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S&F1 > Muscles of upper body > Flashcards

Muscles of upper body Flashcards

1
Q

innervation: pronator quadratus

A

median nerve

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2
Q

flexor digitorum superficialis ; INSERTION

A

the sides of the middle phalanx of 2-5 in a bifurcate tendon

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3
Q

innervation; teres minor

A

Axillary (C5, C6)

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4
Q

blood supply of latissimus dorsi

A

thoracodorsal artery

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5
Q

action: deltoid (posterior)

A

laterally rotate and extend arm

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6
Q

innervation rhomboid minor

A

dorsal scapular nerve

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7
Q

action; levatores costarum

A

raise ribs during inspiration

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8
Q

blood supply: pronator quadratus

A

interosseous muscle

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9
Q

blood supraspinatous

A

suprascapular artery

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10
Q

action: pronator quadratus

A

pronation

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11
Q

action: extensor carpi radialis longus

A

extend hand at wrist, radially deviate ( abduct) hand

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12
Q

origin; deltoid (anterior)

A

lateral clavicle

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13
Q

action: extensor pollicis longus

A

extend distal phalanx of thumb

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14
Q

origin: deltoid (posterior)

A

spine of scapula

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15
Q

Origin: levatores costarum

A

transverse process of vertebra C7 -> T 11

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16
Q

origin: subscapularis

A

subscapular fossa of scapular

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17
Q

blood supply coracobrachialis

A

brachial artery

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18
Q

action: serratus posterior superior

A

elevate ribs in inspiration

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19
Q

action: palmaris longus

A

flex hand at wrist

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20
Q

origin of lattisimus dorsi

A

vertebral spines of T6 -T 12, iliac crest, thoracolumbnar fascia

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21
Q

action of the rhomboid minor

A

elevate and adduct scapula

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22
Q

innervation: brachialis

A

musculocutaneous nerve (C5-C7)

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23
Q

origin: flexor carpi ulnaris (humeral head)

A

medial epicondyle of humerus

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24
Q

innervation: extensor carpi radialis longus

A

radial nerve

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25
Q

action: teres minor

A

laterally rotate arm, stabilize shoulder joint

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26
Q

innervation: palmaris longus

A

median nerve

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27
Q

origin; Subclavius

A

1st costal cartilage

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28
Q

insertion: teres minor

A

greater tubercle of humerus

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29
Q

action of the levator scapulae

A

adduct the scapula and elevate the scapula

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30
Q

innervation: pronator teres

A

median nerve

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31
Q

action: flexor digitorum superficialis

A

flex hand at wrist. flex fingers 2-5 at metacarpophalangeal joint and flex fingers 2-5 at proximal interphalangeal joint (PIP)

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32
Q

origin: palmaris longus

A

medial epicondyle of humerus

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33
Q

origin: supraspinatous

A

fascia above spine of scapula

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34
Q

innervation: splenius

A

dorsal rami of spinal nerves

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35
Q

nerve: flexxor pollicus longus

A

median nerve

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36
Q

origin: infraspinatous

A

infraspinatous fossa of scapula

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37
Q

action: coracobrachialis

A

flex at glenohumeral joint

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38
Q

origin: serratus posterior superior

A

spinous process of cervical and upper thoracic vertebra

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39
Q

blood supply: rhomboid major

A

dorsal scapular artery

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40
Q

insertion: abductor pollicis longus

A

1st metacarpal at the base

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41
Q

action: supraspinatous

A

initiate abduction of shoulder. Stabilize shoulder

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42
Q

innervation; pectoralis major

A

Medial and lateral

pectoral nerves

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43
Q

innervation: Extensor carpi Ulnaris

A

radial nerve

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44
Q

origin: abductor pollicis longus

A

Radius, interosseus membrane, ulna

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45
Q

origin: extensor pollicis brevis

A

radius, interosseous membrane

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46
Q

insertion: rhomboid minor

A

medial border of scapula

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47
Q

action: extensor indicis

A

extend 2nd digit

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48
Q

insertion: infraspinatous

A

greater tubercle of humerus

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49
Q

origin: flexor pollicus longus

A

radius, interosseous membrane

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50
Q

Insertion; Trapezius

A

Scapula at the acromion spine and the lateral 1/3 of the clavicle

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51
Q

blood supply: extensor carpi radialis brevis

A

radial artery

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52
Q

blood supply rhomboid minor

A

dorsal scapular artery

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53
Q

action: Extensor carpi Ulnaris

A

adduct and extend at wrist

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54
Q

blood supply: deltoid

A

Posterior circumflex humerus

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55
Q

innervation: extensor pollicis brevis

A

radial nerve

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56
Q

insertion: Serratus anterior

A

medial (vertebral border) of scapula

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57
Q

origin: flexor digitorum superficialis (humeroulnar head)

A

medial epicondyle of humerus and coronoid process of ulna

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58
Q

origin: extensor carpi radialis brevis

A

lateral epicondyle of humerus

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59
Q

origin: rhomboid minor

A

spinous process of C7 and T1 vertebra.

