Brainscape's Knowledge GenomeTM

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


See full index

Unit 2 > Unit 2 > Flashcards

Unit 2 Flashcards

0
Q

Deltoid innervation

A

Axillary nerve (C5, C6)

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

Deltoid insertion

A

Deltoid tuberosity of humerus

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

Deltoid action

A

Clavicular (anterior) part flexes and medially rotates shoulder joint
Acromial (middle) part abducts shoulder joint
Spinal (posterior) part extends and laterally rotates shoulder joint

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

Supraspinatus origin

A

Supraspinous fossa of scapula

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

Supraspinatus insertion

A

Superior facet of greater tubercle of humerus

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

Supraspinatus innervation

A

Suprascapular nerve (C4,C5,C6)

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

Supraspinatus action

A

Initiates and assists deltoid in abduction of shoulder joint and acts with other rotator cuff muscles

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

Infraspinatus origin

A

Infraspinous fossa of scapula

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

Infraspinatus insertion

A

Middle facet of greater tubercle of humerus

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

Infraspinatus innervation

A

Suprascapular nerve (C5,C6)

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

Infraspinatus action

A

Laterally rotate shoulder joint

Help hold humeral head in glenoid cavity of scapula

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

Teres minor origin

A

Middle part of lateral border of scapula

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

Teres minor insertion

A

Inferior facet of greater tubercle of humerus

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

Teres minor innervation

A

Axillary nerve (C5,C6)

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

Teres minor action

A

Laterally rotate shoulder joint

Help hold humeral head in glenoid cavity of scapula

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

Teres major origin

A

Inferior part of lateral border of scapula and posterior surface of inferior angle of scapula

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

Teres major insertion

A

Medial lip of intertubercular sulcus of humerus

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

Teres major innervation

A

Lower subscapular nerve (C5, C6)

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

Teres major action

A

Adducts and medially rotates shoulder joint

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

Subscapularis origin

A

Subscapular fossa (most of anterior surface of scapula)

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

Subscapularis insertion

A

Lesser tubercle of humerus

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

Subscapularis innervation

A

Upper and lower subscapular nerves (C5, C6, C7)

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

Subscapularis action

A

Medially rotates and adducts shoulder joint

Helps hold humerus head in glenoid cavity

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

Infraspinatus arterial supply

A

Suprascapular artery

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

Supraspinatus arterial supply

A

Suprascapular artery

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

Deltoid arterial supply

A

Posterior circumflex artery

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

Inferior border of Quadrangular space

A

Teres Major

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

Superior border of Quadrangular Space

A

Teres Minor

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

Medial border of Quadrangular Space

A

Long head of Triceps Brachii

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

Lateral border of the Quadrangular Space

A

Surgical neck of Humerus

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

Contents of Quandrangular Space

A

Axillary nerve

Posterior humeral circumflex artery

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

Lateral border of the Triceps Hiatus

A

Humerus

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

Medial border of the Triceps Hiatus

A

Long head of triceps brachii

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

superior border of the triceps hiatus

A

Teres Major

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

Contents of the triceps hiatus

A

Deep artery of arm

Radial nerve

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

Pectoralis Major origin

A

clavicular head: anterior surface of medial half of clavicle

sternocostal head: anterior surface of sternum, superior six costal cartilages, aponeurosis of external oblique muscle

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

Pectoralis Major insertion

A

Lateral lip of intertubercular sulcus (groove) of humerus

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

Pectoralis Major innervation

A 
lateral and medial pectoral nerves
clavicular head (C5, C6)
sternocostal head (C7, C8, T1)
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
38
Q

Pectoralis Major Action

A

adducts and medially rotates shoulder joint, draws scapula anteriorly and inferiorly
acting alone, clavicular head flexes shoulder joint and sternocostal head extends it form the flexed position

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

Pectoralis minor origin

A

3rd-5th ribs near costal cartilages

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

Pectoralis minor insertion

A

medial border and superior surface of coracoid process of scapula

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

Pectoralis Minor innervation

A

medial pectoral nerve (C8, T1)

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

Pectoralis minor action

A

stabilizes scapula by drawing inferiorly and anteriorly against thoracic wall

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

Subclavius origin

A

junction of the 1st rib and its costal cartilage

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

subclavius insertion

A

inferior surface of middle 3rd of clavicle

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

Subclavius innervation

A

Subclavian nerve (C5, C6)

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

Subcalvius action

A

Anchors and depresses clavicle

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

Serratus anterior origin

A

external surfaces of lateral parts of 1st-8th ribs

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

Serratus anterior insertion

A

anterior surface of medial border of scapula

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

Serratus anterior innervation

A

Long thoracic nerve (C5, C6, C7)

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

Serratus anterior action

A

Protracts scapula and holds against thoracic wall

rotates scapula

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

Biceps Brachii origin

A

short head: tip of coracoid process of scapula

Long head: supraglenoid tubercle of scapula

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

Biceps Brachii insertion

A

tuberosity of radius and fascia of forearm via bicipital aponeurosis

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

biceps brachii innervation

A

musculocutaneous nerve (C5, C6)

