Thoracic Limb Flashcards
1
Q
Origin of Descending pectoral
A
1st Sternebrae
2
Q
Insertion of Descending pectoral
A
greater tubercle humerus
3
Q
Action of Descending pectoral
A
adduct limb when non- weight bearing
prevent abduction when weight bearing
4
Q
Innervation of Descending pectoral
A
Cranial Pectoral Nn
5
Q
Origin of the Transverse pectoral
A
1,2,3 sternebrea
6
Q
Insertion of the Transverse pectoral
A
Greater tubercle humerus
7
Q
Action of the Transverse pectoral
A
adduct limb when non- weight bearing
prevent abduction when weight bearing
8
Q
Innervation of the Transverse pectoral
A
Cranial Pectoral Nn
9
Q
Origin of Deep Pectoral
A
Ventral sternum & fibrous raphe
10
Q
Insertion of Deep Pectoral
A
lesser tubercle humerus
11
Q
Action of Deep Pectoral
A
pull limb cranial
extend shoulder
draw limb caudally
adduct limb
12
Q
Innervation of Deep Pectoral
A
Caudal Pectoral Nn
13
Q
Origin of Brachiocephalicus
A
Clavicle
14
Q
Action of Brachiocephalicus
A
advance limb
extend shoulder
draw head to side
15
Q
Innervation of Brachiocephalicus
A
Accessory N
Ventral branches of cervical spinal nerves
16
Q
Insertion of Cleidobrachialis
A
Distal Humerus
17
Q
Insertion of Cleidocephalicus pars cervicalis
A
Dorsal Midline on neck
18
Q
Insertion of the Cleidocephalicus pars mastoidea
A
Mastoid process of the temporal bone
19
Q
Origin of the Sternocephalicus
A
1st sternebrae
20
Q
Inscertion of the Sternocephalicus
A
mastoid part of temporal bone & Nuchal crest
21
Q
Action of the Sternocephalicus
A
Draw Head & Neck to side
22
Q
Innervation of the Sternocephalicus
A
Accessory
Ventral branches of cervical spinal
23
Q
Origin of the sternohyoideus
A
1st sternebra & 1st costal cartilage
24
Q
Insertion of the sternohyoideus
A
Basihyoid bone
25
Action of the sternohyoideus
pull tounge and larynx caudally
26
Innervationof the sternohyoideus
ventral branches of cervical spinal
27
Origin of sternothyroideus
1st costal cartilage
28
Insertion of sternothyroideus
Caudolateral surface of the thyroid cartilage
29
Action of sternothyroideus
pull tounge and larynx caudally
30
Innervation of sternothyroideus
ventral branches of cervical spinal
31
Origin of the omotransversarius
distal scapular spine
32
Insertion of omotransversarius
transverse wing of atlas
33
Action of omotransversarius
advance limb or flex neck laterally
34
Innervation of omotransversarius
Accessory
35
Origin of Trapezius (Cervical & Thoracic)
median raphe of neck
| supraspinous ligament
36
Insertion of Trapezius (Cervical & Thoracic)
scapular spine
37
Action of Trapezius (Cervical & Thoracic)
elevate and abduct limb
38
Innervation of Trapezius (Cervical & Thoracic)
Accessory
39
Origin of Rhomboideus (Capitis,cervivis,thoracis)
nuchal crest
median raphe neck
spinous process T1-7
40
Insertion of Rhomboideus (Capitis,cervivis,thoracis)
dorsal border & adjacent surfaces of scapula
41
Action of Rhomboideus (Capitis,cervivis,thoracis)
elevate limb
| draw scapula against body
42
Innervation of Rhomboideus (Capitis,cervivis,thoracis)
Ventral branches of cervical & thoracic spinal nerves
43
Origin of Latissimus Dorsi
Thoracolumbar fascia
| last 7-8 thoracic vertebrae
44
Insertion of Latissimus Dorsi
Trese major tuberosity
45
Action of Latissimus Dorsi
Draw Limb Caudally
| flex Shoulder
46
Innervation of Latissimus Dorsi
Thoracodorsal N
47