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60
Q

innervation: rhomboid major

A

dorsal scapular nerve

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61
Q

action: transversospinalis

A

extend trunk in bilateral action. Rotate vertebral column in unilateral action.

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62
Q

action: extensor digitorum

A

extend digits at PIP and DIP and MP joints and extend hand at the wrist

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63
Q

insertion; pectoralis major

A

lateral lip of bicipital
groove (intertubercular
sulcus)

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64
Q

insertion: rhomboid major

A

the medial border to the inferior angle of the scapula

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65
Q

Blood supply; levatores costarum

A

posterior intercostal arteries

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66
Q

innervation; subscapularis

A

lower and upper subscapular

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67
Q

insertion: supraspinatous

A

greater tubercle of humerus

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68
Q

action; Serratus anterior

A
  1. Rotates scapula
  2. Draws scapula forward
    around thoracic wall
    (protraction)
  3. Holds scapula against
    thoracic wall.
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69
Q

innervation: erector spinae

A

dorsal rami of spinal nerves

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70
Q

action ; Pectoralis minor

A
  1. depresses scapula

2. elevates ribs of origin for deep inspiration

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71
Q

action; aconeus

A

extend forearm (assisting triceps brachii)

abducts ulna during pronation

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72
Q

insertion: coracobrachialis

A

midshaft humerus

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73
Q

insertion: brachialis

A

ulnar tuberosity

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74
Q

origin; Pectoralis minor

A

3nd to 5th ribs near cartilages

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75
Q

blood supply : Extensor carpi Ulnaris

A

ulnar artery

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76
Q

innervation: supraspinatous

A

suprascapular nerve

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77
Q

blood supply: serratus posterior superior

A

intercostal arteries

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78
Q

innervation: brachioradialis

A

radial

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79
Q

action: flexor carpi radialis

A

flex at wrist. Abduct hand at wrist.

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80
Q

Origin: teres minor

A

lateral border of scapula

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81
Q

aconeus: insertion

A

Olecranon of ulna

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82
Q

action, teres major

A

adduct, medially rotate arm

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83
Q

action: flexor pollicus longus

A

flex thumb at the phalangeal joint and the metacarpalphalangeal joint

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84
Q

action: flexor pollicis brevis

A

flex the thumb

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85
Q

origin: flexor digitorum superficialis (radial head)