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

Biceps Brachii action

A

supinates forearm and when it is supinated, flexes elbow joint
flexes shoulder joint
short head resists dislocation of shoulder

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

Brachialis origin

A

distal half of the anterior surface of humerus

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

brachialis insertion

A

coronoid process

tuberosity of ulna

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

Brachialis innervation

A

musculocutaneous nerve (C5, C6, C7)

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

Brachialis action

A

flexes elbow joint in all positions

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

Coracobrachialis origin

A

tip of coracoid process

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

coracobrachialis insertion

A

middle 3rd of medial surface of humerus

61
Q

corocobrachialis action

A

helps flex and adduct should joint

resists dislocation of shoulder

62
Q

Triceps Brachii origin

A

Long Head: infragleniod tubercle of scapula
Lateral head: posterior surface of humerus, superior to radial groove
medial head: posterior surface of humerus, inferior to radial groove

63
Q

Triceps Brachii insertion

A

proximal end of olecranon of ulna and fascia of forearm

64
Q

Triceps Brachii innervation

A

radial nerve (C6, C7, C8)

65
Q

Triceps Brachii action

A

chief extensor of elbow joint

long head extends shoulder joint and resist dislocation of humerus

66
Q

Pectoralis major arterial supply

A

Pectoral branch of thoracoacromial trunk

67
Q

Pectoralis minor arterial supply

A

pectoral branch of thoracoacromial trunk

68
Q

serratus anterior arterial supply

A

lateral thoracic

69
Q

subclavius arterial supply

A

clavicular branch of thoracoacromial trunk

70
Q

deltoid arterial supply

A

posterior circumflex of humerus

71
Q

biceps brachii arterial supply

A

brachial artery

72
Q

coracobrachialis arterial supply

A

brachial artery

73
Q

triceps brachii arterial supply

A

deep brachial artery

74
Q

brachialis arterial supply

A

brachial artery

75
Q

Brachioradialis origin

A

proximal 2/3 of lateral supraepicondylar ridge of humerus

76
Q

brachioradialis insertion

A

lateral surface of distal end of radius proximal to styloid process

77
Q

brachioradialis innervation

A

radial nerve (C5, C6, C7)

78
Q

Brachioradialis action

A

relatively weak flexion of elbow joint, maximal when forearm is in midpronated position

79
Q

Extensor Carpi Radialis Longus origin

A

lateral supra-epicondylar ridge of humerus

80
Q

Extensor Carpi Radialis Longus insertion

A

dorsal aspect of base of 2nd metacarpal

81
Q

Extensor Carpi Radialis Longus innervation

A

radial nerve (C6, C7)

82
Q

Extensor Carpi Radialis Longus action

A

extend and abduct wrist joint

83
Q

Extensor Carpi Radialis Brevis origin

A

lateral epicondyle of humerus (common extensor origin)

84
Q

Extensor Carpi Radialis Brevis insertion

A

dorsal aspect of base of 3rd metacarpal

85
Q

Extensor Carpi Radialis Brevis innervation

A

deep branch of radial nerve (C7, C8)

86
Q

Extensor Carpi Radialis Brevis action

A

Extend or abduct wrist joint

active during fist clenching

87
Q

extensor digitorum origin

A

lateral epicondyle of humerus (common extensor origin)

88
Q

extensor digitorum insertion

A

extensor expansions of medial four fingers

89
Q

extensor digitorum innervation

A

posterior interosseous nerve (C7, C8), continuation of deep branch of radial nerve

90
Q

extensor digitorum action

A

extend wrist joint

extend medial four fingers primarily at metacarpophalageal joint

91
Q

Extensor digiti minimi origin

A

lateral epicondyle of humerus (common extensor origin)

92
Q

extensor digiti minimi insertion

A

extensor expansion of 5th finger

93
Q

extensor digiti minimi innervation

A

posterior interosseous nerve (C7, C8), continuation of deep branch of radial nerve

94
Q

extensor digiti minimi action

A

extends wrist

extends 5th finger primarily at metacarpophalangeal joint

95
Q

extensor carpi ulnaris origin

A

lateral epicondyle of humerus

posterior border of ulna via a shared aponeurosis

96
Q

extensor carpi ulnaris insertion

A

dorsal aspect of base of 5th metacarpal

97
Q

extensor carpi ulnaris innervation

A

Posterior interosseous nerve (C7, C8), continuation of a deep branch of radial nerve

98
Q

extensor carpi ulnaris action

A

extends and adducts wrist joint

99
Q

supinator origin

A

lateral epicondyle of humerus
radial collateral and anular ligaments
supinator fossa
crest of ulna

100
Q

supinator insertion

A

lateral, posterior, and anterior surfaces of proximal 3rd of radius

101
Q

supinator innervation

A

deep branch of radial nerve (C7, C8)

102
Q

supinator action

A

supinates forearm

rotates radius to turn palm anteriorly or superiorly (if elbow is flexed)

103
Q

abductor pollicis longus origin

A

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

104
Q

abductor pollicis longus insertion

A

base of 1st metacarpal

105
Q

abductor pollicis longus innervation

A

posterior interosseous nerve (C7, C8) continuation of deep branch of radial nerve

