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Canine Anatomy > Canine Musculature > Flashcards

Canine Musculature Flashcards

1
Q

Origin of Obliquus Capitis Cranialis?

A

Ventral wing of Atlas (C1)

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2
Q

Insertion of Obliquus Capitis Cranialis?

A

Base of skull

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3
Q

Nerve supply of Obliquus Capitis Cranialis?

A

Dorsal branch of C2

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4
Q

Action of Obliquus Capitis Cranialis?

A

Rotates C1-C2

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5
Q

Origin of Obliquus Capitis Caudalis?

A

Dorsal wing of Atlas (C1)

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6
Q

Insertion of Obliquus Capitis Caudalis?

A

Dorsal spine of axis (C2)

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7
Q

Nerve supply of Obliquus Capitis Caudalis?

A

Dorsal branch of C2

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8
Q

Action of Obliquus Capitis Caudalis?

A

Rotates C1-C2

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9
Q

Origin of Rectus Capitis Dorsalis?

A

Spinous process of C2 and arch of C1

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10
Q

Insertion of Rectus Capitis Dorsalis?

A

Occiput

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11
Q

Nerve supply of Rectus Capitis Dorsalis?

A

Dorsal branch of C1

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12
Q

Action of Rectus Capitis Dorsalis?

A

Extends C1-skull

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13
Q

Origin of Rectus Capitis Lateralis?

A

Wings of C1

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14
Q

Insertion of Rectus Capitis Lateralis?

A

Jugular process

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15
Q

Nerve supply of Rectus Capitis Lateralis?

A

Dorsal branch of C1

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16
Q

Action of Rectus Capitis Lateralis?

A

Latero-flex C1-skull

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17
Q

Origin of Rectus Capitis Ventralis?

A

Ventral C2

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18
Q

Insertion of Rectus Capitis Ventralis?

A

Basioccipital bone

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19
Q

Nerve supply of are tuts Capitis Ventralis?

A

Dorsal branch of C1

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20
Q

Action of Rectus Capitis Ventralis?

A

Ventro-flex C1-skull

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21
Q

Origin of Splenius?

A

Spinous processes T3-5 via thoracolumbar fasci; nuchal ligament

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22
Q

Insertion of Splenius?

A

Nuchal crest, mastoid process, transverse processes C2-5

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23
Q

Nerve supply of Splenius?

A

Dorsal branch of Cervical and Thoracic segmental nerve

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24
Q

3 parts of Brachiocephalicus?

A

Cleidocervicalis

Cleidomastoideus

Cleidobrachialis

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25
Q

Origin of Cleidocervicalis and Cleidomastoideus (brachiocephalicus)?

A

Clavicular tendon, as Cleidocephalicus

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26
Q

Origin of Cleidobrachialis (Brachiocephalicus)?

A

Clavicular tendon

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27
Q

Insertion of Cleidocervicalis (Brachiocephalicus)?

A

Wing of Atlas (C1), nuchal crest

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28
Q

Insertion of Cleidomastoideus (Brachiocephalicus)?

A

Mastoid process

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29
Q

Insertion of Cleidobrachialis (Brachiocephalicus)?

A

Deltoid tuberosity & lateral antebrachial fascia

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30
Q

Nerve supply of Cleidocephalicus and Cleidomastoideus (Brachiocephalicus)?

A

Accessory spinal nerve

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31
Q

Nerve supply of Cleidobrachialis (Brachiocephalicus)?

A

Cleidobrachial nerve (part of the pectoral nerve)

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32
Q

Action of Brachiocephalicus (all 3 heads)?

A

Forelimb protractor

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33
Q

2 parts of Sternocephalicus?

A

Sternomastoideus

Sternooccipitalis

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34
Q

Origin of both Sternomastoideus and Sternooccipitalis?

A

Manubrium

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35
Q

Insertion of Sternomastoideus?

A

Mastoid process

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36
Q

Insertion of Sternooccipitalis?

A

Dorsal nuchal crest

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37
Q

Nerve supply of Sternomastoideus and Sternooccipitalis (Sternocephalicus)

A

Accessory spinal nerve

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38
Q

2 parts of Trapezius?

