

lateral parts of ribs 1-9

211
Q

What is the distal attachment of the serratus anterior?

A

scapula

212
Q

What is the distal attachment of the trapezius?

A

lateral third of clavicle; acromion and spine of scapula

213
Q

What is the distal attachment of the latissimus dorsi?

A

intertubercular sulcus of humerus

214
Q

What is the proximal attachment of the levator scapulae?

A

transverse processes of C1-C4 vertebrae

215
Q

What is the distal attachment of the levator scapulae?

A

superior angle of scapula

216
Q

What is the proximal attachment of the rhomboid minor?

A

spinous processes of C7-T1 vertebrae

217
Q

What is the distal attachment of the rhomboid minor?

A

triangular area at medial end of scapular spine

218
Q

What is the proximal attachment of the rhomboid major?

A

spinous processes of T2-T5 vertebrae

219
Q

What is the distal attachment of the rhomboid major?

A

medial border of scapula

220
Q

What is the proximal attachment of the teres major?

A

posterior surface, inferior angle of scapula

221
Q

What is the distal attachment of the teres major?

A

intertubercular sulcus of humerus

222
Q

What is the proximal attachment of the supraspinatus?

A

supraspinous fossa of scapula

223
Q

What is the distal attachment of the supraspinatus?

A

superior facet of greater tubercle of humerus

224
Q

What is the proximal attachment of the infraspinatus?

A

infraspinous fossa of scapula

225
Q

What is the distal attachment of the infraspinatus?

A

middle facet of greater tubercle of humerus

226
Q

What is the proximal attachment of the teres minor?

A

middle part of lateral border of scapula

227
Q

What is the distal attachment of the teres minor?

A

inferior facet of greater tubercle of humerus

228
Q

What is the proximal attachment of the subscapularis?

A

subscapular fossa of scapula

229
Q

What is the distal attachment of the subscapularis?

A

lesser tubercle of humerus

230
Q

**Label the following diagram of the bones of the pectoral girdle.

A
231
Q

**Label the following diagram of the clavicle.

A
232
Q

**Label the following diagram of the scapula.

A
233
Q

**Label the following diagram of joints of the pectoral girdle.

A
234
Q

**Label the following diagram of clavicular ligaments.

A
235
Q

**Label the following diagram of glenohumeral joints.

A
236
Q

**Label the following diagram of the humerus.

A
237
Q

**Label the following diagram of cutaneous innervation of the shoulder region.

A
238
Q

How do you tell the difference between the suprascapular artery and nerve?

A

artery goes over (ARMY) and nerve goes under (NAVY)

239
Q

What three muscles attach to the coracoid process?

A

biceps brachii; coracobrachialis; pectoralis minor

Human Structure - Block 1 (14 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions