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ANA > Muscles > Flashcards

Muscles Flashcards

1
Q

Trapezius-O

A 
Occipital bone, ligamentum
nuchae from CI to CVII
vertebrae, spine of CVII
vertebra, spines of all thoracic
vertebrae
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2
Q

Trapezius-I

A 
Upper fibers into the lateral
third of clavicle, while middle
and lower fibers into acromion
and spine of scapula, such
forming a continuous
U-shaped line of attachment
oriented in the horizontal plane
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3
Q

Trapezius-N

A

Spinal part of accessory nerve

motor), C3 and C4 (sensory

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4
Q

Trapezius-A

A 
Powerful elevator of the
shoulder (upper fibers); rotates
the scapula to extend the reach
superiorly (middle fibers); pulls
medial border of scapula
downward (lower fibers)
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5
Q

Deltoid-O

A

Lateral third of clavicle,
acromion and spine of scapula,
such mirroring the adjacent Ushaped insertion sites of
trapezius

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6
Q

Deltoid-I

A

Deltoid tuberosity on the lateral
surface of the shaft of the
humerus

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7
Q

Deltoid-N

A

Axillary nerve

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8
Q

Deltoid-A

A 
Flexes and medially rotates the
arm (anterior part); abducts the
arm beyond the initial 15o
from
the supraspinatus muscle
(medial part); extends and
laterally rotates the arm
(posterior part)
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9
Q

Levator Scapulae -O

A

Transverse processes of CI to

CIV vertebrae

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10
Q

Levator Scapulae- I

A 
Posterior surface of the medial
border of the scapula from the
superior angle to the smooth
triangular area at the root of
scapular spine
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11
Q

Levator Scapulae-N

A

Dorsal scapular nerve, C3 and

C4

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12
Q

Levator Scapulae-A

A

Elevates the medial border of

the scapula

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13
Q

Rhomboid Minor-O

A

Lower end of the ligamentum
nuchae and spines of CVII and TI
vertebrae

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14
Q

Rhomboid Minor-I

A

Posterior surface of the medial
border of the scapula on the
smooth triangular area at the
root of scapular spine

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15
Q

Rhomboid Minor-N

A

Dorsal scapular nerve, C3 and

C4

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16
Q

Rhomboid Minor-A

A

Retracts and elevates the

medial border of scapula

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17
Q

Rhomboid Major-O

A

Spines of TII to TV, intervening

supraspinatus ligaments

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18
Q

Rhomboid Major-I

A

Posterior surface of the medial
border of the scapula from the
insertion of rhomboid minor to
the inferior angle

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19
Q

Rhomboid Major-N

A

Dorsal scapular nerve, C3 and

C4

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20
Q

Rhomboid Major-A

A

Retracts and elevates the

medial border of scapula

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21
Q

Supraspinatus-O

A

Supraspinous fossa of scapula;
tendon passing under the
acromion and over the
glenohumeral joint

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22
Q

Supraspinatus-I

A

Greater tuberosity of humerus;

capsule of shoulder joint

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23
Q

Supraspinatus-N

A

Suprascapular nerve

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24
Q

Supraspinatus-A

A

Abducts the arm and stabilizes

the shoulder joint

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25
Q

Infraspinatous-O

A

Infraspinatous fossa; tendon
passing posterior the
glenohumeral joint

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26
Q

Infraspinatous-I

A

Greater tuberosity of humerus;

capsule of shoulder joint

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27
Q

Infraspinatous-N

A

Suprascapular nerve

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28
Q

Infraspinatous-A

A

Laterally rotates the arm and

stabilizes the shoulder joint

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29
Q

Teres Minor-O

A

Upper two thirds of lateral
border of scapula below the
infraglenoid tuberosity

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30
Q

Teres Minor-I

A

Inferio facet of greater
tuberosity of humerus; capsule
of shoulder joint

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31
Q

Teres Minor-N

A

Axillary nerve

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32
Q

Teres Minor-A

A

Laterally rotates the arm and

stabilizes the shoulder joint

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33
Q

Teres Major-O

A

Lower third of lateral border of

scapula to the inferior angle

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34
Q

Teres Major-I

A

Medial lip of the bicipital groove
at the anterior surface of the
humerus

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35
Q

Teres Major-N

A

Lower subscapular nerve

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36
Q

Teres Major-A

A

Medially rotates and extends

the arm

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37
Q

Pectoralis Major-O

A 
Clavicular head: medial half of
the clavicle; sternocostal head:
medial part of the anterior
thoracic wall (sternum and
upper six costal cartilages)
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38
Q

Pectoralis Major-I

A

Lateral lip of the bicipital groove

of the humerus

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39
Q

Pectoralis Major-N

A

Lateral and medial pectoral

nerves

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40
Q

Pectoralis Major-A

A 
Flexes, adducts and medially
rotates the arm at the
glenohumeral joint; clavicular
head flexes the arm from an
extended position; sternocostal
head extends the arm from a
flexed position, particularly
against resistance
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41
Q

Pectoralis Minor -O

A

Anterior surfaces and upper

margins of ribs 3 to 5

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42
Q

Pectoralis Minor -I

A

Medial and upper aspects of the

coracoid process of scapula

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43
Q

Pectoralis Minor -N

A

Medial pectoral nerve

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44
Q

Pectoralis Minor -A

A

Protracts the scapula by pulling
the scapula anteriorly on the
thoracic wall; depresses the
lateral angle of scapula

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45
Q

Subclavius-O

A

Junction between rib 1 and its

costal cartilage

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46
Q

Subclavius-I

A

Elongated shallow groove on
the inferior surface of the
middle third of the clavicle

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47
Q

Subclavius-N

A

Nerve to subclavius from the
superior trunk of the brachial
plexus

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48
Q

Subclavius-A

A 
Pulls the shoulder down by
depressing the clavicle;
stabilizes the sternoclavicular
joint by pulling the clavicle
medially
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49
Q

Serratus Anterior-O

A

Lateral surfaces of ribs 1 and 9

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50
Q

Serratus Anterior-I

A

Costal surface of the medial
border and inferior angle of the
scapula

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51
Q

Serratus Anterior-N

A

Long thoracic nerve

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52
Q

Serratus Anterior-A

A 
Pulls the scapula forward over
the thoracic wall; facilitates
scapular rotation; keeps the
costal surface of the scapula
closely opposed to the thoracic
wall
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53
Q

Latissimus Dorsi-O

A

Iliac crest, lumbar fascia, spines
of TVII to TXII, lower three to
four ribs, inferior angle of
scapula

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54
Q

Latissimus Dorsi-I

A

Floor of bicipital groove of

humerus

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55
Q

Latissimus Dorsi-N

A

Thoracodorsal nerve

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56
Q

Latissimus Dorsi-A

A

Extends, adducts, and medially

rotates the arm

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57
Q

Subscapularis-O

A

Subscapular fossa

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58
Q

Subscapularis-I

A

Lesser tuberosity of the
humerus; tendon crosses
immediately anterior the joint
capsule of glenohumeral joint

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59
Q

Subscapularis-N

A

Superior and inferior

subscapular nerves

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60
Q

Subscapularis-A

A

Medially rotates the arm and

stabilizes the shoulder joint

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61
Q

Coracobrachialis-O

A

Medial side of the midshaft of

the humerus

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62
Q

Coracobrachialis-I

A

Tip of the coracoid process of

the scapula

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63
Q

Coracobrachialis-N

A

Musculocutaneous nerve

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64
Q

Coracobrachialis-A

A

Flexes and weakly adducts the

arm

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65
Q

Biceps Brachii-O

A 
Short head: coracoid process of
the scapula; long head:
supraglenoid tubercle of the
scapula with tendon passing
through the glenohumeral joint
superior to humeral head, then
through the bicipital groove as it
enters the arm
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66
Q

Biceps Brachii-I

A 
Long and short head converge
over the brachialis muscle and
inserts to the radial tuberosity
of the radius and bicipital
aponeurosis into deep fascia of
forearm
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67
Q

Biceps Brachii-N

A

Musculocutaneous nerve

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68
Q

Biceps Brachii-A

A 
Supinates the forearm when the
elbow is flexed; flexes the
forearm at the elbow joints;
weakly flexes the glenohumeral
joint
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69
Q

Brachialis -O

A

Distal half of the anterior aspect

of the humerus

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70
Q

Brachialis -I

A

Flattened dorsoventrally and
inserts to the tuberosity of the
ulna

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71
Q

Brachialis -N

A

Predominant medial part:
musculocutaneous nerve; small
lateral part: radial nerve

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72
Q

Brachialis -A

A

Flexes the forearm at the elbow

joint

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73
Q

Triceps Brachii-O

A 
Long head: infraglenoid tubercle
of the scapula; medial head:
extensive area on the shaft of
the humerus inferior to the
radial groove; lateral head:
linear roughening superior to
the radial groove of the
humerus
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74
Q

Triceps Brachii-I

A

Three heads converge and
inserts on the superior surface
of the olecranon of the ulna

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75
Q

Triceps Brachii-N

A

Radial nerve

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76
Q

Triceps Brachii-A

A

Extends the forearm

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77
Q

Flexor Carpi Ulnaris-O

A 
Humeral head: medial
epicondyle of the humerus,
ulnar head: medial aspect of the
olecranon and posterior border
of the ulna
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78
Q

Flexor Carpi Ulnaris-I

A

Pisiform bone, hook of the

hamate, base at metacarpal 5

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79
Q

Flexor Carpi Ulnaris-N

A

Ulnar nerve

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80
Q

Flexor Carpi Ulnaris-A

A

Flexes and adducts the hand at

the wrist joint

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81
Q

Palmaris longus-O

A

Medial epicondyle of humerus

82
Q

Palmaris longus-I

A

Flexor retinaculum and palmar

aponeurosis

83
Q

Palmaris longus-N

A

Median nerve

84
Q

Palmaris longus-A

A

Flexes the hand at the wrist
joint; opposes shearing forces
on the skin of the palm during
gripping

85
Q

Flexor Carpi Radialis-O

A

Medial epicondyle of humerus

86
Q

Flexor Carpi Radialis-I

A

Anterior surfaces of the bases of

metacarpals 2 and 3

87
Q

Flexor Carpi Radialis-N

A

Median nerve

88
Q

Flexor Carpi Radialis-A

A

Flexes and abducts the hand at

the wrist joint

89
Q

Pronator Teres-O

A

Humeral head: medial
epicondyle of the humerus,
ulnar head: medial border of
the coronoid process

90
Q

Pronator Teres-I

A

Lateral aspect of the midshaft of

the radius

91
Q

Pronator Teres-N

A

Median nerve

92
Q

Pronator Teres-A

A

Forms the medial border of the
cubital fossa; rotates the radius
over the ulna during pronation

93
Q

Flexor Digitorum Superficialis-O

A 
Humero-ulnar head: medial
epicondyle of the humerus and
medial edge of the coronoid
process of the ulna; radial head:
anterior oblique line of the
radius
94
Q

Flexor Digitorum Superficialis-I

A 
Tendons split into two near the
base of proximal phalanx
passing dorsally around the
tendons of flexor digitorum
profundus, and ultimately
inserts to the margins of the
middle phalanx
95
Q

Flexor Digitorum Superficialis-N

A

Median nerve

96
Q

Flexor Digitorum Superficialis-A

A 
Flexes the middle phalanx at the
metacarpophalangeal joints;
assists in flexing the phalanx at
the proximal interphalangeal
joints and the hand at the wrist
joint
97
Q