Origin of Serratus ventralis cervicis & thoracis
Transverse processes of C3-C7; 1st 7-8 ribs
48
Insertion of Serratus ventralis cervicis & thoracis
Serrated face of scapula
49
Action of Serratus ventralis cervicis & thoracis
Support trunk
| depress scapula
50
Innervation of Serratus ventralis cervicis & thoracis
Ventral Branches of cervical spinal nerves
| long thoracic N
51
Origin of Deltoideus
Acrominal Process, Spine
52
Insertion of Deltoideus
Deltoid toberosity
53
Action of Deltoideus
flex and abduct shoulder
54
Innervation of Deltoideus
Axillary N
55
Origin of Infraspinatus
Infraspinous fossa
56
Insertion of Infraspinatus
Greater tubercle humerus
57
Action of Infraspinatus
Extend
Flex Shoulder
abduct & rotate shoulder laterally
stabilize joint
58
Innervation of Infraspinatus
Suprascapular
59
Origin of Teres Minor
Infraglenoid tubercle
| distal caudal border scapula
60
Insertion of Teres Minor
Teres minor tuberosity humerus
61
Action of Teres Minor
flex shoulder
| rotate shoulder lateral
62
Innervation of Teres Minor
Axillary N
63
Origin of Supraspinatus
Supraspinous process
64
Insertion of Supraspinatus
Greater tubercle humerus
65
Action of Supraspinatus
Extend, stabilize shoulder
66
Innervation of Supraspinatus
Suprascapular N
67
Origin of Subscapularis
Subscapular fossa
68
Insertion of Subscapularis
Lesser Tubercle humerus
69
Action of Subscapularis
adduct extend medially stablize shoulder
70
Innervation of Subscapularis
Subscapular N
71
Origin of Teres Major
Scapula cadual angle,
| Caudal surface of subscapularis
72
Insertion of Teres Major
Teres major tuberosity humerus
73
Action of Teres Major
Flex, rotate medially shoulder
74
Innervation of Teres Major
Axillary N
75
Origin of Coracobrachilais
Coracoid process - scapula
76
Insertion of Coracobrachilais
crest of lesser tubercle - humerus
77
Action of Coracobrachilais
Adduct, stablize shoulder
78
Innervation of Coracobrachilais
Musculocutaneous N
79
Origin of Tensor fasciae antebrachii
Fascia covering lateral side of latissimus dorsi M
80
Insertion of Tensor fasciae antebrachii
Olecranon
81
Action of Tensor fasciae antebrachii
Extend elbow
82
Innervation of Tensor fasciae antebrachii
Radial N
83
Origin of Triceps brachii
Long Head: caudal border scapula
Lateral Head: tricipital line
Accessory Head: medial humerus
Medial Head: crest of lesser tubercle
84
Insertion of Triceps brachii
Long Head: lateral head
Medial Head: Olecranon tuber
Accessory Head: Olecranon
85
Action of Triceps brachii
Extend shoulder
86
Innervation of Triceps brachii
Radial N
87
Origin of Anconeus
Lateral Supracondylar crest
| lateral and medial epicondyles humerus
88
Insertion of Anconeus
Lateral surfaces of olecranon
89
Action of Anconeus
Extend elbow
90
Innervation of Anconeus
Radial N
91
Origin of Biceps brachii
Supraglenoid tubercle
92
Insertion of Biceps brachii
Ulnar & Radial tuberosities
93
Action of Biceps brachii
Flex elbow
| Extend shoulder
94
Innervation of Biceps brachii
Muscultocutaneous N
95
Origin of Brachialis
Proximal 1/3 of lateral humerus
96
Insertion of Brachialis
Ulnar & Radial tuberosities
97
Action of Brachialis
Flex Elbow
98
Innervation of Brachialis
Musulocutaneous N
99
Origin of Extensor carpi radialis (Cranial)
Lateral supracondylar crest humerus
100
Insertion of Extensor carpi radialis (Cranial)
Tuberosities on dorsal surfaces of base of MC 2&3
