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Anatomy > Thoracic Limb > Flashcards

Thoracic Limb Flashcards

1
Q

Origin of Descending pectoral

A

1st Sternebrae

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2
Q

Insertion of Descending pectoral

A

greater tubercle humerus

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3
Q

Action of Descending pectoral

A

adduct limb when non- weight bearing

prevent abduction when weight bearing

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4
Q

Innervation of Descending pectoral

A

Cranial Pectoral Nn

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5
Q

Origin of the Transverse pectoral

A

1,2,3 sternebrea

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6
Q

Insertion of the Transverse pectoral

A

Greater tubercle humerus

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7
Q

Action of the Transverse pectoral

A

adduct limb when non- weight bearing

prevent abduction when weight bearing

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8
Q

Innervation of the Transverse pectoral

A

Cranial Pectoral Nn

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9
Q

Origin of Deep Pectoral

A

Ventral sternum & fibrous raphe

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10
Q

Insertion of Deep Pectoral

A

lesser tubercle humerus

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11
Q

Action of Deep Pectoral

A

pull limb cranial
extend shoulder
draw limb caudally
adduct limb

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12
Q

Innervation of Deep Pectoral

A

Caudal Pectoral Nn

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13
Q

Origin of Brachiocephalicus

A

Clavicle

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14
Q

Action of Brachiocephalicus

A

advance limb
extend shoulder
draw head to side

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15
Q

Innervation of Brachiocephalicus

A

Accessory N

Ventral branches of cervical spinal nerves

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16
Q

Insertion of Cleidobrachialis

A

Distal Humerus

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17
Q

Insertion of Cleidocephalicus pars cervicalis

A

Dorsal Midline on neck

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18
Q

Insertion of the Cleidocephalicus pars mastoidea

A

Mastoid process of the temporal bone

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19
Q

Origin of the Sternocephalicus

A

1st sternebrae

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20
Q

Inscertion of the Sternocephalicus

A

mastoid part of temporal bone & Nuchal crest

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21
Q

Action of the Sternocephalicus

A

Draw Head & Neck to side

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22
Q

Innervation of the Sternocephalicus

A

Accessory

Ventral branches of cervical spinal

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23
Q

Origin of the sternohyoideus

A

1st sternebra & 1st costal cartilage

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24
Q

Insertion of the sternohyoideus

A

Basihyoid bone

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25
Q

Action of the sternohyoideus

A

pull tounge and larynx caudally

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26
Q

Innervationof the sternohyoideus

A

ventral branches of cervical spinal

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27
Q

Origin of sternothyroideus

A

1st costal cartilage

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28
Q

Insertion of sternothyroideus

A

Caudolateral surface of the thyroid cartilage

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29
Q

Action of sternothyroideus

A

pull tounge and larynx caudally

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30
Q

Innervation of sternothyroideus

A

ventral branches of cervical spinal

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31
Q

Origin of the omotransversarius

A

distal scapular spine

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32
Q

Insertion of omotransversarius

A

transverse wing of atlas

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33
Q

Action of omotransversarius

A

advance limb or flex neck laterally

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34
Q

Innervation of omotransversarius

A

Accessory

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35
Q

Origin of Trapezius (Cervical & Thoracic)

A

median raphe of neck

supraspinous ligament

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36
Q

Insertion of Trapezius (Cervical & Thoracic)

A

scapular spine

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37
Q

Action of Trapezius (Cervical & Thoracic)

A

elevate and abduct limb

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38
Q

Innervation of Trapezius (Cervical & Thoracic)

A

Accessory

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39
Q

Origin of Rhomboideus (Capitis,cervivis,thoracis)

A

nuchal crest
median raphe neck
spinous process T1-7

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40
Q

Insertion of Rhomboideus (Capitis,cervivis,thoracis)

A

dorsal border & adjacent surfaces of scapula

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41
Q

Action of Rhomboideus (Capitis,cervivis,thoracis)

A

elevate limb

draw scapula against body

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42
Q

Innervation of Rhomboideus (Capitis,cervivis,thoracis)