A

Cervicis

Thoracis

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39
Q

Origin of Cervicis Trapezius?

A

C2-T3

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40
Q

Insertion of Cervicis Trapezius?

A

Dorsal 2/3 spine of scapula

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41
Q

Origin of Thoracis Trapezius?

A

T3-10

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42
Q

Insertion of Thoracis Trapezius?

A

Dorsal 1/3 spine of scapula

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43
Q

Nerve supply of Trapezius?

A

Accessory spinal nerve

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44
Q

Action of Trapezius?

A

Controls scapula

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45
Q

Origin of Omotransversarius?

A

Wings of Atlas (C1)

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46
Q

Insertion of Omotransversarius?

A

Distal 1/3 of spine of scapula

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47
Q

Nerve supply of Omotransversarius?

A

Accessory spinal nerve

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48
Q

Action of Omotransversarius?

A

Controls scapula

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49
Q

2 parts of Serratus Ventralis?

A

Cervicis

Thoracis

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50
Q

Origin of Cervicis Serratus Ventralis?

A

Transverse process C4-7

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51
Q

Insertion of Cervicis Serratus Ventralis?

A

Scapula cartilage and medial surface of scapula

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52
Q

Origin of Thoracis Serratus Ventralis?

A

First 8-9 ribs

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53
Q

Insertion of Thoracis Serratus Ventralis?

A

Scapula cartilage and medial scapula

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54
Q

Nerve supply of Cervicis Serratus Ventralis?

A

Segmental cervical nerve

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55
Q

Nerve supply of Thoracis Serratus Ventralis?

A

Long thoracic nerve

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56
Q

Action of Cervicis and Thoracis Serratus Ventralis?

A

Thoracic sling

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57
Q

4 parts of Longissimus?

A

Capitis

Cervicis

Thoracis

Lumborum

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58
Q

Origin of all parts of Longissimus?

A

Dorso-lateral aspect of vertebrae, continuous

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59
Q

Insertion of all parts of Longissimus?

A

Dorso-lateral aspect or vertebrae, continuous

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60
Q

Nerve supply of all parts of Longissimus?

A

Segmental nerve

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61
Q

Origin of Latissimus Dorsi?

A

Supraspinous ligament from T3 caudally

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62
Q

Insertion of Latissimus Dorsi?

A

Teres Major tuberosity

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63
Q

Nerve supply of Latissimus Dorsi?

A

Thoracodorsal nerve C8

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64
Q

Action of Latissimus Dorsi?

A

Forelimb retractor

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65
Q

3 parts of Rhomboideus?

A

Capitis

Cervicis

Thoracis

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66
Q

Origin of Capitis Rhomboideus?

A

Nuchal crest

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67
Q

Origin or Cervicis and Thoracis Rhomboideus?

A

C2-T8

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68
Q

Insertion of Capitis, Cervicis and Thoracis Rhomboideus?

A

Distal border of scapular

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69
Q

Nerve supply of Rhomboideus?

A

Ventral branch of cervical and thoracic segmental nerve

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70
Q

Action of Rhomboideus?

A

Controls scapula

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71
Q

Origin of Supraspinatus?

A

Supraspinous fossa

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72
Q

Insertion of Supraspinatus?

A

Greater and lesser tubercles of humerus

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73
Q

Action of Supraspinatus?

A

Shoulder extensor

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74
Q

Origin of Infraspinatus?

A

Infraspinatus fossa

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75
Q

Insertion of Infraspinatus?

A

Greater tubercle of humerus

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76
Q

Action of Infraspinatus?

A

Shoulder stability

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77
Q

Nerve supply of Supraspinatus and Infraspinatus?

A

Suprascapular nerve C6(7)

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78
Q

Origin of Subscapularis?

A

Subscapula fossa

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79
Q

Insertion of Subscapularis?

A

Lesser tubercle of humerus

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80
Q

Nerve supply of Subscapularis?

A

Subscapular nerve C6 C7

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81
Q

Action of Subscapularis?

