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ANAT102 > Muscle Attachments > Flashcards

Muscle Attachments Flashcards

1
Q

Pectoralis Major Sternal Head PA

A
  • Anterior manubrium and body of sternum
  • anterior costal cartilages 1-6
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2
Q

Pectoralis Major Sternal Head DA

A

Lateral lip of intertubercular groove of humerus

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3
Q

Pectoralis Major Sternal Head action

A

Shoulder adduction, shoulder extension, shoulder IR

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4
Q

Pectoralis Major Sternal Head nerve supply

A

Medial and lateral pectoral nerves (C5-T1)

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5
Q

Pectoralis Major clavicular head PA

A

Medial 1/2 anterior clavicle

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6
Q

Pectoralis Major clavicular head DA

A

Lateral lip of intertubercular groove of humerus

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7
Q

Pectoralis Major clavicular head actions

A

Add, flex, ext, IR

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8
Q

Pectoralis Major clavicular head nerve supply

A

medial and lateral pectoral nerves (C5-T1)

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9
Q

Latissimus dorsi PA
(SIR)

A
  • spinous processes of T6-S5 vertebrae
  • iliac crest
  • ribs 9-12
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10
Q

Latissimus dorsi DA

A

Floor of intertubercular groove of humerus

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11
Q

Latissimus dorsi actions

A

add, ext, IR

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12
Q

Latissimus dorsi nerve supply

A

thoracodorsal nerve (C6-8)

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13
Q

Trapezius PA

A
  • external occipital protuberance of skull
  • superior nuchal line of skull
  • acromion of scapula
  • ligametume nuchae
  • spinous processes of C7-T12 vertebrae
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14
Q

Trapezius DA

A
  • Lateral 1/3 clavicle
  • acromian process
  • medial end of spine of scapula
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15
Q

Trapezius actions

A

scapula elevation, depression, retraction, ER

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16
Q

Trapezius nerve supply

A

accessory nerve, anterior rami of 3rd and 4th cervical nerves

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17
Q

Rhomboid Major PA

A

spinous processes of T2-T5 vertebrae

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18
Q

Rhomboid Major DA

A

Medial border of scapula between base of spine and the inferior angle

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19
Q

Rhomboid Major actions

A

Retraction, IR

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20
Q

Rhomboid Major nerve supply

A

dorsal scapular nerve (C4-5)

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21
Q

Rhomboid minor PA

A

spinous process of C7-T1 vertebrae

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22
Q

Rhomboid minor DA

A

Medial border of scapula at base of spine

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23
Q

Rhomboid minor actions

A

Retraction, IR

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24
Q

Rhomboid minor nerve supply

A

Dorsal scapular nerve (C4-5)
*same as rhomboid major

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25
Q

Levator Scap PA

A

Transverse processes of C1-C3 vertebrae

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26
Q

Levator Scap DA

A

Medial border of scapula between superior angle and base of spine

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27
Q

Levator Scap actions

A

Elevatio, IR

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28
Q

Levator Scap nerve supply

A
  • anterior rami of 3rd and 4th cervical nerves
  • dorsal scapular nerve (C5)
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29
Q

Pectoralis Minor PA

A

Anterior surface to ribs 3-5

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30
Q

Pectoralis Minor DA

A

coracoid process

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31
Q

Pectoralis Minor actions

A

protraction, depression, IR

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32
Q

Pectoralis Minor nerve supply

A

Medial and lateral pectoral nerves (C5-T1)

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33
Q

Serratus anterior PA

A

anterior surface of ribs 1-8

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34
Q

Serratus anterior DA

A

Inferomedial border of scapula

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35
Q

Serratus anterior actions

A

Protraction, ER

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36
Q

Serratus anterior nerve supply

A

long thoracic nerve (C5-7)

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37
Q

Deltoid PA

A
  • lateral 1/3 clavicle (anterior fibres)
  • acromion process of scapula (middle fibres)
  • spine of scapula (posterior fibres)
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38
Q

Deltoid DA

A
  • deltoid tuberosity of humerus
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39
Q

Deltoid actions

A

abd, flex, Ext, IR, ER

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40
Q

Deltoid nerve supply

A

Axillary nerve (C5-6)

