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Equine Anatomy > Equine Muscles Table > Flashcards

Equine Muscles Table Flashcards

1
Q

Origin of Obliquus Capitis Cranialis?

A

Ventral wing of Atlas (C1)

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2
Q

Insertion of the 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 with 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 Rectus 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

Origins of Splenius (2)?

A

Spinous processes T3-5 via thoracolumbar fascia

Nuchal ligament

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22
Q

Insertions of Splenius (3)?

A

Nuchal crest

Mastoid process

Transverse processes C2-5

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23
Q

Nerve supply of Splenius?

A

Dorsal branches of C3-C8

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24
Q

Action of Splenius?

A

Elevates, extends and laterally flexes the neck

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25
Q

Origins of Brachiocephalicus (3)?

A

Wings of Atlas (C1)

Mastoid process

Nuchal Crest

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26
Q

Insertions of Brachiocephalicus (2)?

A

Deltoid tuberosity

Lateral antebrachial fascia

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27
Q

Nerve supply of Brachiocephalicus (3)?

A

Accessory nerve

Cervical spinal nerve

Axillary nerve

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28
Q

Action of Brachiocephalicus?

A

Forelimb protraction

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29
Q

Origin of Sternomandibularis?

A

Manubrium

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30
Q

Insertion of Sternomandibularis?

A

Caudal border of mandible

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31
Q

Nerve supply of Sternomandibularis?

A

Branch of accessory nerve

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32
Q

Action of Sternomandibularis?

A

Lower the head

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33
Q

What are the two parts of Serratus Ventralis?

A

Cervicis

Thoracis

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34
Q

Origin of Cervicis Serratus Ventralis?

A

Transverse process C4-7

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35
Q

Origin of Thoracis Serratus Ventralis?

A

First 8-9 ribs

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36
Q

Insertions of both Cervicis and Thoracis Serratus Ventralis (2)?

A

Scapula cartilage

Medial surface of scapula

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37
Q

Nerve supplies of both Cervicis and Thoracis Serratus Ventralis (2)?

A

Branches of C5-8

Long Thoracic nerve

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38
Q

Action of both Cervicis and Thoracis Serratus Ventralis?

A

Thoracic sling

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39
Q

Origin of Latissimus Dorsi?

A

Supraspinous ligament from T3 caudally

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40
Q

Insertion of Latissimus Dorsi?

A

Teres Major tuberosity

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41
Q

Nerve supply of Latissimus Dorsi?

A

Thoracodorsal nerve

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42
Q

Action of Latissimus Dorsi?

A

Forelimb retractor

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43
Q

What are the two parts of Rhomboideus?

A

Cervicis

Thoracis

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44
Q

Origin of Cervicis Rhomboideus?

A

Nuchal ligament from C2-T2

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45
Q

Origin of Thoracis Rhomboideus?

A

Dorsal spines of T2-8

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46
Q

Insertion of both Cervicis and Thoracis Rhomboideus?

A

Medial surface of scapular cartilage

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47
Q

Nerve supply of both Cervicisand Thoracis Rhomboideus (2)?

A

C6-7

Dorsal branch of thoracic spinal nerve

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48
Q

Action of both Cervicis and Thoracis Rhomboideus?

A

Controls scapula

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49
Q

What are the two parts of Trapezius?

A

Cervicis

Thoracis

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50
Q

Origin of Cervicis Trapezius?

A

Nuchal & Supraspinous ligaments C2-T3

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51
Q

Insertion of Cervicis Trapezius?

A

Spine of scapula

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52
Q

Origin of Thoracis Trapezius?

A

Unchallenged & Supraspinous ligaments T3-10

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53
Q

Insertion of Thoracis Trapezius?

A

Dorsal 1/3 of spine of scapula

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54
Q

Nerve supply of both Cervicis & Thoracis Trapezius?

A

Accessory nerve

Dorsal branch of Thoracic spinal nerve

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55
Q

Action of both Cervicis and Thoracis Trapezius?