Flexor Digitorum Profundus

A

Anteromedial surface of the
shaft of the ulna and adjacent
half of the anterior surface of
the inreosseous membrane

98
Q

Flexor Digitorum Profundus

A 
Tendons pass through the split
formed by the tendons of flexor
digitorum superficialis and
distally inserts to the anterior
surface of the distal phalanges
of the medial four fingers
99
Q

Flexor Digitorum Profundus

A

Medial half: ulnar nerve; lateral
half: anterior interosseous
nerve from the median nerve

100
Q

Flexor Digitorum Profundus

A 
Flexes the distal phalanx at the
distal interphalangeal joints;
assists in flexing the middle and
proximal phalanges at the
proximal interphalangeal and
metacarpophalangeal joints and
the hand at the wrist joint
101
Q

Flexor Pollicis Longus-O

A

Anterior surface of the shaft of
the radius and adjacent half of
the anterior surface of the
inreosseous membrane

102
Q

Flexor Pollicis Longus-I

A

Base of the distal phalanx of the

thumb

103
Q

Flexor Pollicis Longus-N

A

Anterior interosseous nerve

from the median nerve

104
Q

Flexor Pollicis Longus-A

A

Flexes the thumb

105
Q

Pronator Quadratus-O

A

Linear ridge at the anterior
surface of the lower end of the
ulna

106
Q

Pronator Quadratus-I

A

Flat anterior surface of the

radius

107
Q

Pronator Quadratus-N

A

Anterior interosseous nerve

from the median nerve

108
Q

Pronator Quadratus-A

A

Pulls the distal end of the radius
anteriorly over the ulna during
pronation

109
Q

Brachioradialis-O

A

Proximal part of the lateral
supraepicondylar ridge of the
humerus

110
Q

Brachioradialis-I

A

Lateral side of the distal end of
the radius immediately proximal
to the styloid process of the
radius

111
Q

Brachioradialis-N

A

Radial nerve

112
Q

Brachioradialis-A

A

Flexes the forearm at the elbow
joint; rotates the forearm to the
midprone position

113
Q

Extensor Carpi Radialis Longus-O

A

Distal part of the lateral
supraepicondylar ridge and
lateral epicondyle of the
humerus

114
Q

Extensor Carpi Radialis Longus-I

A

Dorsal surface of the base of

metacarpal 2

115
Q

Extensor Carpi Radialis Longus-N

A

Radial nerve

116
Q

Extensor Carpi Radialis Longus-A

A

Extends and abducts the hand

at the wrist joint

117
Q

Extensor Carpi Radialis Brevis -O

A

Lateral epicondyle of the

humerus

118
Q

Extensor Carpi Radialis Brevis -I

A

Adjacent dorsal surfaces of the

bases of metacarpals 2 and 3

119
Q

Extensor Carpi Radialis Brevis -N

A

Deep branch of the radial nerve

120
Q

Extensor Carpi Radialis Brevis -A

A

Extends and abducts the hand

at the wrist joint

121
Q

Extensor Digitorum-O

A

Lateral epicondyle of the

humerus

122
Q

Extensor Digitorum-I

A 
Base of the dorsal surfaces of
the middle and distal phalanges
via a triangular connective
tissue aponeurosis (extensor
hood)
123
Q