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41
Q

Coracobrachialis PA

A

Coracoid process

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42
Q

Coracobrachialis DA

A

medial side mid-shaft humerus

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43
Q

Coracobrachialis actions

A

Add, Flex

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44
Q

Coracobrachialis nerve supply

A

Musculocutaneous nerve (C5-7)

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45
Q

Teres major PA

A

Posterior surface of scapula near inferior angle

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46
Q

Teres major DA

A

medial lip of intertubercular groove of humerus

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47
Q

Teres major actions

A

Add, IR

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48
Q

Teres major nerve supply

A

Lower subscapular nerve (C5-7)

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49
Q

ROTATOR CUFF
Teres Minor PA

A

Lateral border of the scapula

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50
Q

ROTATOR CUFF
Teres Minor DA

A
  • greater tubercle of the humerus
  • capsule of the shoulder joint
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51
Q

ROTATOR CUFF
Teres Minor actions

A

ER

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52
Q

ROTATOR CUFF
Teres Minor nerve supply

A

Axillary nerve (C5-6)

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53
Q

ROTATOR CUFF
Subscapularis PA

A

subscapular fossa of scapula (anterior)

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54
Q

ROTATOR CUFF
Subscapularis DA

A
  • lesser tubercle of the humerus
  • capsule of shoulder jt
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55
Q

ROTATOR CUFF
Subscapularis actions

A

IR

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56
Q

ROTATOR CUFF
Subscapularis NS

A

upper and lower subscapular nerves (C5-7)

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57
Q

ROTATOR CUFF
Supraspinatus PA

A

Supraspinous fossa of scapula

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58
Q

ROTATOR CUFF
Supraspinatus DA

A
  • greater tubercle of the humerus
  • capsule of shoulder jt
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59
Q

ROTATOR CUFF
Supraspinatus actions

A

Abd

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60
Q

ROTATOR CUFF
Supraspinatus NS

A

suprascapular nerve (C5-6)

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61
Q

ROTATOR CUFF
Infraspinatus PA

A

Infraspinous fossa of scapula

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62
Q

ROTATOR CUFF
Infraspinatus DA

A
  • greater tubercle of humerus
  • capsule of shoulder jt
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63
Q

ROTATOR CUFF
Infraspinatus actions

A

ER

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64
Q

ROTATOR CUFF
Infraspinatus NS

A

suprascapular nerve (C5-6)

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65
Q

MUSCLES OF THE ARM
Biceps Brachii short head PA

A

coracoid process

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66
Q

MUSCLES OF THE ARM
Biceps Brachii short head DA

A
  • radial tuberosity
  • deep fasica of ulnar side of forearm via the bicipital aponeurosis
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67
Q

MUSCLES OF THE ARM
Biceps Brachii short head actions

A

flex, supination

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68
Q

MUSCLES OF THE ARM
Biceps Brachii short head nerve supply

A

musculocutaneous nerve

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69
Q

Biceps brachii long head PA

A
  • supraglenoid tubercle of scapula
  • superior part of glenoid labrum
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70
Q

Biceps Brachii long head DA

A
  • radial tuberosity
  • deep fascia of ulnar side of forearm via the bicipital aponeurosis
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71
Q

Biceps brachii long head actions

A
  • shoulder flex
  • elbow flex (more efficient when elbow is pronated)
  • forearm supination
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72
Q

Biceps brachii long head NS

A

musculocutaneous nerve

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73
Q

Triceps brachii long head PA

A
  • infraglenoid tubercle of scapula
  • inferior part of glenoid labrum
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74
Q

Triceps brachii long head DA

A
  • olecranon process of ulna
  • posterior capsule of elbow joint
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75
Q

triceps brachii long head Actions

A

shoulder ext, shoulder add

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76
Q

triceps brachii long head nerve supply

A

radial nerve

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76
Q

triceps brachii long head nerve supply

A

radial nerve

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77
Q

triceps brachii lateral head PA

A

posterior shaft of humerus lateral to the spiral groove

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78
Q

triceps brachii lateral head DA

A
  • olecranon process of ulna
  • posterior capsule of elbow jt
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79
Q

triceps brachii lateral head actions

A

shoulder add
shoulder ext
elbow ext

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80
Q

triceps brachii lateral head actions

A

shoulder add
shoulder ext
elbow ext

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81
Q

triceps brachii lateral head NS

A

radial

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82
Q

triceps brachii medial head PA

A
  • posterior shaft of the humerus medial to the spiral groove
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83
Q

triceps brachii medial head DA

A
  • olecranon process of ulna
  • posterior capsule of elbow jt
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84
Q

triceps brachii medial head actions

A

elbow ext
(although, hard to separate the other actions so can just say do all)