A

Controls scapula

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56
Q

Origin of Supraspinatus?

A

Supraspinatus fossa

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57
Q

Insertions of Supraspinatus (2)?

A

Greater & lesser tubercles of humerus

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58
Q

Nerve supply of Supraspinatus?

A

Suprascapular nerve

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59
Q

Action of Supraspinatus?

A

Extends shoulder

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60
Q

Origin of Infraspinatus?

A

Infraspinatus fossa

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61
Q

Insertion of Infraspinatus?

A

Greater tubercle of humerus

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62
Q

Nerve supply of Infraspinatus?

A

Suprascapular nerve

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63
Q

Action of Infraspinatus?

A

Stabilises shoulder joint

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64
Q

Origin of Subscapularis?

A

Subscapular fossa

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65
Q

Insertion of Subscapularis?

A

Lesser tubercle of humerus

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66
Q

Nerve supplies of Subscapularis (3)?

A

Subscapular nerve

Pectoral nerve

Axillary nerve

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67
Q

Action of Subscapularis?

A

Stabilises shoulder joint

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68
Q

Origin of Teres Major?

A

Caudal angle of scapula

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69
Q

Insertion of Teres Major?

A

Teres Major tuberosity

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70
Q

Nerve supply of Teres Major?

A

Axillary nerve

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71
Q

Action of Teres Major?

A

Shoulder flexor

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72
Q

Origins or Deltoideus (2)?

A

Caudal border of scapula

Spine of scapula

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73
Q

Insertion of Deltoideus?

A

Deltoid tuberosity

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74
Q

Nerve supply of Deltoideus?

A

Axillary nerve

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75
Q

Action of Deltoideus?

A

Shoulder flexor

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76
Q

What are the 3 heads of Triceps Brachii?

A

Long head

Lateral head

Medial head

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77
Q

Origin of the Long Head of Triceps Brachii?

A

Caudal border of scapula

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78
Q

Origin of the Lateral Head of Triceps Brachii?

A

Deltoid tuberosity

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79
Q

Origin of the Medial Head of Triceps Brachii?

A

Medially, middle 1/3 humerus

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80
Q

Insertion of the Long, Lateral & Medial Triceps Brachii?

A

Olecranon

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81
Q

Nerve supply of the Long, Lateral & Medial heads of Triceps Brachii?

A

Radial nerve

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82
Q

Action of the Long, Lateral & Medial heads of Triceps Brachii?

A

Elbow extensor

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83
Q

What are the two parts of Pectoralis Superficialis?

A

Descendens

Transversus

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84
Q

What is the origin of Descendens Pectoralis Superficialis?

A

Manubrium

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85
Q

What is the insertion of Descendens Pectoralis Superficialis?

A

Deltoid tuberosity & fascia

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86
Q

Origin of Transversus Pectoralis Superficialis?

A

Ventral edge of sternum

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87
Q

Insertion of Transversus Pectoralis Superficialis?

A

Fascia of proximal third of antebrachium

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88
Q

Nerve supply of Descendens & Transversus Pectoralis Superficialis, and Prescapular and Ascendens Pectoralis Profundus (3)?

A

Cranial & caudal pectoral nerve

Intercostal nerve

Musculocutaneous nerve

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89
Q

Action of Pectoralis Superficialis?

A

Elbow extensor

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90
Q

Two parts of Pectoralis Profundus?

A

Prescapular part

Ascendens

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91
Q

Origins of Prescapular part of Pectoralis Profundus (2)?

A

Cranial sternum

Ribs 1-4

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92
Q

Insertions of Prescapular part of Pectoralis Profundus (2)?

A

Aponeurosis or supraspinatus

Scapular fascia

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93
Q

Origins of Ascendens Pectoralis Profundus (3)?

A

Abdominal fascia

Ventral sternum

Ribs 4-9

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94
Q

Insertions of Ascendens Pectoralis Profundus (2)?

