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MUSCLES ETC!!! > Muscles Practical 1 > Flashcards

Muscles Practical 1 Flashcards

1
Q

what is the origin of the trapezius?

A

External Occipital Protuberance
Superior nuchal line
Ligamentous nuchae
Spines of the thoracic vertebrae

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2
Q

what is the insertion of the trapezius?

A

Clavicle
Acromion process scapula
Spine of scapula

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3
Q

What is the action of the Trapezius?

A

stabilizes the scapula
Elevates the scapula
Middle and lower portion adducts scapula

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4
Q

What is the innervation of the Trapezius?

A

spinal accessory nerve

C4 C5

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5
Q

what is the origin of the Rhomboid Major?

A

spines of the upper thoracic

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6
Q

what is the insertion of the Rhomboid Major?

A

vertebral border of the scapula

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7
Q

what is the action of the Rhomboid Major?

A

stabilizes the scapula
Adducts scapula
Elevates scapula

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8
Q

what is the nerve innervation of the Rhomboid Major?

A

Dorsal Scapular Nerve C5

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9
Q

what is the origin of the Rhomboid Minor?

A

spines of the lower cervicals and T1

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10
Q

what is the insertion of the Rhomboid Minor?

A

vertebral border of the scapula

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11
Q

what is the action of the Rhomboid Minor?

A

stabilizes the scapula
Elevate scapula
Adducts scapula

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12
Q

what is the nerve innervation of the Rhomboid minor?

A

Dorsal Scapular Nerve C5

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13
Q

what is the origin of the Levator Scapula?

A

Transverse Process of the Upper cervicals

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14
Q

What is the insertion of the Levator Scapula?

A

Superior Angle of the scapula

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15
Q

what is the action of the levator scapula?

A

stabilizes the scapula
Adducts scapula
Elevate scapula

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16
Q

what is the nerve innervation of the levator scapula?

A

Dorsal scapula nerve C5

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17
Q

what are the three muscles innervated by the Dorsal scapular nerve?

A

Rhomboid Major,
Rhomboid Minor,
Levator Scapula

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18
Q

What is the origin of the latissimus dorsi?

A

spines of the lower thoracic and lumbars
Thoracodorsal fascia
Crest ilium
Lower ribs

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19
Q

what is the insertion of the latissimus dorsi?

A

intertubercular groove

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20
Q

what is the action of the latissimus dorsi?

A

Forced expiration

Extend and adducts and medially rotates the humerus

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21
Q

what is the nerve innervation of latissimus dorsi?

A

Thoracodorsal nerve

C6-8

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22
Q

what is the origin of the Serratus Anterior?

A

Upper Ribs

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23
Q

what is the insertion of the Serratus Anterior?

A

Vertebral border of the scapula

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24
Q

what is the action of the Serratus anterior?

A

stabilizes the scapula
Adducts scapula
Forced inspiration only when humerus abducted

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25
Q

what is the nerve innervation of the Serratus anterior?

A

Long Thoracic Nerve C5-7

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26
Q

what are the 5 muscles that have the action of stabilizing the scapula?

A 
Trapezius
Rhomboid Major
Rhomboid Minor
Levator Scapula
Serratus Anterior
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27
Q

what is the origin of the Deltoid?

A

Clavicle
Acromion process
Spine of scapula

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28
Q

what is the insertion of the Deltoid?

A

Deltoid Tuberosity of the humerus

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29
Q

what is the action of the deltoid?

A

Abducts arm middle
Flexes and medially rotates anterior
Extend and lateral rotates posterior

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30
Q

what is the nerve innervation of the deltoid?

A

Axillary Nerve C5-6

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31
Q

What is the origin of the Supraspinatous?

A

Supraspinous fossa of the scapula

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32
Q

insertion of the Supraspinatous?

A

Greater tuberosity of the Humerus

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33
Q

action of the Supraspinatous?

A

Helps stabilize the shoulder joint
Laterally rotates the humerus
Abduction of humerus

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34
Q

innervation of the supraspinatous?

A

Suprascapular Nerve C5-6

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35
Q

origin of the infraspinatous?

A

infraspinous fossa of the scapula

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36
Q

insertion of the infraspinatous?

A

greater tuberosity of the humerus

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37
Q

action of the infraspinatous?

