1.5Vm - Anatomy Ii - Horse - Muscles

Front 1

Origin of Sternocephalicus m.

Back 1

Manubrium

Front 2

Insertion of Sternocephalicus m. (2)

Back 2

Mandibular: Ramus of mandible

Mastoid: Mastoid process of temporal bone

Front 3

Action of Sternocephalicus m.

Back 3

Draws head and neck laterally and ventrally

Front 4

Origin of Sternohyoideus m.

Back 4

Manubrium

Front 5

Insertion of Sternohyoideus m

Back 5

Basihyoid bone

Front 6

Action of Sternohyoideus m

Back 6

Pull tongue and larynx caudally

Front 7

Origin of Sternothyroideus m.

Back 7

1st costal cartilage

Front 8

Insertion of Sternothyroideus m.

Back 8

Thyroid cartilage

Front 9

Action of Sternothyroideus m.

Back 9

Pull tongue and larynx caudally

Front 10

Origin of Omohyoideus m.

Back 10

Fascia cranial to shoulder

Front 11

Insertion of Omohyoideus m.

Back 11

Basihyoid bone

Front 12

Action of Omohyoideus m.

Back 12

Pulls tongue and larynx caudally

Front 13

Origin of Longus capitis m.

Back 13

Transverse processes of cervical vertebrae 3-5

Front 14

Insertion of Longus capitis m.

Back 14

Basiooccipital bone

Front 15

Action of Longus capitis m.

Back 15

Lateral (one) and ventral (both) flexion of head and neck

Front 16

Origin of Longus colli m.

Back 16

Vertebral bodies T6

Front 17

Insertion of Longus colli m.

Back 17

Vertebral bodies T6 - C1 (ventral cervical processes)

Front 18

Action of Longus colli m.

Back 18

Ventral flexion of neck

Front 19

Caudal extent of iliocostalis system

Back 19

Wing of ilium

Front 20

Cranial extent of iliocostalis system

Back 20

1st rib

Front 21

Action of iliocostalis system

Back 21

Extend thoracic-lumbar vertebral column

Front 22

Cranial extent of Longissimus system (2)

Back 22

Transverse process of vertebrae (C, T, L)

Mastoid process of temporal bone

Front 23

Caudal extent of Longissimus system (2)

Back 23

Wing of Ilium

Sacrum

Front 24

Action of Longissimus system

Back 24

Extend C, T, & L vertebral column

Front 25

Cranial extent of transversospinalis system

Back 25

Head

Front 26

Caudal extent of transversospinalis system

Back 26

Sacrum

Front 27

Action of transversospinalis system (2)

Back 27

Extend C, T, L vertebral column

Support and lift head

Front 28

Origin of Splenius m.

Back 28

Spines of thoracic vertebrae 3 - 5

Median raphe of neck

Front 29

Insertion of Splenius m.

Back 29

Nuchal crest

Mastoid process' temporal bone

Front 30

Action of Splenius m.

Back 30

Elevate head (both sides)

Pull head to side (one side)

Front 31

Innervation of the hypaxial muscles of the neck (2)

Back 31

Ventral branches of cervical spinal nn.

Accessory n.

Front 32

Innervation of the epaxial muscles

Back 32

Dorsal branches of cervical, thoracic, and lumbar spinal nn.

Front 33

Origin of descending Superficial Pectoral m.

Back 33

First two sternebrae

Front 34

Insertion of descending Superficial Pectoral m. (2)

Back 34

Crest of greater tubercle

Deltoid tuberosity

Front 35

Action of descending Superficial Pectoral m. (2)

Back 35

Adduct thoracic limb

Prevent abduction of thoracic limb

Front 36

Origin of Transverse Superficial Pectoral m.

Back 36

First two sternebrae

Front 37

Insertion of Transverse Superficial Pectoral m.

Back 37

Deep antebrachial fascia

Front 38

Action of Transverse Superficial Pectoral m. (2)

Back 38

Adduct thoracic limb

Prevent abduction of thoracic limb

Front 39

Origin of Deep pectoral m.