A

Lesser tubercle of humerus

Tendon of Coracobrachialis

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95
Q

Action of both Prescapular and Ascendens Pectoralis Profundus?

A

Addict the limb

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96
Q

Origin of Coraobrachialis?

A

Coracoid process of scapula

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97
Q

Insertions of Coracobrachialis (2)?

A

Teres major tuberosity

Middle third of humerus

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98
Q

Nerve supply of Coracobrachialis?

A

Musculocutaneous nerve

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99
Q

Actions for Coracobrachialis?

A

Shoulder flexor

100
Q

Origin of Biceps Brachii?

A

Supraglenoid tubercle

101
Q

Insertions of Biceps Brachii (3)?

A

Radial tuberosity

Medial collateral ligament

Tendon to extensor carpi radialis (lacertus fibrosus)

102
Q

Nerve supply of Biceps Brachii?

A

Musculocutaneous nerve

103
Q

Action of Biceps Brachii?

A

Elbow flexor

104
Q

Origin or Brachialis?

A

Musculo-spiral groove of humerus

105
Q

Insertion of Brachialis?

A

Proximo-medial surface of radius

106
Q

Nerve supply of Brachialis (2)?

A

Musculocutaneous nerve

Radial nerve

107
Q

Action of Brachialis?

A

Elbow flexor

108
Q

Origin of Extensor Carpi Radialis?

A

Lateral humeral epicondyle & fascia

109
Q

Insertion of Extensor Carpi Radialis?

A

Proximal dorsal metacarpal 3

110
Q

Nerve supply of Extensor Carpi Radialis?

A

Radial nerve

111
Q

Action of Extensor Carpi Radialis?

A

Carpal extensor

112
Q

3 heads of Extensor Digitorum Communis?

A

Radial head

Humeral head

Ulnar head

113
Q

Origin of Radial head of Extensor Digitorum Communis?

A

Lateral tuber of proximal radius

114
Q

Origin of Humeral head of Extensor Digitorum Communis?

A

Lateral epicondyle of humerus

115
Q

Origin of Ulnar head of Extensor Digitorum Communis?

A

Lateral surface of ulna

116
Q

Insertions of Radial, Humeral & Ulnar heads of Extensor Digitorum Communis (2)?

A

Extensor processor distal phalanx (P3)

Proximo-dorsal aspects of P1 & P2

117
Q

Nerve supply of Radial, Humeral & Ulnar heads of Extensor Digitorum Communis?

A

Radial nerve

118
Q

Action of radial, Humeral, and ulnar heads of Extensor Digitorum Communis?

A

Extend carpus

119
Q

Origin of Extensor Digitorum Lateralis?

A

Proximal radius & ulna

120
Q

Insertion of Extensor Digitorum Lateralis?

A

Proximo-dorsal aspect of proximal phalanx (P1)

121
Q

Nerve supply of Extensor Digitorum Lateralis?

A

Radial nerve

122
Q

Action of Extensor Digitorum Lateralis?

A

Carpal extensor

123
Q

Origin of Ulnaris Lateralis?

A

Lateral epicondyle of humerus

124
Q

Insertions of Ulnaris Lateralis (2)?

A

Accessory carpal bone

Proximal head of metacarpal 4

125
Q

Nerve supply of Ulnaris Lateralis?

A

Radial nerve

126
Q

Action of Ulnaris Lateralis?

A

Carpal flexor

127
Q

Origin of Flexor Carpi Radialis?

A

Medial epicondyle of humerus

128
Q

Insertion of Flexor Carpi Radialis?

A

Proximal metacarpal 2

129
Q

Nerve supply of Flexor Carpi Radialis?

A

Median nerve

130
Q

Action of Flexor Carpi Radialis?

A

Carpal flexor

131
Q

2 heads of Flexor Carpi Ulnaris?

A

Humeral head

Ulnar head

132
Q

Origin of Humeral head of Flexor Carpi Ulnaris?

A

Medial epicondyle of humerus

133
Q

Origin of ulnar head of Flexor Carpi Ulnaris?