Extensor Digitorum-N

A

Posterior interosseous nerve
from the deep branch of the
radial nerve

124
Q

Extensor Digitorum-A

A

Extends the phalanges and

hands

125
Q

Extensor Digiti Minimi-O

A

Lateral epicondyle of the

humerus

126
Q

Extensor Digiti Minimi-I

A

Extensor expansion of the little

finger

127
Q

Extensor Digiti Minimi-N

A

Posterior interosseous nerve
from the deep branch of the
radial nerve

128
Q

Extensor Digiti Minimi-A

A

Extends the little finger at the

metacarpophalangeal joint

129
Q

Extensor Carpi Ulnaris-O

A

Lateral epicondyle of the

humerus

130
Q

Extensor Carpi Ulnaris-I

A

Medial side of the base of

metacarpal 5

131
Q

Extensor Carpi Ulnaris-N

A

Posterior interosseous nerve
from the deep branch of the
radial nerve

132
Q

Extensor Carpi Ulnaris-A

A

Extends and abducts the hand

at the wrist joint

133
Q

Anconeus-O

A

Lateral epicondyle of the

humerus

134
Q

Anconeus-I

A

Posterolateral surface of
olecranon and posterior surface
of the ulna

135
Q

Anconeus-N

A

Radial nerve

136
Q

Anconeus-A

A

Abducts the ulna during
pronation; accessory extensor
muscle of the elbow joint

137
Q

Supinator-O

A 
Humeral (superficial) head:
Lateral epicondyle of the
humerus and annular ligament
of proximal radioulnar joint;
ulnar (deep) head: supinator
crest at the posterolateral
surface of the ulna
138
Q

Supinator-I

A

Neck and shaft of the radius

139
Q

Supinator-N

A

Deep branch of the radial nerve

140
Q

Supinator-A

A

Supinates the forearm and

hands

141
Q

Abductor Pollicis Longus-O

A

Posterior surface of the shaft of
the radius and interosseous
membrane

142
Q

Abductor Pollicis Longus-I

A

Lateral side of the base of

metacarpal 1

143
Q

Abductor Pollicis Longus-N

A

Deep branch of the radial nerve

144
Q

Abductor Pollicis Longus-A

A

Abducts and extends the thumb
at the joint between trapezium
and metacarpal 1

145
Q

Extensor Pollicis Brevis-O

A

Posterior surface of the shaft of
the radius and interosseous
membrane

146
Q

Extensor Pollicis Brevis-I

A

Dorsal surface of the proximal

phalanx of the thumb

147
Q

Extensor Pollicis Brevis-N

A

Deep branch of the radial nerve

148
Q

Extensor Pollicis Brevis-A

A

Extends the
metacarpophalangeal joints of
the thumb

149
Q

Extensor Pollicis Longus-O

A

Posterior surface of the shaft of
the ulna and interosseous
membrane

150
Q

Extensor Pollicis Longus-I

A

Dorsal surface of the distal

phalanx of the thumb

151
Q

Extensor Pollicis Longus-N

A

Deep branch of the radial nerve

152
Q

Extensor Pollicis Longus-A

A

Extends all the joints in the

thumb

153
Q

Extensor Indicis-O

A

Posterior surface of the shaft of
the ulna and interosseous
membrane

154
Q

Extensor Indicis-I

A

Extensor expansion of the index
finger, through the extensor
hood

155
Q

Extensor Indicis-N

A

Deep branch of the radial nerve

156
Q

Extensor Indicis-A

A

Extends the
metacarpophalangeal joints of
the index finger

157
Q

Palmaris Brevis-O

A

Flexor retinaculum, palmar

aponeurosis

158
Q

Palmaris Brevis-I

A

Skin of palm

159
Q

Palmaris Brevis-N

A

Superficial branch of ulnar

nerve

160
Q

Palmaris Brevis-A

A

Corrugates skin to improve grip

of palm

161
Q

Lumbricals (4)-O

A

Tendons of flexor digitorum

profundus

162
Q

Lumbricals (4)-I

A

Extensor expansion of the

medial four fingers

163
Q

Lumbricals (4)-N

A

Lateral two: median nerve;
medial two: deep branch of
ulnar nerve

164
Q

Lumbricals (4)-A

A

Flex the MCP joints and extend
IP joints of the fingers except
the thumb

165
Q

Palmar Interossei (4)-O

A

First arises from the base of
metacarpal 1; remaining three
from the anterior surface of the
shafts of metacarpals 2, 4 and 5