Back 39

Sternum

Front 40

Insertion of Deep pectoral m.

Back 40

Greater and lesser tubercles of humerus

Front 41

Action of Deep pectoral m. (3)

Back 41

- Pulls trunk cranial or forelimb caudally
- Extend shoulder jt.
- Flex shoulder jt.

Front 42

Origin of subclavius m.

Back 42

Cranial sternum

Front 43

Insertion of subclavius m.

Back 43

Cranial angle of scapula

Front 44

Action of subclavius m. (2)

Back 44

Adducts thoracic limb

Retracts limb or pulls trunk cranially

Front 45

Origin of brachiocephalicus m.

Back 45

Clavicular intersection

Front 46

Insertion of brachiocephalicus m.

Back 46

Brachial pt: Distal, cranial humerus

Mastoid pt: mastoid process of temporal bone

Front 47

Action of brachiocephalicus m. (4)

Back 47

- Advance thoracic limb
- Extend shoulder jt.
- Draw head and neck laterally (one)
- Draw head and neck ventrally (two)

Front 48

Origin of omotransversarius m.

Back 48

Clavicular intersection

Front 49

Insertion of omotransversarius m.

Back 49

Wing of atlas

Front 50

Action of omotransversarius m. (2)

Back 50

- Advance thoracic limb
- Lateral flexion of neck

Front 51

Origin of Trapezius m. (2)

Back 51

Cervical: Median raphe of neck
Thoracic: supraspinous ligament of C3 - T9

Front 52

Insertion of Trapezius m.

Back 52

Spine of scapula

Front 53

Action of Trapezius m. (2)

Back 53

- Elevate thoracic limb
- Abduct thoracic limb

Front 54

Origin of Rhomboideus m. (3)

Back 54

Capital pt: Nuchal crest of occipital bone
Cervicalpt: Median raphe of neck
Thoracic pt: spines of T1 - T7

Front 55

Insertion of Rhomboideus m.

Back 55

Dorsal border of scapula

Front 56

Action of Rhomboideus m. (2)

Back 56

- Elevate thoracic limb
- Pull scapula to trunk

Front 57

Origin of Latissimus dorsi m.

Back 57

Thoracolumbar fascia

Front 58

Insertion of Latissimus dorsi m.

Back 58

Teres major tuberosity

Front 59

Action of Latissimus dorsi m.(2)

Back 59

- Draws limb caudally or trunk cranially
- Flex or extend shoulder jt.

Front 60

Innervation of Latissimus dorsi m.

Back 60

Thoracodorsal n.

Front 61

Origin of serratus ventralis m. (2)

Back 61

Cervical: Transverse part of C2 - C7
Thoracic: lateral ribs 1 - 8

Front 62

Insertion of serratus ventralis m.

Back 62

Serrated face of scapula

Front 63

Action of serratus ventralis m. (2)

Back 63

- Support trunk
- Depress scapula

Front 64

Innervation of extrinsic muscles of thoracic limb (2)

Back 64

- C & T spinal nn.
- Accessory n.

Front 65

Origin of deltoideus m.

Back 65

Spine of scapula

Front 66

Insertion of deltoideus m.

Back 66

Deltoid tuberosity

Front 67

Action of deltoideus m.

Back 67

Flex shoulder jt.

Front 68

Innervation of deltoideus m.

Back 68

Axillary n.

Front 69

Innervation of infraspinatus m.

Back 69

Suprascapular n.

Front 70

Innervation of teres minor m.

Back 70

Axillary n.

Front 71

Origin of Infraspinatus m.

Back 71

Infraspinous fossa

Front 72

Insertion of Infraspinatus m.

Back 72

Lateral greater tubercle of humerus

Front 73

Action of Infraspinatus m. (5)

Back 73

- Lateral stability of shoulder jt.
- Flex or extend shoulder jt.
- Lateral rotation of shoulder jt.
- Prevents medial rotation of shoulder jt.
- Abduction at shoulder

Front 74

Origin of teres minor m.

Back 74

- Distal caudal border of scapula

Front 75

Insertion of teres minor m.