A

Medial olecranon

134
Q

Insertion of both Humeral and ulnar head of Flexor Carpi Ulnaris?

A

Accessory carpal bone

135
Q

Nerve supply of Flexor Carpi Ulnaris?

A

Ulnar nerve

136
Q

Action of Flexor Carpi Ulnaris?

A

Carpal flexor

137
Q

3 heads of Flexor Digitorum Profundus?

A

Humeral head

Ulnar head

Radial head

138
Q

Origin of Humeral head of Flexor Digitorum Profundus?

A

Medial epicondyle of humerus

139
Q

Origin of Ulnar head of Flexor Digitorum Profundus?

A

Medial olecranon

140
Q

Origin of Radial head of Flexor Digitorum Profundus?

A

Caudo-medial surface of radius

141
Q

Insertion of Humeral, Ulnar & Radial heads of Flexor Digitorum Profundus?

A

Flexor surface of distal phalanx (P3), including the distal sesamoid (navicular) bone

142
Q

Nerve supplies of Humeral, ulnar and radial heads of Flexor Digitorum Profundus (2)?

A

Median nerve

Ulnar nerve

143
Q

Action of Humeral, ulnar and radial heads of Flexor Digitorum Profundus?

A

Carpal flexor

144
Q

Origin of Flexor Digitorum Superficialis?

A

Medial epicondyle of humerus

145
Q

Insertions of Flexor Digitorum Superficialis (2)?

A

Proximal phalanx (P1)

Middle phalanx (P2)

146
Q

Nerve supply of Flexor Digitorum Superficialis?

A

Ulnar nerve

147
Q

Action of Flexor Digitorum Superficialis?

A

Carpal flexor

148
Q

Origin of Interosseus (suspensory ligament)?

A

Palmaro-proximal third of metacarpal 3

149
Q

Insertion of Interosseus (suspensory ligament)?

A

Via proximal sesamoid bones: crucial element, oblique and straight distal sesamoidean ligaments

150
Q

Action of Interosseus (suspensory ligament)?

A

Prevent over extension of metacarpophalangeal joint

151
Q

Origins of Gluteus Superficialis (2)?

A

Tuber coaxae

Lumbar fascia

152
Q

Insertions of Gluteus Superficialis (2)?

A

Third trochanter

Fascia lata

153
Q

Nerve supply of Gluteus Superficialis?

A

Cranial and caudal gluteal nerves

154
Q

Action of Gluteus Superficialis?

A

Hip flexor

155
Q

Origins of Gluteus Medius (4)?

A

Longissimus lumborum

Ilium

Sacrum

Sacroiliac and sacrosciatic ligaments

156
Q

Insertion of Gluteus Medius?

A

Greater trochanter

157
Q

Nerve supply of Gluteus Medius?

A

Cranial and caudal gluteal nerves

158
Q

Action of Gluteus Medius?

A

Hip extensor

159
Q

Origins of Gluteus Profundus (2)?

A

Ischiatic spine

Ilium

160
Q

Insertion of Gluteus Profundus?

A

Greater trochanter

161
Q

Nerve supply of Gluteus Profundus?

A

Cranial gluteal nerve

162
Q

Action of Gluteus Profundus?

A

Hip extensor

163
Q

Origin of Tensir Fascia Latae (TFL)?

A

Tumblr coxae

164
Q

Insertions of TFL?

A

Via fascia lata: patella, lateral patellar tendon, cranial border of tibia & third trochanter

165
Q

Nerve supply of TFL?

A

Cranial gluteal nerve

166
Q

Action of TFL?

A

Hip flexor

167
Q

2 parts of Iliopsoas?

A

Psoas Major

Iliacus

168
Q

Origins of Psoas Major (Iliopsoas) (2)?

A

Ventral surfaces of lumbar transverse processes

Last 2 ribs

169
Q

Origins of Iliacus (Iliopsoas) (4)?