A

Shoulder stability

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82
Q

Origin of Coracobrachialis?

A

Corocoid process

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83
Q

Insertion of Coracobrachialis?

A

Teres major tuberosity

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84
Q

Action of Coracobrachialis?

A

Shoulder flexor (minor)

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85
Q

Origin of Biceps Brachii?

A

Supraglenoid tubercle

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86
Q

Insertion of Biceps Brachii?

A

Radial and Ulnar tuberosities via two tendons

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87
Q

Action of Biceps Brachii?

A

Elbow flexor

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88
Q

Origin of Brachialis?

A

Musculo-spiral groove of humerus

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89
Q

Insertion of Brachialis?

A

Radial and ulnar tuberosities via division of fibres

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90
Q

Action of Beachialis?

A

Elbow flexor

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91
Q

Nerve supply of Coracobrachialis, Biceps Brachii and Brachialis?

A

Musculocutaneousnerve C7

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92
Q

Origin of Teres Major?

A

Caudal angle of Scapula

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93
Q

Insertion of Teres Major?

A

Teres major tuberosity

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94
Q

Nerve supply of Teres Major?

A

Axillary nerve C7 C8

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95
Q

Action of Teres Major?

A

Shoulder flexor

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96
Q

Two parts of Deltoideus?

A

Spinous

Acromial

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97
Q

Origin of spinous Deltoideus?

A

Caudal border of scapula and spine of scapula

98
Q

Origin of Acromial Deltoideus?

A

Acromion

99
Q

Insertion of both Spinous and Acromial Deltoideus?

A

Deltoid tuberosity

100
Q

Nerve supply of Spinous and Acromial Deltoideus?

A

Auxiliary nerve C7 C8

101
Q

Action of Deltoideus?

A

Shoulder flexor

102
Q

4 heads of Triceps Brachii?

A

Long head

Lateral head

Medial head

Accessory head

103
Q

Origin of Long Head of Triceps Brachii?

A

Caudal border of scapula

104
Q

Origin of Lateral Head of Triceps Brachii?

A

Deltoid tuberosity

105
Q

Origin of Medial Head of Triceps Brachii?

A

Medially, middle 1/3 humerus

106
Q

Origin of Accessory head of Triceps Brachii?

A

Caudally, middle 1/3 humerus

107
Q

Insertion of all 4 heads of Triceps Brachii?

A

Olecranon

108
Q

Nerve supply of Triceps Brachii?

A

Radial nerve C7 C8 T1

109
Q

Action of Triceps Brachii?

A

Elbow extensor

110
Q

Origin of Pectoralis Superficialis?

A

Manubrium

111
Q

Insertion of Pectoralis Superificialis?

A

Deltoid tuberosity and fascia

112
Q

Origins of Pectoralis Profundus (3)?

A

Sternum and median raphe

Ribs 4-9
Abdominal fascia

113
Q

Insertion of Pectoralis Profundus?

A

Greater and lesser tubercles of humerus.

Tendon of Coracobrachialis

114
Q

Nerve supply of both Pectoralis Superficialis and Profundus?

A

Pectoral nerve C6 C7 C8 T1

115
Q

Origin of Extensor Carpi Radialis?

A

Lateral Humeral epicondyle

116
Q

Insertion of Extensor Carpi Radialis?

A

Proximal dorsal metacarpal II and metacarpal III via two tendons

117
Q

Nerve supply of Extensor Carpi Radialis?

A

Radial nerve C7 C8 T1

118
Q

Action of Extensor Carpi Radialis?

A

Carpal extensor

119
Q

3 heads of Extensor Digitorum Communis (3)?

A

Radial head

Humeral head

Ulnar head

120
Q

Origin of Radial Head of Extensor Digitorum Communis?

A

Lateral tuber of proximal radius

121
Q

Origin of Humeral Head of Extensor Digitorum Communis?

A

Lateral epicondyle of humerus

122
Q

Origin of Ulnar Head of Extensor Digitorum Communis?

A

Lateral surface of ulna

123
Q

Insertion of all 3 heads of Extensor Digitorum Communis?