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85
Q

triceps brachii medial head NS

A

radial

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86
Q

Brachialis PA

A

distal 2/3 of anterior shaft of humerus

87
Q

Brachialis DA

A
  • ulnar tuberosity
  • coracoid process of ulna
88
Q

Brachialis actions

A

elbow flex

89
Q

Brachialis NS

A

musculocutaneous nerve

90
Q

Brachioradialis PA

A

Lateral supracondylar ridge of humerus

91
Q

Brachioradialis DA

A

Distal radius just proximal to the styloid process

92
Q

Brachioradialis actions

A
  • elbow flex
  • forearm pronation (to neutral)
  • forearm supination (to neutral)
93
Q

brachioradialis NS

A

radial nerve

94
Q

MUSCLES OF THE FOREARM
Anconeus PA

A
  • lateral epicondyle of humerus
  • posterior capsule of elbow jt
95
Q

Anconeus DA

A
  • proximal 1/4 posterior ulna
  • lateral surface of olecranon process of ulna
96
Q

Anconeus actions

A

elbow ext (weak)

97
Q

Anconeus NS

A

radial nerve

98
Q

Pronator teres PA

A
  • medial supracondylar ridge of humerus
  • medial epicondyle of humerus
  • medial surface of proximal ulna
99
Q

Pronator teres DA

A
  • impression for pronator teres on lateral midshaft of radius
100
Q

Pronator teres actions

A

elbow flex
forearm pronation

101
Q

pronator teres NS

A

median nerve

102
Q

pronator quadratus PA

A

distal 1/4 anterior ulna

103
Q

Pronator quadratus DA

A

distal 1/4 anterior radius

104
Q

Pronator quadratus actions

A

forearm pronation

105
Q

pronator quadratus nerve supply

A

median nerve

106
Q

Supinator PA

A
  • lateral epicondyle of the humerus
  • supinator crest and fossa on ulna
  • radial collateral and annular ligaments
107
Q

Supinator DA

A
  • posterior, lateral, and anterior aspects of proximal radius
108
Q

Supinator action

A

forearm supination

109
Q

supinator nerve supply

A

radial nerve

110
Q

flexor carpi radialis PA

A

common flexor origin on medial epicondyle of humerus

111
Q

flexor carpi radialis DA

A

bases of metacarpals 2 & 3

112
Q

flexor carpi radialis actions

A
  • wrist flex
  • radial deviation/ wrist abduction
113
Q

flexor carpi radialis NS

A

median nerve

114
Q

palmaris longus PA

A

common flexor origin on medial epicondyle of humerus

115
Q

palmaris longus DA

A
  • flexor retinaculum
  • palmar aponeurosis
116
Q

Palmaris longus Actions

A

wrist flex

117
Q

palmaris longus NS

A

median nerve

118
Q

flexor digitorum superficialis PA
(CUC)

A
  • common flexor origin on medial epicondyle of humerus
  • ulnar collateral ligament
  • coronoid process of ulna
119
Q

flexor digitorum superficialis DA

A

bases of middle phalanges of digits 2-5

120
Q

flexor digitorum superficialis actions

A

wrist flex
PIP, MCP flex

121
Q

flexor digitorum superficialis NS

A

median nerve

122
Q

flexor carpi ulnaris PA
(COP)

A
  • common flexor origin on medial epicondyle of humerus
  • olecranon process of ulna
  • proximal 2/3 posterior ulna
123
Q

flexor carpi ulnaris DA

A
  • hook of hamate and base of metacarpal 5 (via pisohamate ligament)
124
Q

flexor carpi ulnaris actions

A

wrist flex
ulnar deviation (adduction)

125
Q

flexor carpi ulnaris NS

A

ulnar nerve

126
Q

flexor digitorum profundus PA
(MPC)