A

radius

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86
Q

innervation: serratus posterior inferior

A

intercostal nerves

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87
Q

insertion: pronator quadratus

A

distal radius

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88
Q

innervation: opponens pollicis

A

recurrent branch of the median nerve

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89
Q

blood supply of the levator scapulae

A

dorsal scapular artery

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90
Q

action: extensor carpi radialis brevis

A

extend hand at wrist. Radially deviates (abducts) hand at wrist

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91
Q

blood supply : extensor pollicis brevis

A

posterior interosseous artery

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92
Q

action of lattisimus dorsi

A

adduct, extend, and medially rotate the arm at the shoulder joint

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93
Q

blood: infraspinatous

A

suprascapular artery and circumflex scapular artery

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94
Q

insertion: subscapularis

A

lesser tubercle

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95
Q

origin: coracobrachialis

A

coracoid process

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96
Q

Insertion; levatores costarum

A

ribs inferior to origin

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97
Q

origin: triceps brachii long head

A

infraglenoid tubercle

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98
Q

action: serratus posterior inferior

A

lower ribs in expiration

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99
Q

innervation: extensor digiti minimi

A

radial nerve

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100
Q

insertion: flexor pollicus longus

A

distal phalanx of thumb

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101
Q

action; Subclavius

A

anchors and depresses clavicle during upper limb movements

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102
Q

blood supply: flexor pollicus longus

A

anterior interosseus artery

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103
Q

blood supply: extensor digitorum

A

posterior interosseus artery

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104
Q

origin; Serratus anterior

A

upper eight ribs

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105
Q

origin: teres major

A

inferior angle of scapula

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106
Q

innervation of the levator scapulae

A

Dorsal scapular nerve

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107
Q

innervation: infraspinatous

A

suprascapular nerve

108
Q

origin: flexor digitorum profunda

A

ulna and interosseous membrane

109
Q

innervation Serratus anterior

A

long thoracic

110
Q

Action: opponens Pollicis

A

opposition of the thumb

111
Q

origin: extensor digit minimi

A

lateral humeral epicondyle

112
Q

blood supply: triceps brachii

A

deep brachial artery (profunda brachii_

113
Q

Action: Splenius

A

extend head and neck in bilateral action. Rotate same side in unilateral action>

114
Q

action: erector spinae

A

extend trunk and vertebral column

115
Q

innervation; coracobrachialis

A

musculocutaneous nerve (C5-C7)

116
Q

insertion: supinator

A

lateral upper radius

117
Q

insertion: extensor pollicis brevis

A

proximal phalanx of thumb

118
Q

Blood supply: biceps brachii

A

brachial artery

119
Q

insertion: serratus posterior inferior

A

ribs

120
Q

innervation: flexor digitorum superficialis

A

median nerve

121
Q

origin: rhomboid major

A

the spinous processes of T2-T5

122
Q

blood supply : extensor digiti minimi

A

posterior interosseous artery

123
Q

action: pronator teres

A

pronation of forearm

124
Q

Origin; Trapezius

A

head at the external occipital protruberance, ligamentum nuchae, vertebra C7, T1 - T 12

125
Q

innervation: flexor carpi ulnaris

A

ulnar nerve (C7 C8)

126
Q

blood supply: flexor carpi ulnaris

A

ulnar artery

127
Q

origin: extensor indicis

A

ulna and interosseous membrane

128
Q

insertion: extensor carpi radialis brevis

A

base of 2nd and 3rd metacarpal

129
Q

innervation: flexor pollicis brevis

A

recurrent branch of the median nerve

130
Q

action: subscapularis

A

medially rotate, stabilize, shoulder joint

131
Q

blood supply: brachialis

A

radial recurrent artery

132
Q

blood supply: flexor digitorum profunda

A

anterior interosseus artery, ulnar artery

133
Q

innervation: extensor digiti minimi

A

radial nerve

134
Q

action: flexor carpi ulnaris

A

flex hand at wrist. adduct hand at wrist

135
Q

insertion of lattisimus dorsi

A

inserts into the humerus at the intertubercular groove

136
Q

origin: triceps brachii lateral head

A

posterior lateral surface of humerus

137
Q

blood supply: extensor pollicis longus

A

posterior interosseous artery

138
Q

innervation: teres major

A

lower subscapular nerve

139
Q

innervation; Pectoralis minor

A

medial pectoral

140
Q

blood supply serratus posterior inferior

A

intercostal arterires

141
Q

origin: extensor carpi radialis longus

A

lateral supracondylar ridge of humerus

142
Q

action of trapezius

A

elevate and depress shoulder
extend head
retract scapula

143
Q

action: triceps brachii

A

extend forearm

144
Q

blood supply : extensor carpi radialis longus

A

radial artery

145
Q

blood : flexor carpi radialis

A

ulnar artery

146
Q

origin; Biceps brachii long head

A

supraglenoid tubercle

147
Q

innervation: flexor digitorum profunda

A

median nerve - lateral half

ulnar nerve - medial half

148
Q

action: biceps brachii

A

weak flexor at glenohumeral joint. Strong supinator of forearm. Powerful Flex forearm

149
Q

insertion: extensor carpi ulnaris

A

base of 5th metacarpal

150
Q

insertion of levator scapulae

A

the medial border and superior angle of the scapula

151
Q

innervation; Subclavius

A

nerve to subclavius

152
Q

innervation: abductor pollicis brevis

A

recurrent branch of median nerve

153
Q

Action: supinator

A

supinate forearm and hand

154
Q

origin: splenius

A

Spinous process of vertebrae T1-T4

155
Q

insertion; extensor indicis

A

extensor hood of 2nd digit

156
Q

insertion: splenius

A

occipital and temporal bones of head , transverse process of C2-C3

157
Q

origin; pectoralis major

A 
Clavicular head: Medial half
of clavicle
Sternocostal head: Sternum
and upper six costal
cartilages
158
Q

insertion: flexor digitorum profunda

A

distal phalanx of digits 2-5, in between the bifurcate tendon of flexor digitorum superficialis