101
Action of Extensor carpi radialis (Cranial)
Extend Carpus
102
Innervation of Extensor carpi radialis (Cranial)
Radial N
103
Origin of Common Digital Extensor (Cranial)
Lateral epicondyle humerus
104
Insertion of Common Digital Extensor (Cranial)
Extensor process of P3 - digits 2-5
105
Action of Common Digital Extensor (Cranial)
Extend Joints of digits 2-5
106
Innervation of Common Digital Extensor (Cranial)
Radial N
107
Origin of Lateral digital extensor (Cranial)
Lateral epicondyle humerus
108
Insertion of Lateral digital extensor (Cranial)
Proximal ends of all phalanges digits 3-5
109
Action of Lateral digital extensor (Cranial)
Extend joints of digits 3-5
110
Innervation of Lateral digital extensor (Cranial)
Radial N
111
Origin of Extensor carpi ulnaris (Cranial)
Lateral epicondyle humerus
112
Insertion of Extensor carpi ulnaris (Cranial)
Lateral aspect of prox end of MC 5 & accessory carpal bone
113
Action of Extensor carpi ulnaris (Cranial)
Abduct carpal joints
| supports carpus when weight bearing
114
Innervation of Extensor carpi ulnaris (Cranial)
Radial N
115
Origin of Supinator
Lateral epicondyle humerus
116
Insertion of Supinator
Cranial surface of proximal 1/4 of radius
117
Action of Supinator
Supinate paw
| Flex elbow
118
Innervation of Supinator
Radial N
119
Origin of Abductor digit l longus
Lateral border & cranial surface of body of ulna
| interosseous membranne
120
Insertion of Abductor digit l longus
Proximal end of MC 1
121
Action of Abductor digit l longus
Abduct digit 1
| Extend carpal joints
122
Innervation of Abductor digit l longus
Radial N
123
Origin of Pronator Teres
Medial Epicondyle humerus
124
Insertion of Pronator Teres
Medical border of radius
125
Action of Pronator Teres
Pronation
| Flex elbow
126
Innervation of Pronator Teres
Median N
127
Origin of Flexor carpi radalis (Palmer)
Medical epicondyle humerus
| medical border radius
128
Insertion of Flexor carpi radalis (Palmer)
Palmar side of base of MC 2&3
129
Action of Flexor carpi radalis (Palmer)
Flex Carpus
130
Innervation of Flexor carpi radalis (Palmer)
Median N
131
Origin of Superfricial digital flexor (Palmer)
Medial epicondyle humerus
132
Insertion of Superfricial digital flexor (Palmer)
Palmar surfaces of base of p2 of digits 2-5
133
Action of Superfricial digital flexor (Palmer)
Flex Carpal, metacarpophalangeal & proximal interphalangeal joints
134
Innervation of Superfricial digital flexor (Palmer)
Median N
135
Origin of Flexor carpi ulnaris (Palmer)
Ulnar Head: olecranon
| Humeral Head: Medial Epicondyle
136
Insertion of Flexor carpi ulnaris (Palmer)
Accessory carpal bone
137
Action of Flexor carpi ulnaris (Palmer)
Flex Carpus
138
Innervation of Flexor carpi ulnaris (Palmer)
Ulnar N
139
Origin of Deep Digital flexor (Palmer)
Humeral Head: medical epicondyle
Radial Head: mid 1/3 of caudal border of humerus
Ulnar Head: proximal 3/4 of caudal border of ulna
140
Insertion of Deep Digital flexor (Palmer)
Flexor tubercle on palmar surface of P3 of the digits
141
Action of Deep Digital flexor (Palmer)
Flex carpal and metacarpophalangeal joints
142
Innervation of Deep Digital flexor (Palmer)
Median N,
| Ulnar N
143
Origin of Pronator Quadratus
Apposed surfaces of radius and ulna
144
Action of Pronator Quadratus
Pronate paw
145
Innervation of Pronator Quadratus
Median N