A

helps stabilize shoulder joint

Lateral rotate humerus

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38
Q

innervation of infraspinatous

A

suprascapular nerve C5-6

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39
Q

origin of the subscapularis

A

subscapular fossa of scapula

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40
Q

insertion of the subscapularis

A

lesser tuberosity of humerus

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41
Q

action of the subscapularis

A

stabilizes shoulder joint

medially rotate humerus

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42
Q

innervation of the subscapularis

A

subscapular nerve C5-6

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43
Q

what are the two muscles innervated by the suprascapular nerve?

A

supraspinatous

infraspinatous

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44
Q

what three muscles insert at the greater tuberosity?

A

supraspinatous
infraspinatous
teres minor

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45
Q

what 3 muscles stabilize the shoulder joint?

A

subscapuaris
teres major
teres minor

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46
Q

origin of the teres major

A

inferior angle of scapula

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47
Q

insertion of the teres major

A

medial lip of intertubercular groove

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48
Q

action of the teres major

A

stabilizes the shoulder joint

adducts and medially rotates the humerus

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49
Q

origin of the teres minor

A

axillary border of scapula

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50
Q

insertion of the teres minor

A

greater tuberosity of the humerus

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51
Q

action of the teres minor

A

stabilizes the shoulder joint

laterally rotates humerus

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52
Q

origin of the triceps brachii long head?

A

infraglenoid tubercle of the scapula

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53
Q

origin of the medial and lateral heads of triceps brachii?

A

shaft of the humerus

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54
Q

insertion of all the triceps brachii heads?

A

olecranon process of the ulna

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55
Q

action of the all three triceps brachii heads?

A

extension of the forearm

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56
Q

innervation of all three triceps brachii heads?

A

radial nerve

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57
Q

origin of the biceps brachii short head?

A

coracoid process of scapula

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58
Q

origin of the biceps brachii long head?

A

supraglenoid tubercle of the scapula

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59
Q

insertion of both heads of the biceps brachii?

A

shaft of the ulna

tuberosity radius

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60
Q

action of the both heads of the biceps brachii?

A

flexion of forearm
supinator of forearm
short head adducts
long head abducts

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61
Q

innervation of both heads of the biceps brachii

A

Musculocutaneous nerve

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62
Q

origin of Coracobrachialis?

A

Coracoid process of scapula

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63
Q

insertion of Coracobrachialis?

A

shaft of the humerus

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64
Q

action of the Coracobrachialis?

A

flexion and weak adduction of arm

stabilize shoulder joint

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65
Q

innervation of the Coracobrachialis?

A

Musculocutaneous nerve

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66
Q

origin of the Brachialis?

A

shaft of humerus

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67
Q

insertion of the brachialis?

A

Coronoid process of the ulna

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68
Q

action of the brachialis?

A

flexion of the forearm

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69
Q

innervation of brachialis

A

musculocutaneous nerve

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70
Q

what are the muscles innervated by the musculocutaneous

A

short and long heads of biceps brachii
coracobrachialis
brachialis

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71
Q

origin of the pronator teres

A

medial epicondyle of humerus

coronoid process ulna

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72
Q

insertion of the pronator teres

A

pronator ridge of the radius

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73
Q

action of the pronator teres

A

pronates forearm at superior radio-ulnar joint

assist flexion at forearm

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74
Q

innervation of the pronator teres

A

median nerve

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75
Q

origin of Flexor Carpi Radialis

A

medial epicondyle of the humerus

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76
Q

insertion of Flexor Carpi Radialis

A

2nd metacarpal with small slip to 3rd

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77
Q

action of Flexor Carpi Radialis

A

flexion of hand at wrist joint

abduction of hand

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78
Q

innervation of Flexor Carpi Radialis

A

median nerve

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79
Q

origin of Palmaris Longus

A

medial epicondyle of humerus

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80
Q

insertion of palmaris longus

A

palmar aponeurosis

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81
Q

action of Palmaris Longus

A

helps flex the hand

tightens fascia of the hand

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82
Q

innervation of the Palmaris Longus

A

median nerve

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83
Q

Origin of Flexor Digitorum superficialis

A

medial epicondyle of humerus

shaft radius

84
Q

insertion of the Flexor digitorum superficialis

A

Middle phalanges of digits 2-5

85
Q

action of Flexor digitorum superficialis

A

helps flex the hand

assist in flexion at the wrist joint

86
Q

innervation of the Flexor digitorum superficialis

A

median nerve

87
Q

origin of Flexor Carpi Ulnaris

A

Medial epicondyle of humerus

oleocranon process ulna

88
Q

insertion of Flexor Carpi Ulnaris

A

pisiform
hamate
5th metacarpal

89
Q

action of the Flexor Carpi Ulnaris?