A

Sacropelvic surface of ilium

Ventral sacroiliac ligaments

Sacrum

Tendon of Psoas minor

170
Q

Insertion of Psoas Major and Iliacus (Iliopsoas)?

A

Lesser trochanter of femur

171
Q

Nerve supply of both Psoas Major and Iliacus (Iliopsoas)?

A

Lumbar and femoral nerves

172
Q

Action of both Psoas Major and Iliacus (Ilipsoas)?

A

Hip flexor

173
Q

Origins of Sartorius (2)?

A

Iliac fascia

Tendon of Psoas Minor

174
Q

Insertions of Sartorius (2)?

A

Medial patellar tendon

Tibial tuberosity

175
Q

Nerve supply of Sartorius?

A

Saphenous nerve (branch of femoral nerve)

176
Q

Action of Sartorius?

A

Hip flexor

177
Q

4 parts of Quadriceps?

A

Rectus Femoris
Vastus Lateralis
Vastus Intermedialis
Vastus Medialis

178
Q

Origin of Rectus Femoris (Quadriceps)?

A

Ventral border of ilium

179
Q

Origin of Vastus Lateralis, Intermedialis & Medialis (Quadriceps)?

A

Proximal femur according to their position

180
Q

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

A

Via patella tendons to tibial tuberosity

181
Q

Nerve supply to Rectus Femoris, Vastus Lateralis, Vastus Intermedialis & Vasus Medialis (Quadriceps)?

A

Femoral nerve

182
Q

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

A

Stifle extensor

183
Q

2 heads of Biceps Femoris?

A

Long (vertebral) head

Short (ischiatic) head

184
Q

Origins of the Long Head of Biceps Femoris (3)?

A

Spinous & transverse process S2-5

Sacrosciatic ligament

Tuber Ischii

185
Q

Origins of Short Head of Biceps Femoris (2)?

A

Ventral spine if Tuber Ischii & Semitendinosus

186
Q

Insertions of the Long and Short heads of Biceps Femoris (4)?

A

Caudal femur near third trochanter

Lateral patella

Cranial border of tibia

Blends with crural fascia

187
Q

Nerve supplies of long and short heads of Biceps Femoris (3)?

A

Caudal gluteal nerve

Tibial nerve

Fibulae nerve

188
Q

Action of long and short heads of Biceps Femoris?

A

Hip extensor

189
Q

2 heads of Semitendinosus?

A

Long (vertebral) head

Short (ischiatic) head

190
Q

Origins of Long Head of Semitendinosus (3)?

A

S5

Co1-2

Sacrosciatic ligament

191
Q

Origin of Short Head of Semitendinosus?

A

Ventral border of tuber ischii

192
Q

Insertion of Long Head of Semitendinosus?

A

Cranial border of tibia

193
Q

Insertion of Short Head of Semitendinosus?

A

Crural fascia to tarsal tendon onto calcaneus

194
Q

Nerve supply of both Long and Short heads of Semitendinosus (3)?

A

Caudal gluteal nerve

Tibial nerve

Fibulae nerve

195
Q

Action of Long and Short heads of Semitendinosus?

A

Hip extensor

196
Q

Origins of Semimembranosus (2)?

A

Caudal border of sacrotuberal ligament

Ventral border of tuber Ischii

197
Q

Insertion of semimembranosus?

A

Medial femoral epicondyle caudal to medial collateral ligament

198
Q

Nerve supply of semimembranosus (2)?

A

Tibial and Fibular nerves

199
Q

Action of Semimembranosus?

A

Hip extensor

200
Q

Origins of Gracilis (2)?

A

Pubic symphysis & pubis

201
Q

Insertions of Gracilis (3)?

A

Medial patellar tendon

Proximal tibia

Crural fascia

202
Q

Nerve supply of Gracilis?

A

Obturator nerve

203
Q

Action of Gracilis?

A

Hip extensor

204
Q

Origins of Addutor (2)?

A

Ventral Pubis & Ischium

Gracilis

205
Q

Insertion of Adductor?