A

Extensor processes P3, digits 2-5

124
Q

Action of Extensor Digitorum Communis?

A

Digital extensor

125
Q

Origin of Extensor Digitorum Lateralis?

A

Proximal lateral radius and ulna

126
Q

Insertion of Extensor Digitorum Lateralis?

A

Extensor processes P3, proximo-dorsal aspects of P1 and P2, digits 3-5

127
Q

Action of Extensor Digitorum Lateralis?

A

Digital extensor

128
Q

Nerve supply of Extensor Digitorum Communis and Extensor Digitorum Lateralis?

A

Radial nerve C7 C8 T1

129
Q

Origin of Extensor Carpi Ulnaris?

A

Lateral epicondyle of humerus

130
Q

Insertion of Extensor Carpi Ulnaris?

A

Proximal head of metacarpal V, including accessory carpal bone

131
Q

Nerve supply of Extensor Capri Ulnaris?

A

Radial nerve C7 C8 T1

132
Q

Action of Extensor Carpi Ulnaris?

A

Carpal extensor

133
Q

Origin of Flexor Carpi Radialis?

A

Medial epicondyle of humerus

134
Q

Insertion of Flexor Carpi Radialis?

A

Proximal metacarpal II and III

135
Q

Nerve supply of Flexor Carpi Radialis?

A

Median nerve C8 T12

136
Q

Action of Flexor Capri Radialis?

A

Carpal flexor

137
Q

Two heads of Flexor Carpi Ulnaris?

A

Humeral head

Ulnar head

138
Q

Origin of Humeral head of Flexor Carpi Ulnaris?

A

Medial epicondyle of humerus

139
Q

Origin of Ulnar Head of Flexor Carpi Ulnaris?

A

Medial olecranon

140
Q

Insertion of both Humeral and Ulnar heads of Flexor Carpi Ulnaris?

A

Accessory carpal bone

141
Q

Nerve supply of Flexor Carpi Ulnaris?

A

Ulnar nerve C8 T12

142
Q

Action of Flexor Carpi Ulnaris?

A

Carpal flexion

143
Q

3 heads of Flexor Digitorum Profundus?

A

Humeral head

Ulnar head

Radial head

144
Q

Origin of Humeral head of Flexor Digitorum Profundus?

A

Medial epicondyle of humerus

145
Q

Origin of Ulnar Head of Flexor Digitorum Profundus?

A

Medial olecranon

146
Q

Origin of Radial head of Flexor Digitorum Profundus?

A

Caudo-medial surface of radius

147
Q

Insertion of Humeral, Ulnar and Radial head of Flexor Digitorum Profundus?

A

Flexor surface of P3, digits 2-5

148
Q

Nerve supply of Humeral and Ulnar heads of Flexor Digitorum Profundus?

A

Ulnar nerve C8 T12

149
Q

Nerve supply of Radial head of Flexor Digitorum Profundus?

A

Median nerve C8 T12

150
Q

Action of Flexor Digitorum Profundus?

A

Digital flexor

151
Q

Origin of Flexor Digitorum Superficialis?

A

Medial epicondyle of humerus?

152
Q

Insertion of Flexor Digitorum Superficialis?

A

Flexor surfaces of P2, digits 2-5

153
Q

Action of Flexor Digitorum Superficialis?

A

Digital flexor

154
Q

Origin of Interossei?

A

Palmaro-proximal third of MC2 to MC5

155
Q

Insertion of Interossei?

A

Via proximal sesamoid bones to proximal P1, digits 2-5. Slips to extensor tendons

156
Q

Nerve supply of Interossei?

A

Ulnar nerve C8 T12

157
Q

Action of Interossei?

A

MC - phalange flexors

158
Q

2 parts of Iliopsoas?

A

Psoas Major

Iliacus

159
Q

Origin of Psoas Major (Iliopsoas)?

A

Transverse processes L2-3

160
Q

Insertion of Psoas Major (Iliopsoas)?

A

L4-L7 and lesser trochanter of femur

161
Q

Origin of Iliacus (Iliopsoas)?