Back 75

Teres minor tuberosity

Front 76

Action of teres minor m. (4)

Back 76

- Stabilize shoulder jt.
- Flex shoulder jt.
- Lateral rotation of shoulder jt.
- Prevents medial rotation of shoulder jt.

Front 77

Origin of supraspinatus m.

Back 77

Supraspinous fossa

Front 78

Insertion of supraspinatus m.

Back 78

Greater and lesser tubercles of humerus

Front 79

Action of supraspinatus m. (2)

Back 79

- Lateral stability of shoulder jt.
- Extension of shoulder jt.

Front 80

Innervation of supraspinatus m.

Back 80

Suprascapular n.

Front 81

Origin of subscapularis m.

Back 81

Subscapular fossa

Front 82

Insertion of subscapularis m.

Back 82

Lesser tubercle

Front 83

Action of subscapularis m. (5)

Back 83

- Extension of shoulder jt.
- Adducts at shoulder jt.
- Medially stabilizes shoulder jt
- Medial rotation of shoulder
- Prevent lateral rotation of shoulder

Front 84

Origin of Teres major m.

Back 84

Caudal angle and border of scapula

Front 85

Insertion of Teres major m.

Back 85

Teres major tuberosity

Front 86

Action of Teres major m. (3)

Back 86

- Flex shoulder jt.
- Rotate shoulder medially
- Prevent lateral rotation of shoulder

Front 87

Origin of Coracobrachialis m.

Back 87

Coracoid process of scapula

Front 88

Insertion of Coracobrachialis m. (2)

Back 88

- Crest of lesser tubercle
- Cranial humerus

Front 89

Action of Coracobrachialis m. (3)

Back 89

- Extend shoulder jt.
- Adducts arm
- Stabilizes shoulder jt.

Front 90

Innervation of subscapularis m.

Back 90

Subscapular n.

Front 91

Innervation of teres major m.

Back 91

Axillary n.

Front 92

Innervation of coracobrachialis m.

Back 92

Musculocutaneous n.

Front 93

Origin of Biceps brachii m.

Back 93

Supraglenoid tubercle

Front 94

Insertion of Biceps brachii m. (2)

Back 94

- Radial tuberosity
- Medial colateral ligament

Front 95

Action of Biceps brachii m. (2)

Back 95

- Flex elbow jt.
- Extend shoulder jt.

Front 96

Origin of brachialis m.

Back 96

Proximal, caudal humerus

Front 97

Insertion of brachialis m. (2)

Back 97

- Medial radius
- Medial collateral ligament

Front 98

Action of brachialis m.

Back 98

Flex elbow jt.

Front 99

Innervation of Biceps brachii m.

Back 99

Musculocutaneous n.

Front 100

Innervation of brachialis m.

Back 100

Musculocutaneous n.

Front 101

Innervation of Tensor fascia antebrachii m.

Back 101

Radial n.

Front 102

Origin of Tensor fascia antebrachii m.

Back 102

Latissimus dorsi m.

Front 103

Insertion of Tensor fascia antebrachii m.

Back 103

Tuber olecrani

Front 104

Action of Tensor fascia antebrachii m.

Back 104

Extend elbow joint

Front 105

Innervation of triceps brachii m

Back 105

Radial n.

Front 106

Origin of triceps brachii m.

Back 106

Long head: caudal border of scapula
Lateral: tricipital line and deltoid tuberosity
Medial: body of humerus

Front 107

Insertion of triceps brachii m.

Back 107

Tuber olecrani

Front 108

Action of triceps brachii m. (2)

Back 108

Extend elbow joint

Long: flex shoulder joint.

Front 109

Innervation of anconeus m.

Back 109

Radial n.

Front 110

Origin of anconeus m.

Back 110

Distal, caudal humerus

Front 111

Insertion of anconeus m.

Back 111

Tuber olecrani

Front 112

Action of anconeus m.

Back 112

Extend elbow jt.

Front 113

Origin of extensor carpi radialis m.