A

Flexion of hand at the wrist joint

adduction of the hand

90
Q

innervation of Flexor Carpi Ulnaris

A

Ulnar Nerve

91
Q

what 5 muscles have the origin of the medial epicondyle of the humerus?

A 
Pronator Teres
Flexor Carpi Radialis
Palmaris Longus
Flexor Digitorum Superficialis
Flexor Carpi Unaris
92
Q

origin of Flexor Digitorum Profundus

A

shaft of the Ulna

93
Q

insertion of the Flexor Digitorum profundus

A

Distal phalanges of digits 2-5

94
Q

action of the Flexor digitorum profundus

A

helps flex the hand

flexes at the DIP digits 2-5

95
Q

innervation of the flexor digitorum profundus

A

ulnar and median nerve

96
Q

origin of the flexor pollicus longus

A

shaft of the radius

97
Q

insertion of the flexor pollicus longus

A

distal phalanx of digit 1

98
Q

action of flexor pollicus longus

A

flexes the thumb at IP joint

99
Q

innervation of the flexor pollicus longus

A

median nerve

100
Q

origin of the pronator quadratus

A

shaft of the ulna

101
Q

insertion of the pronator quadratus

A

shaft of the radius

102
Q

action of the pronator quadratus

A

pronation of forearm at the inferior radial-ulnar joint

stabilize the radioulnar joint

103
Q

origin of the pectoralis major

A

clavicle

104
Q

insertion of pectoralis major

A

greater tubercle of humerus

105
Q

action of the pectoralis major

A

adduction and medial rotation of humerus

106
Q

innervation of pectoralis major

A

medial and lateral pectoral nerve

107
Q

origin of the pectoralis minor

A

upper ribs

108
Q

insertion of the pectoralis minor

A

coracoid process of the scapula

109
Q

action of the pectoralis minor

A

protraction/abduction of scapula

110
Q

innervation of the pectoralis minor

A

medial pectoral nerve

111
Q

origin of the subclavius

A

first rib

112
Q

insertion of the subclavius

A

subclavian groove of the clavicle

113
Q

action of the subclavius

A

moves clavicle medially

114
Q

innervation of subclavius

A

nerve to the subclavius

115
Q

origin of the brachioradialis

A

lateral supercondylar ridge of humerus

116
Q

insertion of brachioradialis

A

styloid process of radius

117
Q

action of brachioradialis

A

help flex forearm

118
Q

innervation of the brachoradialis

A

radial nerve

119
Q

origin of Extensor Carpi Radialis longus

A

lateral epicondyle of humerus

120
Q

insertion of extensor carpi radialis longus

A

2nd metacarpal

121
Q

action of the extensor carpi radialis longus

A

extend the hand

abduct hand

122
Q

innervation of the extensor carpi radialis longus

A

radial nerve

123
Q

origin of extensor carpi radialis brevis

A

lateral epicondyle of humerus

124
Q

insertion of extensor carpi radialis brevis

A

3rd metacarpal

125
Q

action of extensor carpi radialis brevis

A

extend the hand

126
Q

innervation of the extensor carpi radialis brevis

A

radial nerve

127
Q

origin of extensor digitorum maximus

A

lateral epicondyle of humerus

128
Q

insertion of extensor digitorum maximus

A

middle phalanx of digits 2-5

129
Q

innervation of extensor digitorum maximus

A

radial nerve

130
Q

origin of extensor digiti minimi

A

lateral epicondyle of the humerus

131
Q

insertion of extensor digiti minimi

A

proximal phalanx of digit 5

132
Q

action of extensor digiti minimi

A

extends digit 5

133
Q

innervation of extensor digiti minimi

A

radial nerve

134
Q

origin of extensor carpi ulnaris

A

lateral epicondyle of humerus

135
Q

insertion of extensor carpi ulnaris

A

5th metacarpal

136
Q

action of extensor carpi ulnaris

A

extends and adducts the hand

137
Q

innervation of the extensor digiti minimi

A

radial nerve

138
Q

origin of supinator

A

lateral epicondyle humerus

supinator crest of ulna

139
Q

insertion of supinator

A

shaft or radius

140
Q

action of supinator

A

supinates forearm

141
Q

innervation of supinator

A

radial nerve

142
Q

origin of abductor pollicus longus

A

shaft of ulna and radius

143
Q

insertion of abductor pollicus longus

A

1st metacarpal

144
Q

action of abductor pollicus longus

A

abducts digit 1 at C-M joint