A

Ventral border of Ilium

162
Q

Insertion of Iliacus (Iliopsoas)?

A

Lesser trochanter of femur

163
Q

Nerve supply of Iliopsoas?

A

Ventral branch of lumbar nerve

164
Q

Action of Iliopsoas?

A

Hip flexor

165
Q

4 parts of Quadriceps Femoris?

A

Rectus Femoris

Vastus Lateralis, Intermedius, Medialis

166
Q

Insertion of Rectus Femoris?

A

Iliopubic eminence

167
Q

Origin of Vastus Lateralis, Intermedius and Medialis?

A

Proximal femur

168
Q

Insertion of Quadriceps Femoris (Rectus Femoris & Vastus Lateralis, Intermedius, Medialis)?

A

Tibial tuberosity via patellar tendon

169
Q

Nerve supply of Quadriceps Femoris (Rectus Femoris & Vastus Lateralis, Intermedius, Medialis)?

A

Femoral nerve

170
Q

Action of Quadriceps Femoris (Rectus Femoris & Vastus Lateralis, Intermedius, Medialis)?

A

Stifle extensors

171
Q

Origin of Tensor Fascia Latae?

A

Dorsal border of ilium

172
Q

Insertion of Tensor Fascia Latae?

A

Fascia lata

173
Q

Nerve supply of Tensor Fascia Latae?

A

Cranial gluteal nerve L6 L7 S1

174
Q

Origin of Gluteus Medius?

A

Gluteal surface of ilium

175
Q

Insertion of Gluteus Medius?

A

Greater trochanter

176
Q

Origin of Gluteus Profundus?

A

Shaft of ilium to ischiatic spine

177
Q

Insertion of Gluteus Profundus?

A

Intertrochanteric fossa

178
Q

Nerve supply of Gluteus Medias and Gluteus Profundus?

A

Cranial gluteal nerve L6 L7 S1

179
Q

Action of Gluteus Medias and Gluteus Profundus?

A

Hip extensor

180
Q

Origin of Gluteus Superficialis?

A

Lateral borders of sacrum, Co 1 and sacrotuberous ligament

181
Q

Insertion of Gluteus Superficialis?

A

Third trochanter and fascia lata

182
Q

Nerve supply of Gluteus Superficialis?

A

Caudal gluteal nerve L6 L7 S1

183
Q

Action of Gluteus Superficialis?

A

Hip extensor

184
Q

Origin of Sartorius Cranialis and Sartorius Caudalis?

A

Fascia of iliac crest

185
Q

Insertion of Sartorius Cranialis?

A

Distal medial femoral fascia

186
Q

Insertion of Sartorius Caudalis?

A

Proximal medial tibial fascia

187
Q

Nerve supply of Sartorius Cranialis and Sartorius Caudalis?

A

Saphenous(branch of femoral nerve)

188
Q

Action of Sartorius Cranialis and Sartorius Caudalis?

A

Hindlimb protraction

189
Q

Origin of Obturator Externus?

A

Rim of Obturator foramen

190
Q

Insertion of Obturator Externus?

A

Intertrochanteric fossa

191
Q

Action of Obturator Externus?

A

Hip stability

192
Q

Origin of Pectineus?

A

Prepubic tendon

193
Q

Insertion of Pectineus?

A

Distal medial femoral fascia

194
Q

Origin of Adductor?

A

Entire pelvic symphysis

195
Q

Insertion of Adductor?

A

Caudal shaft of femur

196
Q

Action of Adductor?

A

Hip extensor

197
Q

Origin of Gracilis?

A

Pubic symphysis

198
Q

Insertion of Gracilis?

A

Medial fascia of proximal tibia

199
Q

Action of Gracilis?

A

Hip extensor

200
Q

Nerve supply of Obturator Externus, Pectineus, Adductor and Gracilis?

A

Obturator nerve L4 L5 L6

201
Q

2 parts of Semimembranosus?

A

Femoral

Tibial

202
Q

Origin of Femoral and Tibial Semimembranosus?

A

Ischial tuberosity

203
Q

Insertion of Femoral Semimembranosus?