A

Caudal mid femur

206
Q

Nerve supply of Adductor?

A

Obturator nerve

207
Q

Action of Adductor?

A

Hip extensor

208
Q

Origins of Pectineus (2)?

A

Prepubic tendon

Accessory ligament of femoral head

209
Q

Insertion of Pectineus?

A

Middle of medial border of femur

210
Q

Nerve supply of Pectineus?

A

Obturator nerve

211
Q

Action of Pectineus?

A

Hip flexor

212
Q

2 heads of Gastrocnemius?

A

Lateral head

Medial head

213
Q

Origins of Gastrocnemius (2)?

A

Lateral and medial supracondylar tuberosities of femur

214
Q

Insertion of Gastrocnemius?

A

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

215
Q

Nerve supply of Gastrocnemius?

A

Tibial nerve

216
Q

Action of gastrocnemius?

A

Hock extensor

217
Q

Origin of Flexor Digitorum Superficialis?

A

Supracondylar fossa of femur

218
Q

Insertions of Flexor Digitorum Superficialis (2)?

A

Proximal and middle phalanx (P1 and P2) plantar surface

219
Q

Nerve supply of Flexor Digitorum Superficialis?

A

Tibial nerve

220
Q

Action of Flexor Digitorum Superficialis?

A

Part of reciprocal apparatus

221
Q

How many heads of Flexor Digitorum Profundus?

A

3

222
Q

Origins of Flexor Digitorum Profundus (2)?

A

Caudal surface of tibia

Lateral tibial condyle

223
Q

Insertion of Flexor Digitorum Profundus?

A

Distal phalanx (P3) plantar surface, contains distal sesamoid bone

224
Q

Nerve supply of Flexor Digitorum Profundus?

A

Tibial nerve

225
Q

Origins of Extensor Digitorum Lateralis (3)?

A

Lateral collateral ligament

Tibia

Fibula

226
Q

Insertion of Extensor Digitorum Lateralis?

A

Joins with Extensor Digitorum Longus to insert onto distal phalanx (P3)

227
Q

Nerve supply of Extensor Digitorum Lateralis?

A

Fibular nerve

228
Q

Origin of Extensor Digitorum Longus?

A

Lateral condyle of femur

229
Q

Insertions of Extensor Digitorum Longus (3)?

A

P3, P1, P2

230
Q

Nerve supply of Extensor Digitorum Longus?

A

Fibular nerve

231
Q

Origin of Peroneus (Fibularis) Tertius?

A

Lateral condyle of femur

232
Q

Insertions of Peroneus (Fibularis) Tertius?

A

Proximal end MT III & T3

T4 and Fibular tarsal

233
Q

Action of Peroneus (Fibularis) Tertius?

A

Part of reciprocal apparatus

234
Q

Origin of Tibialis Cranialis?

A

Proximo-lateral tibial crest

235
Q

Insertion of Tibialis Cranialis?

A

Proximal end MT III

T1

236
Q

Nerve supply of Tibialis Cranialis?

A

Fibular nerve

237
Q

Origin of Common Calcanean Tendon?

A

Many muscles

238
Q

Insertion of Common Calcanean Tendon?

A

Calcanean tuber (Fibular tarsal)

239
Q

Origin of Soleus?

A

Proximal end of fibula

240
Q

Insertion of Soleus?

A

Gastrocnemius tendon

241
Q

Nerve supply of Soleus?

A

Tibial nerve

242
Q

Origin of Extensor Digitorum Brevis?

A

Distal part of Peroneus Tertius and lateral collateral ligament of tarsus

243
Q

Insertion of Extensor Digitorum Brevis?

A

Tendons of extensor Digitorum Longus and Lateralis

244
Q

Origin of Interosseus (suspensory ligament)

A

Palmaro-proximal third of MT III

245
Q

Insertion of Interosseus (suspensory ligament)?

A

Via proximal sesamoid bones: cruciate, oblique, and straight distal sesamoidean ligaments

Equine Anatomy (6 decks)

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