A
  • coronoid process of ulna
  • proximal 3/4 ulna
  • middle 1/3 interosseous membrane
126
Q

flexor digitorum profundus PA
(MPC)

A
  • coronoid process of ulna
  • proximal 3/4 ulna
  • middle 1/3 interosseous membrane
127
Q

flexor digitorum profundus PA
(MPC)

A
  • coronoid process of ulna
  • proximal 3/4 ulna
  • middle 1/3 interosseous membrane
128
Q

flexor digitorum profundus DA

A

bases of distal phalanges of digits 2-5

129
Q

flexor digitorum profundus actions

A
  • wrist flex
  • DIP, PIP, MCP flex
130
Q

flexor digitorum profundus actions

A
  • wrist flex
  • DIP, PIP, MCP flex
131
Q

flexor digitorum profundus NS

A

ulnar nerve

132
Q

flexor pollicis longus PA

A
  • anterior surface of radius
  • adjacent interosseous membrane
133
Q

flexor pollicis longus DA

A

base of distal phalanx of thumb

134
Q

flexor pollicis longus actions

A

wrist flex
thumb IP, MCP, CMC flex

135
Q

flexor pollicis longus nerve supply

A

median nerve

136
Q

Extensor carpi radialis longus PA

A

lateral supracondylar ridge of humerus

137
Q

Extensor carpi radialis longus DA

A

base of metacarpal 2

138
Q

Extensor carpi radialis longus actions

A

wrist ext
radial deviation

139
Q

Extensor carpi radialis longus NS

A

radial nerve

140
Q

extensor carpi radialis brevis PA

A

common extensor tendon from lateral epicondyle of humerus

141
Q

extensor carpi radialis brevis DA

A

base of metacarpal 3

142
Q

extensor carpi radialis brevis actions

A

wrist ext
radial deviation

143
Q

extensor carpi radialis brevis nerve supply

A

radial nerve

144
Q

extensor digitorum PA

A

common extensor tendon on lateral epicondyle of humerus

145
Q

extensor digitorum DA

A

via extensor aponeurosis (dorsal digital expansion) to bases of middle and distal phalanges of digits 2-5

146
Q

extensor digitorum actions

A

wrist ext
DIP, PIP, MCP ext

147
Q

extensor digitorum nerve supply

A

radial nerve

148
Q

Extensor digiti minimi PA

A

common extensor tendon on lateral epicondyle of humerus

149
Q

Extensor digiti minimi DA

A

dorsal digital expansion of digit 5

150
Q

Extensor digiti minimi actions

A

DIP, PIP, MCP digit 5 ext

151
Q

Extensor digiti minimi NS

A

radial nerve

152
Q

Extensor carpi ulnaris PA

A
  • common extensor tendon on the lateral epicondyle of the humerus
  • posterior border of ulna
153
Q