A

Medial distal femoral fascia

204
Q

Insertion of Tibial Semimembranosus?

A

Medial proximal tibial fascia

205
Q

Origin of Semitendinosus?

A

Ischial tuberosity

206
Q

Insertion of Semitendinosus?

A

Cranial border of tibia. Slip to common calcaneal tendon

207
Q

Nerve supply of Semimembranosus and Semitendinosus?

A

Tibial nerve L6 L7 S1 S2

208
Q

Action of Semimembranosus and Semitendinosus?

A

Hip extensor

209
Q

Origin of Biceps Femoris?

A

Ischial tuberosity

210
Q

Insertion of Biceps Femoris?

A

Fascia lata, in region of lateral stifle. Slip to common calcaneal tendon

211
Q

Nerve supply of Biceps Femoris?

A

Tibial nerve L6 L7 S1 S2

212
Q

Action of Biceps Femoris?

A

Hip extensor

213
Q

Origin of Gastrocnemius?

A

Medial and lateral supracondylar tuberosities of femur

214
Q

Insertion of Gastrocnemius?

A

Gastrocnemius tendon (major part of common calcanean tendon) onto Calcaneus

215
Q

Nerve supply of Gastrocnemius?

A

Tibial nerve L6 L7 S1 S2

216
Q

Action of Gastrocnemius?

A

Tibio-tarsal extensor

217
Q

Origin of Flexor Digitorum Superficialis?

A

Supracondylar fossa of femur

218
Q

Insertion of Flexor Digitorum Superficialis?

A

Plantar surfaces of P2, digits 2-5

219
Q

Nerve supply of Flexor Digitorum Superficialis?

A

Tibial nerve L6 L7 S1 S2

220
Q

Origin of Flexor Digitorum Profundus?

A

Caudal surface of tibia and lateral tibial condyle

221
Q

Insertion of Flexor Digitorum Profundus?

A

Plantar surface of P3, digits 2-5

222
Q

Nerve supply of Flexor Digitorum Profundus?

A

Tibial nerve L6 L7 S1 S2

223
Q

Action of Flexor Digitorum Superficialis and Profundus?

A

Digital flexor

224
Q

Origin of Tibialis Cranialis?

A

Proximo-lateral tibial crest

225
Q

Insertion of Tibialis Cranialis?

A

Area of central tarsal bone, proximal MT2

226
Q

Origin of Fibularis Longus?

A

Lateral condyle of tibia

227
Q

Insertion of Fibularis Longus?

A

Proximal MT 3 and MT 4

228
Q

Nerve supply of Tibialis Cranialis and Fibularis Longus?

A

Fibular nerve L6 L7 S1 S2

229
Q

Action of Tibialis Cranialis and Fibularis Longus?

A

Tibio-tarsal flexor

230
Q

Origin of Extensor Digitorum Longus?

A

Lateral condyle of femur

231
Q

Insertion of Extensor Digitorum Longus?

A

Extensor processes of P3, digits 2-5

232
Q

Origin of Extensor Digitorum Lateralis?

A

Lateral tibia

233
Q

Insertion of Extensor Digitorum Lateralis?

A

Joins with Extensor Difitorum Longus to insert into P3, digit 5

234
Q

Origin of Extensor Digitorum Brevis?

A

Cranial aspect of tarsus

235
Q

Insertion of Extensor Digitorum Brevis?

A

Tendons of Extensor Digitorum Longus

236
Q

Nerve supply of Extensor Digitorum Longus, Lateralis and Brevis?

A

Fibular nerve L6 L7 S1 S2

237
Q

Action of Extensor Digitorum Longus, Lateralis and Brevis?

A

Digital extensors

238
Q

Origin of Interossei?

A

Palmaro-proximal third of MT2 to MT5

239
Q

Insertion of Interossei?

A

Via proximal sesamoid bones to proximal P1, digits 2-5. Slips to extensor tendons

240
Q

Nerve supply of Interossei?

A

Tibial nerve L6 L7 S1 S2

241
Q

Action of Interossei?

A

Metatarsal- phalanges flexor

Canine Anatomy (1 decks)

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