159
Q

insertion; Subclavius

A

clavicle

160
Q

blood supply: brachioradialis

A

radial recurrent

161
Q

insertion: flexor carpi radialis

A

the bases of the 2nd and 3rd metacarpal

162
Q

blood supply supinator

A

radial recurrent

163
Q

blood supply: teres minor

A

circumflex scapular artery

164
Q

action: infraspinatous

A

laterally rotate arm, stabilize shoulder joint

165
Q

innervation: serratus posterior superior

A

intercostal nerve

166
Q

innervation: transversospinalis

A

dorsal rami of spinal nerves

167
Q

blood supply - extensor indicis

A

posterior interosseous artery

168
Q

action: deltoid (anterior)

A

flexes and medially rotates arm

169
Q

innervation: abductor pollicis longus

A

radial nerve

170
Q

insertion: brachioradialis

A

distal radius

171
Q

origin: Extensor carpi Ulnaris

A

lateral humeral epicondyle

172
Q

insertion: pronator teres

A

midshaft radius

173
Q

insertion: biceps brachii (Both heads)

A

radial tuberosity

174
Q

innervation: deltoid

A

axillary nerve (C5, C6)

175
Q

insertion: palmaris longus

A

palmar aponeurosis

176
Q

innervation: extensor digitorum

A

radial

177
Q

blood supply: flexor digitorum superficialis

A

ulnar artery

178
Q

origin: extensor digitorum

A

lateral epicondyle of humerus

179
Q

insertion: teres major

A

intertubercular groove of humerus, medial border

180
Q

origin: deltoid (middle)

A

acromion process

181
Q

insertion: extensor carpia radialis longus

A

base of 2nd metacarpal

182
Q

blood supply: aconeus

A

deep brachial artery

183
Q

origin: serratus posterior inferior

A

spinous process of lower thoracic and upper lumbar vertebra

184
Q

innervation: extensor carpi radialis brevis

A

radial

185
Q

origin: flexor carpi ulnaris (ulnar head )

A

olecranon of ulna

186
Q

blood supply ; trapezius

A

transverse cervical artery

187
Q

origin of levator scapulae

A

the transverse processes of vertebrae C1 - C4

188
Q

innervation: flexor carpi radialis

A

median nerve

189
Q

action: brachialis

A

flex forearm

190
Q

blood supply: teres major

A

scapular circumflex

191
Q

innervation of trapezius

A

cranial nerve 11

192
Q

origin: brachialis

A

anterior humerus

193
Q

origin: supinator

A

lateral humeral epicondyle and supinator crest of the ulna

194
Q

action: extensor pollicis brevis

A

extend proximal phalanx of thumb

195
Q

aconeus: origin

A

lateral humeral epicondyle

196
Q

muscles that make up the ‘rotator cuff’

A

supraspinatous, infraspinatous, teres minor, subscapularis

197
Q

innervation; aconeus

A

radial nerve

198
Q

innervation: triceps brachii

A

radial nerve (C6-C8)

199
Q

action: abductor pollicis longus

A

abduct the thumb

200
Q

innervation of latissimus dorsi

A

thoracodorsal nerve

201
Q

origin: pronator teres (humeral head)

A

medial epicondyle of humerus

202
Q

action: rhomboid major

A

adduct and elevate the scapula

203
Q

innervation: extensor pollicis longus

A

radial nerve

204
Q

Origin: extensor pollicis longus

A

ulna and interosseous membrane

205
Q

innervation: extensor indicis

A

radial nerve

206
Q

action: deltoid (middle)

A

abducts arm

207
Q

insertion: flexor carpi ulnaris

A

pisiform, hook of hamate, 5th metacarpal

208
Q

origin: extensor digit minimi

A

lateral humeral epicondyle

209
Q

action: Extensor Digiti Minimi

A

Extend 5th digit

210
Q

blood supply: abductor pollicis longus

A

posterior interosseous artery

211
Q

origin biceps brachii short head

A

coracoid process

212
Q

insertion: extensor digiti minimi

A

extensor hood of 5th digit

213
Q

insertion: extensor digitorum

A

the middle and distal phalanges of digits 2-5 through via the extensor expansions.