Extensor carpi ulnaris DA

A

base of MC 5

154
Q

Extensor carpi ulnaris actions

A

wrist ext
ulnar deviation

155
Q

Extensor carpi ulnaris NS

156
Q

Abductor pollicis longus PA

A
  • proximal posterior ulna
  • middle 1/3 posterior radius
157
Q

Abductor pollicis longus DA

A

base of MC 1

158
Q

Abductor pollicis longus actions

A

thumb CMC abd

159
Q

Abductor pollicis longus NS

160
Q

Extensor pollicis longus PA

A

middle 1/3 posterior ulna

161
Q

Extensor pollicis longus DA

A

base of distal phalanx of thumb

162
Q

Extensor pollicis longus actions

A
  • wrist ext
  • thumb IP, MCP, CMC ext
163
Q

Extensor pollicis longus nerve supply

A

radial nerve

164
Q

Extensor pollicis brevis PA

A
  • middle part of posterior radius
  • adjacent interosseous membrane
165
Q

Extensor pollicis brevis DA

A

base of proximal phalanx of thumb

166
Q

Extensor pollicis brevis actions

A
  • wrist ext
  • thumb MCP, CMC ext
167
Q

Extensor pollicis brevis NS

A

radial nerve

168
Q

extensor indicis PA

A
  • distal posterior ulna
  • adjacent interosseous membrane
169
Q

extensor indicis DA

A

dorsal digital expansion of digit 2

170
Q

extensor indicis actions

A
  • wrist ext
  • DIP, PIP, MCP ext (dig 2)
171
Q

extensor indicis NS

A

radial nerve

172
Q

MUSCLES OF THE HAND
THENAR EMINENCE
Flexor pollicis brevis PA

A
  • flexor retinaculum
  • distal row of carpal bones
173
Q

Flexor pollicis brevis DA

A

base of proximal phalanx of thumb

174
Q

Flexor pollicis brevis actions

A

thumb MCP, CMC flex

175
Q

Flexor pollicis brevis nerve supply

A

median nerve

176
Q

Abductor pollicis brevis PA

A
  • flexor retinaculum
  • tubercles of scaphoid & trapezium
177
Q

Abductor pollicis brevis DA

A

base of proximal phalanx of thumb

178
Q

Abductor pollicis brevis actions

A

thumb MCP, CMC abd

179
Q

Abductor pollicis brevis NS

A

median nerve

180
Q

Opponens pollicis PA

A
  • flexor retinaculum
  • tubercle of trapezium
181
Q

Opponens pollicis DA

A

anterolateral surface of shaft of MC 1

182
Q

Opponens pollicis actions

A

Thumb MCP opposition

183
Q

Opponens pollicis NS

A

median nerve

184
Q

MUSCLES OF THE HYPOTHENAR EMINENCE
Flexor digiti minimi PA

A

hook of hamate

185
Q

Flexor digiti minimi DA

A

base of proximal phalanx of digit 5

186
Q

Flexor digiti minimi actions

A

MCP, CMC digit 5 flex

187
Q

Flexor digiti minimi NS

A

ulnar nerve

188
Q

Abductor digiti minimi PA

A
  • pisiform
  • tendon of flexor carpi ulnaris
189
Q

Abductor digiti minimi DA

A
  • dorsal digital expansion of digit 5
  • proximal phalanx of digit 5
190
Q

Abductor digiti minimi actions

A

MCP, CMC digit 5 abduction

191
Q

Abductor digiti minimi NS

A

ulnar nerve

192
Q

Opponens digiti minimi PA

A
  • hook of hamate
  • flexor retinaculum
193
Q

Opponens digiti minimi DA

A

medial surface of shaft of MC 5

194
Q

Opponens digiti minimi actions

A

CMC digit 5 opposition

195
Q

Opponens digiti minimi NS

A

ulnar nerve

196
Q

Adductor Pollicis PA

A
  • bases of metacarpals 2-4
  • shaft of MC 3
  • trapezoid & capitate
197
Q

Adductor Pollicis DA

A

base of proximal phalanx of thumb

198
Q

Adductor Pollicis actions

A

Thumb MCP, CMC add

199
Q

Adductor Pollicis NS

A

ulnar nerve

200
Q

Lumbricals PA

A

tendons of flexor digitorum profundus

201
Q

Lumbricals DA

A

via lateral sides of dorsal digit expansion (extensor aponeurosis) to bases of distal phalanges of digits 2-5

202
Q

Lumbricals actions

A

PIP, DIP ext
MCP flex

203
Q

Lumbricals NS

A

ulnar nerve

204
Q

Dorsal interossei PA

A

adjacent sides of MC’s of digits 1-5

205
Q

Dorsal interossei DA

A

dorsal digital expansion of digits 2-4

206
Q

Dorsal interossei actions

A

PIP, DIP ext
MCP abduction

207
Q

Dorsal interossei NS

A

ulnar nerve

208
Q

Palmar interossei PA

A

shaft of MC of digits 1, 2, 4&5

209
Q

Palmar interossei DA

A
  • dorsal digital expansion of digits 1,2,4 & 5
  • proximal phalanx of digits 1, 2, 4 & 5
210
Q

Palmar interossei actions

A

MCP flex
MCP add

211
Q

Palmar interossei NS

A

ulnar nerve

212
Q

Palmaris brevis PA

A

palmar aponeurosis

213
Q

Palmaris brevis DA

A

skin of medial border of hand

214
Q

Palmaris brevis actions

A

wrinkles skin of hypothenar eminence, deepens hollow of hand, helps for grip

215
Q

Palmaris brevis NS

A

ulnar nerve

ANAT102 (9 decks)

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