Back 113

Lateral epicondyles of the humerus

Front 114

Insertion of extensor carpi radialis m.

Back 114

Metacarpal tuberosity

Front 115

Action of extensor carpi radialis m.

Back 115

Extend carpal jt.

Front 116

Origin of common digital extensor m.

Back 116

Lateral epicondyles of the humerus

Front 117

Insertion of common digital extensor m.

Back 117

Extensor process distal phalanx

Front 118

Action of common digital extensor m.

Back 118

- Extend carpal jts.
- Extend digital jts.

Front 119

Origin of lateral digital extensor m.

Back 119

Lateral epicondyles of the humerus

Front 120

Insertion of lateral digital extensor m.

Back 120

Dorsal proximal aspect of Proximal phalanx

Front 121

Action of lateral digital extensor m.

Back 121

- Extend carpal jt.
- Extend metacarpophalangeal jt.

Front 122

Origin of ulnaris lateralis m.

Back 122

Lateral epicondyles of humerus

Front 123

Insertion of ulnaris lateralis m. (2)

Back 123

- Metacarpal 4
- Accessory carpal bone

Front 124

Action of ulnaris lateralis m.

Back 124

Flex carpal jts.

Front 125

Origin of extensor carpi obliquus m.

Back 125

Lateral, cranial radius

Front 126

Insertion of extensor carpi obliquus m.

Back 126

Head of metacarpal 2

Front 127

Action of extensor carpi obliquus m.

Back 127

Extend carpal joints

Front 128

Origin of flexor carpi radialis m.

Back 128

Medial epicondyle of the humerus

Front 129

Insertion of flexor carpi radialis m.

Back 129

Proximal metacarpal 2

Front 130

Action of flexor carpi radialis m.

Back 130

Flex carpal joints

Front 131

Origin of superficial digital flexor m.

Back 131

Medial epicondyle of humerus

Front 132

Insertion of superficial digital flexor m.

Back 132

Palmar middle phalanx

Front 133

Action of superficial digital flexor m. (3)

Back 133

- Flex carpal joints
- Flex metacarpophalangeal jt.
- Flex proximal interphalangeal jt.

Front 134

Origin of Flexor carpi ulnaris m.

Back 134

Humeral head: Medial epicondyle of humerus
Ulnar head: caudomedial olecranon

Front 135

Insertion of Flexor carpi ulnaris m.

Back 135

Accessory carpal bone

Front 136

Action of Flexor carpi ulnaris m.

Back 136

Flex carpal joints

Front 137

Origin of Deep digital flexor m.

Back 137

Humeral: Medial epicondyle of humerus
Radial: Caudal radius (might be absent)
Ulnar: Medial olecranon

Front 138

Insertion of Deep digital flexor m.

Back 138

Semilunar line of distal phalanx

Front 139

Action of Deep digital flexor m.

Back 139

Flex carpal and digital joints

Front 140

Innervation of caudomedial muscle group in horse

Back 140

Median and ulnar n.

Front 141

Origin of interosseus m. on the palmar manus

Back 141

- Metacarpal 3
- Carpal bones 2, 3, 4

Front 142

Insertion of interosseus m. on the palmar manus

Back 142

Base of proximal phalanx

Front 143

Action of interosseus m. on the palmar manus

Back 143

Flex and support metacarpophalangeal jt

Front 144

Innervation of interosseus m. on the palmar manus

Back 144

Deep branch of the lateral palmar n.
- Derived from the median and ulnar nn.

Front 145

Origin of external abdominal oblique m.

Back 145

Lateral surface of rib

Front 146

Insertion of external abdominal oblique m. (2)

Back 146

- Linea alba
- Prepubic tendon

Front 147

Origin of internal abdominal oblique m.

Back 147

Transverse processes of lumbar vertebrae

Front 148

Insertion of internal abdominal oblique m.

Back 148

Linea alba

Front 149

Origin of rectus abdominis m. (2)

Back 149

- Ventral surface of rib cartilages
- Sternum

Front 150

Insertion of rectus abdominis m.

Back 150

Pubis via prepubic tendon