145
Q

innervation of abductor pollicus longus

A

radial nerve

146
Q

origin of extensor pollicus brevis

A

shaft of radius

147
Q

insertion of extensor pollicus brevis

A

proximal phalanx of digit 1

148
Q

action of extensor pollicus brevis

A

extends digit 1 at M-P joint

149
Q

innervation of extensor pollicus brevis

A

radial nerve

150
Q

origin of extensor pollicus longus

A

shaft of ulna

151
Q

insertion of extensor pollicus longus

A

distal phalanx of digit 1

152
Q

action of extensor pollicus longus

A

extends digit 1 at I-P joint

153
Q

innervation of extensor pollicus longus

A

radial nerve

154
Q

origin of extensor indicus

A

shaft of the ulna

155
Q

insertion of the extensor indicus

A

proximal phalanx of digit 2

156
Q

action of extensor indicus

A

extends digit 2 at M-P joint

157
Q

innervation of extensor indicus

A

radial nerve

158
Q

origin of aconeus

A

lateral epicondyle of humerus

159
Q

insertion of aconeous

A

olecranon process of ulna

160
Q

action of aconeous

A

extends forearm

161
Q

innervation of aconeous

A

radial nerve

162
Q

origin of abductor pollicus brevis

A

trapezium and scaphoid

163
Q

insertion of abductor pollicus brevis

A

proximal phalanx of digit 1

164
Q

action of abductor pollicus brevis

A

abducts digit 1 at M-P joint

165
Q

innervation of abductor pollicus brevis

A

median nerve

166
Q

origin of opponens pollicus

A

trapezium

167
Q

insertion of opponens pollicus

A

1st metacarpal

168
Q

action of opponens pollicus

A

medial rotates 1st metacarpal

169
Q

innervation of opponens pollicus

A

median nerve

170
Q

origin of flexor pollicus brevis

A

trapezium trapezoid capitate

171
Q

insertion of flexor pollicus brevis

A

proximal phalanx of digit 1

172
Q

action of flexor pollicus brevis

A

flexes digit 1 at M-P joint

173
Q

innervation of flexor pollicus brevis

A

ulnar and media nerve

174
Q

origin of adductor pollicus

A

trapezoid capitate 2-3 metacarpls

175
Q

insertion of adductor pollicus

A

proximal phalanx of digit 1

176
Q

action of adductor pollicus

A

adducts digit 1

177
Q

innervation of adductor pollicus

A

ulnar nerve

178
Q

origin of abductor digit quinti

A

pisiform

179
Q

insertion of abductor digiti quinti

A

proximal phalanx digit 5

180
Q

action of abductor digiti quinti

A

abducts digit 5

181
Q

innervation of abductor digiti quinti

A

ulnar nerve

182
Q

origin of flexor digiti quinti

A

hamate

183
Q

insertion of flexor digiti quinti

A

proximal phalanx of digit 5

184
Q

action of flexor digiti quinti

A

flexes digit 5 at M-P joint

185
Q

innervation of flexor digiti quinti

A

ulnar nerve

186
Q

origin of opponens digiti quinti

A

hamate

187
Q

insertion of opponens digiti quinti

A

5th metacarpal

188
Q

action of opponens digiti quinti

A

laterally rotates 5th metacarpal

189
Q

innervation of opponens digiti quinti

A

ulnar nerve

190
Q

origin of opponens digiti quinti

A

hamate

191
Q

insertion of opponens digiti quinti

A

5th metacarpal

192
Q

action of opponens digiti quinti

A

laterally rotates 5th metacarpal

193
Q

innervation of opponens digiti quinti

A

ulnar nerve

194
Q

origin of lumbricals

A

tendons of flexor digitorum profundus muscle

195
Q

insertion of lumbricals

A

tendons of extensor digitorum muscle

196
Q

action of lumbricals

A

flexes M-P joints

197
Q

innervation of lumbricals

A 
ulnar digits (3&4)
median (1&2)
198
Q

origin of Dorsal Interossei

A

2nd- 4th metacarpal

199
Q

insertion of dorsal interossei

A

proximal phalanx of digit 2 and 4

200
Q

action of dorsal interossei

A

abducts digits 2-4

201
Q

innervation of dorsal interossei

A

ulnar nerve

202
Q

Innervation of the teres minor

A

Lower subscapular nerve

203
Q

Innervation of the teres minor

A

Axillary nerve

204
Q

innervation to pronator quadratus

A

median nerve

205
Q

action extensor digitorum maximus

A

extend digit 2-5
extend hand at wrist joint
abduct digit 2.4.5

MUSCLES ETC!!! (6 decks)

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