106
Q

abductor pollicis longus action

A

extends wrist joint

abducts thumb and extends it at carpometacarpal joint

107
Q

Extensor pollicis longus origin

A

posterior surface of middle 3rd of ulna and interosseous membrane

108
Q

extensor pollicis longus insertion

A

dorsal aspect of base of distal phalanx of thumb

109
Q

extensor pollicis longus innervation

A

posterior interosseous nerve (C7, C8) continuation of deep branch of radial nerve

110
Q

extensor pollicis longus action

A

extends wrist joint
extends distal phalanx of thumb at interphalangeal joint
extends metacarpophalangeal and carpometacarpal joints

111
Q

extensor pollicis brevis origin

A

posterior surface of distal 3rd of radius and interosseous membrane

112
Q

extensor pollicis brevis insertion

A

dorsal aspect of base of proximal phalanx of thumb

113
Q

extensor pollicis brevis innervation

A

posterior interosseous nerve (C7, C8) continuation of deep branch of radial nerve

114
Q

extensor pollicis brevis action

A

extends wrist joint
extends proximal phalanx of thumb at metacarpophalangeal joint
extends carpometacarpal joint

115
Q

extensor indicis origin

A

posterior surface of distal 3rd of ulna and interosseous membrane

116
Q

extensor indicis insertion

A

extensor expansion of 2nd finger

117
Q

extensor indicis innervation

A

posterior interosseous nerve (C7, C8) continuation of deep branch of radial nerve

118
Q

extensor indicis action

A

extends wrist joint
extends 2nd finger
helps extend hand at wrist

119
Q

pronator teres origin

A

Ulnar head: coronoid process of ulna

Humeral head: medial epicondyle of humerus

120
Q

Pronator Teres Insertion

A

Middle of convexity of lateral surface of radius

121
Q

Pronator Teres Innervation

A

Median Nerve (C6, C7)

122
Q

Pronator Teres Action

A

pronates and flexes forearm

123
Q

Flexor Carpi Radialis origin

A

medial epicondyle of humerus

124
Q

Flexor carpi radialis insertion

A

base of 2nd (3rd) metacarpal

125
Q

flexor carpi radialis innervation

A

median nerve (C6, C7)

126
Q

Flexor carpi radialis action

A

flexes and abducts hand at wrist

127
Q

Palmaris longus origin

A

medial epicondyle of the humerus

128
Q

palmaris longus insertion

A

distal half of flexor retinaculum

palmar aponeurosis

129
Q

palmaris longus innervation

A

median nerve (C7, C8)

130
Q

Palmaris longus action

A

flexes hand (at wrist) and tenses palmar aponeurosis

131
Q

Flexor Carpi Ulnaris origin

A

olecranon and posterior border of ulna (via aponeurosis)

132
Q

Flexor carpi ulnaris insertion

A

pisiform, hook of hamate, 5th metacarpal

133
Q

flexor carpi ulnaris innervation

A

ulnar nerve (C7, C8)

134
Q

Flexor carpi ulnaris action

A

flexes and adducts hand at wrist

135
Q

flexor digitorum superficialis origin

A

humero-ulnar head: medial epicondyle of humerus and coronoid process of ulna
Radial head: oblique line of radius

136
Q

flexor digitorum superficialis insertion

A

shafts (bodies) of middle phalanges of medial four digits

137
Q

flexor digitorum superficialis innervation

A

median nerve (C7, C8, T1)

138
Q

flexor digitorum superficialis action

A

flexes wrist joint
flexes proximal interphalangeal joints of middle four digits
flexes proximal phalanges at metacarpophalangeal joints

139
Q

Flexor digitorum profundus origin

A

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

140
Q

Flexor digitorum profundus insertion

A

bases of distal phalanges of 2nd, 3rd, 4th, and 5th digits

141
Q

Flexor Digitorum Profundus innervation

A 
lateral part (to digits 2 & 3): median nerve (C8, T1) (anterior interosseous branch)
Medial part (to digits 4 & 5): ulnar nerve (C8, T1)
142
Q

Flexor digitorum profundus action

A

flexes wrist joint
flexes distal interphalangeal joints of digits 2, 3, 4, and 5
assists with wrist flexion

143
Q

Flexor pollicis longus origin

A

anterior surface of radius and adjacent interosseous membrane

144
Q

Flexor pollicis longus insertion

A

base of distal phalanx of thumb

145
Q

flexor pollicis longus innervation

A

anterior interosseous nerve, from median nerve (C8, T1)

146
Q

flexor pollicis longus action

A

flexes wrist

flexes metacarpophalangeal and interphalangeal joints of thumb

147
Q

pronator quadratus origin

A

distal quarter of anterior surface of ulna

148
Q

pronator quadratus insertion

A

distal quarter of anterior surface of radius

149
Q

pronator quadratus innervation

A

anterior interosseous nerve, from median nerve (C8, T1)

150
Q

pronator quadratus action

A

pronates forearm

deep fibers bind radius and ulna together

Unit 2 (2 decks)

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