166
Q

Palmar Interossei (4)-I

A

Proximal phalanges of the
thumb and index, ring and little
fingers and dorsal extensor
expansion of each fingers

167
Q

Palmar Interossei (4)-N

A

Deep branch of ulnar nerve

168
Q

Palmar Interossei (4)-A

A

Adducts fingers toward the
center of middle finger;
complex flexion and extension
of digits

169
Q

Dorsal Interossei (4)-O

A

Contiguous sides of the shafts of

metacarpals

170
Q

Dorsal Interossei (4)-I

A

Proximal phalanges of index,
middle and ring fingers and
dorsal extensor expansion

171
Q

Dorsal Interossei (4)-N

A

Deep branch of ulnar nerve

172
Q

Dorsal Interossei (4)-A

A

Abducts fingers from the center
of middle finger; flexion of MCP
joints; extension of IP joints

173
Q

Adductor Pollicis-O

A 
Transverse head: anterior
aspect of the shaft of
metacarpal 3; oblique head:
capitate and bases of
metacarpal 2 and 3
174
Q

Adductor Pollicis-I

A

Medial side of the base of

proximal phalanx of the thumb

175
Q

Adductor Pollicis-N

A

Deep branch of ulnar nerve

176
Q

Adductor Pollicis-A

A

Adducts the thumb; opposes
the thumb to the rest of the
fingers when gripping

177
Q

Flexor Pollicis Brevis-O

A

Flexor retinaculum and tubercle

of trapezium

178
Q

Flexor Pollicis Brevis-I

A

Lateral side of the base of the

proximal phalanx of the thumb

179
Q

Flexor Pollicis Brevis-N

A

Median nerve

180
Q

Flexor Pollicis Brevis-A

A

Flexes the thumb

181
Q

Abductor Pollicis Brevis-O

A

Flexor retinaculum and
tubercles of trapezium and
scaphoid

182
Q

Abductor Pollicis Brevis-I

A

Lateral side of the base of the

proximal phalanx of the thumb

183
Q

Abductor Pollicis Brevis-N

A

Median nerve

184
Q

Abductor Pollicis Brevis-A

A

Abducts the thumb

185
Q

Opponens Pollicis-O

A

Flexor retinaculum and tubercle

of trapezium

186
Q

Opponens Pollicis-I

A

Shaft of metacarpal 1

187
Q

Opponens Pollicis-N

A

Median nerve

188
Q

Opponens Pollicis-A

A

Rotates and flexes metacarpal 1
on the trapezium to pull the
thumb medially and forward
across the palm

189
Q

Flexor Digiti Minimi Brevis -O

A

Flexor retinaculum and hook of

hamate

190
Q

Flexor Digiti Minimi Brevis -I

A

Lateral side of the base of the
proximal phalanx of the little
finger

191
Q

Flexor Digiti Minimi Brevis -N

A

Deep branch of ulnar nerve

192
Q

Flexor Digiti Minimi Brevis -A

A

Flexes the little finger

193
Q

Abductor Digiti Minimi-O

A

Pisiform bone, pisohamate
ligament and tendon of flexor
carpi ulnaris

194
Q

Abductor Digiti Minimi-I

A

Medial side of the base of the
proximal phalanx of the little
finger

195
Q

Abductor Digiti Minimi-N

A

Deep branch of ulnar nerve

196
Q

Abductor Digiti Minimi-A

A

Abducts the little finger

197
Q

Opponens Digiti Minimi -O

A

Flexor retinaculum and hook of

hamate

198
Q

Opponens Digiti Minimi -I

A

Medial margin and palmar

surface of metacarpal 5

199
Q

Opponens Digiti Minimi -N

A

Deep branch of ulnar nerve

200
Q

Opponens Digiti Minimi -A

A

Rotates metacarpal 5 towards

the palm

ANA (1 decks)

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