214
Q

blood supply: pronator teres

A

ulnar artery, radial artery

215
Q

insertion: extensor digiti minimi

A

extensor hood of 5th digit

216
Q

innervation; levatores costarum

A

dorsal rami of thoracic spinal nerves

217
Q

blood supply: extensor digiti minimi

A

posterior interosseous muscle

218
Q

innervation: supinator

A

radial nerve

219
Q

origin: Pronator quadratus

A

distal ulna

220
Q

origin: brachioradialis

A

lateral supracondyle region of humerus

221
Q

action : extensor digiti minimi

A

extend the 5th digit.

222
Q

origin: flexor carpi radialis

A

medial epicondyle of humerus

223
Q

origin: pronator teres (ulnar head)

A

coronoid process of ulna

224
Q

action: abductor pollicis brevis

A

abduct thumb

225
Q

origin: triceps brachii medial head

A

posterior medial surface of humerus

226
Q

blood supply: Subscapularis

A

artery to subscapularis

227
Q

blood supply: palmaris longus

A

ulnar artery

228
Q

action: brachioradialis

A

flexes forearm when in mid-prone position.

229
Q

action; flexor digitorum profunda

A

flex hand at wrist. flex all interphalangeal joints of digiits 2-5

230
Q

action pectoralis major

A
  1. Adducts and medially
    rotates the arm.
  2. Flexes arm
231
Q

insertion Pectoralis minor

A

coracoid process of scapula

232
Q

insertion: extensor pollicis longus

A

distal phalanx of thumb

233
Q

insertion; serratus posterior superior

A

ribs

234
Q

innervation: biceps brachii

A

musculocutaneous nerve (C5-C7)

235
Q

Nerve: Adductor Pollicis

A

ulnar nerve

236
Q

blood supply: adductor pollicis

A

deep palmar arterial arch

237
Q

action: adductor pollicis

A

adduct thumb

238
Q

action: palmaris brevis

A

tightens skin over hypothenar eminence

239
Q

nerve: palmaris brevis

A

ulnar nerve

240
Q

blood supply: palmaris brevis

A

ulnar artery (superficial palmar branches)

241
Q

Blood supply: abductor digiti minimi

A

ulnar artery

242
Q

Innervation: Abductor digiti minimi

A

Ulnar Nerve

243
Q

Action: Abductor Digiti Minimi

A

abduct 5th digit

244
Q

action: flexor digiti minimi brevis

A

flexes 5th digit

245
Q

Innervation: flexor digiti minimi brevis

A

ulnar nerve

246
Q

Blood supply: flexor digiti minimi brevis

A

ulnar artery

247
Q

action: opponens digiti minimi

A

rotate the 5th digit laterally to oppose it

248
Q

nerve: opponens digiti minimi

A

ulnar nerve

249
Q

blood supply: opponens digiti minimi

A

ulnar artery

250
Q

action : dorsal interossei muscles

A

abduct, extend PIP and DIP, Flex MP

251
Q

Nerve: Dorsal Interossei

A

Ulnar

252
Q

blood SUpply : dorsal interossei

A

dorsal and palmar metacarpal arteries

253
Q

action: palmar interossei muscle

A

adduct, extend PIP and DIP, flex Metacarpophalangeal joint

254
Q

nerve: palmar interossei muscle

A

ulnar nerve

255
Q

blood supply: palmar interossei muscle

A

palmar metacarpal arteries

256
Q

action: lumbricals

A

flex MP, extend PIP and DIP

257
Q

Nerve: lumbricals

A

lateral 2 : median

medial 2 : ulnar

258
Q

blood supply: lumbricals

A

superficial palmar arch, common palmar digital arteries, deep palmar arch, dorsal digital arteries

259
Q

transversospinalis muscle that extends across 5 or 6 vertebrae

A

semispinalis

260
Q

transversopinalis that extends across 3 or 4 vertebrae

A

mulifudus

261
Q

transversospinalis muscle that extends across 1 or 2 vertebrae

A

rotatores

262
Q

group of muscles that all extend from transverse process of vertebrae to spines of vertebrae above them

A

transversospinalis

263
Q

consists of 3 columns of muscle lying in parallel

A

erector spinae

264
Q

erector spinae muscle that goes from ilium and ribs to ribs and or transverse process above origin

A

iliocostalis

265
Q

erector spinae muscle that goes from transverse process to transverse process above origin

A

longissimus

266
Q

erector spinae muscle that goes from spinous process to spinous process above origin

A

spinalis

S&F1 (9 decks)

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