A

Ventral branches of cervical & thoracic spinal nerves

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43
Q

Origin of Latissimus Dorsi

A

Thoracolumbar fascia

last 7-8 thoracic vertebrae

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44
Q

Insertion of Latissimus Dorsi

A

Trese major tuberosity

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45
Q

Action of Latissimus Dorsi

A

Draw Limb Caudally

flex Shoulder

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46
Q

Innervation of Latissimus Dorsi

A

Thoracodorsal N

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47
Q

Origin of Serratus ventralis cervicis & thoracis

A

Transverse processes of C3-C7; 1st 7-8 ribs

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48
Q

Insertion of Serratus ventralis cervicis & thoracis

A

Serrated face of scapula

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49
Q

Action of Serratus ventralis cervicis & thoracis

A

Support trunk

depress scapula

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50
Q

Innervation of Serratus ventralis cervicis & thoracis

A

Ventral Branches of cervical spinal nerves

long thoracic N

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51
Q

Origin of Deltoideus

A

Acrominal Process, Spine

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52
Q

Insertion of Deltoideus

A

Deltoid toberosity

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53
Q

Action of Deltoideus

A

flex and abduct shoulder

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54
Q

Innervation of Deltoideus

A

Axillary N

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55
Q

Origin of Infraspinatus

A

Infraspinous fossa

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56
Q

Insertion of Infraspinatus

A

Greater tubercle humerus

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57
Q

Action of Infraspinatus

A

Extend
Flex Shoulder
abduct & rotate shoulder laterally
stabilize joint

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58
Q

Innervation of Infraspinatus

A

Suprascapular

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59
Q

Origin of Teres Minor

A

Infraglenoid tubercle

distal caudal border scapula

60
Q

Insertion of Teres Minor

A

Teres minor tuberosity humerus

61
Q

Action of Teres Minor

A

flex shoulder

rotate shoulder lateral

62
Q

Innervation of Teres Minor

A

Axillary N

63
Q

Origin of Supraspinatus

A

Supraspinous process

64
Q

Insertion of Supraspinatus

A

Greater tubercle humerus

65
Q

Action of Supraspinatus

A

Extend, stabilize shoulder

66
Q

Innervation of Supraspinatus

A

Suprascapular N

67
Q

Origin of Subscapularis

A

Subscapular fossa

68
Q

Insertion of Subscapularis

A

Lesser Tubercle humerus

69
Q

Action of Subscapularis

A

adduct extend medially stablize shoulder

70
Q

Innervation of Subscapularis

A

Subscapular N

71
Q

Origin of Teres Major

A

Scapula cadual angle,

Caudal surface of subscapularis

72
Q

Insertion of Teres Major

A

Teres major tuberosity humerus

73
Q

Action of Teres Major

A

Flex, rotate medially shoulder

74
Q

Innervation of Teres Major

A

Axillary N

75
Q

Origin of Coracobrachilais

A

Coracoid process - scapula

76
Q

Insertion of Coracobrachilais

A

crest of lesser tubercle - humerus

77
Q

Action of Coracobrachilais

A

Adduct, stablize shoulder

78
Q

Innervation of Coracobrachilais

A

Musculocutaneous N

79
Q

Origin of Tensor fasciae antebrachii

A

Fascia covering lateral side of latissimus dorsi M

80
Q

Insertion of Tensor fasciae antebrachii

A

Olecranon

81
Q

Action of Tensor fasciae antebrachii

A

Extend elbow

82
Q

Innervation of Tensor fasciae antebrachii

A

Radial N

83
Q

Origin of Triceps brachii

A

Long Head: caudal border scapula
Lateral Head: tricipital line
Accessory Head: medial humerus
Medial Head: crest of lesser tubercle

84
Q

Insertion of Triceps brachii

A

Long Head: lateral head
Medial Head: Olecranon tuber
Accessory Head: Olecranon

85
Q

Action of Triceps brachii

A

Extend shoulder

86
Q

Innervation of Triceps brachii

A

Radial N

87
Q

Origin of Anconeus

A

Lateral Supracondylar crest

lateral and medial epicondyles humerus

88
Q

Insertion of Anconeus

A

Lateral surfaces of olecranon

89
Q

Action of Anconeus

A

Extend elbow

90
Q

Innervation of Anconeus

A

Radial N

91
Q

Origin of Biceps brachii

A

Supraglenoid tubercle

92
Q

Insertion of Biceps brachii

A

Ulnar & Radial tuberosities

93
Q

Action of Biceps brachii

A

Flex elbow

Extend shoulder

94
Q

Innervation of Biceps brachii

A

Muscultocutaneous N

95
Q

Origin of Brachialis

A

Proximal 1/3 of lateral humerus

96
Q

Insertion of Brachialis

A

Ulnar & Radial tuberosities

97
Q

Action of Brachialis

A

Flex Elbow

98
Q

Innervation of Brachialis

A

Musulocutaneous N

99
Q

Origin of Extensor carpi radialis (Cranial)

A

Lateral supracondylar crest humerus

100
Q

Insertion of Extensor carpi radialis (Cranial)

A

Tuberosities on dorsal surfaces of base of MC 2&3

101
Q

Action of Extensor carpi radialis (Cranial)

A

Extend Carpus

102
Q

Innervation of Extensor carpi radialis (Cranial)

A

Radial N

103
Q

Origin of Common Digital Extensor (Cranial)

A

Lateral epicondyle humerus

104
Q

Insertion of Common Digital Extensor (Cranial)

A

Extensor process of P3 - digits 2-5

105
Q

Action of Common Digital Extensor (Cranial)

A

Extend Joints of digits 2-5

106
Q

Innervation of Common Digital Extensor (Cranial)

A

Radial N

107
Q

Origin of Lateral digital extensor (Cranial)

A

Lateral epicondyle humerus

108
Q

Insertion of Lateral digital extensor (Cranial)

A

Proximal ends of all phalanges digits 3-5

109
Q

Action of Lateral digital extensor (Cranial)

A

Extend joints of digits 3-5

110
Q

Innervation of Lateral digital extensor (Cranial)

A

Radial N

111
Q

Origin of Extensor carpi ulnaris (Cranial)

A

Lateral epicondyle humerus

112
Q

Insertion of Extensor carpi ulnaris (Cranial)

A

Lateral aspect of prox end of MC 5 & accessory carpal bone

113
Q

Action of Extensor carpi ulnaris (Cranial)

A

Abduct carpal joints

supports carpus when weight bearing

114
Q

Innervation of Extensor carpi ulnaris (Cranial)

A

Radial N

115
Q

Origin of Supinator

A

Lateral epicondyle humerus

116
Q

Insertion of Supinator

A

Cranial surface of proximal 1/4 of radius

117
Q

Action of Supinator

A

Supinate paw

Flex elbow

118
Q

Innervation of Supinator

A

Radial N

119
Q

Origin of Abductor digit l longus

A

Lateral border & cranial surface of body of ulna

interosseous membranne

120
Q

Insertion of Abductor digit l longus

A

Proximal end of MC 1

121
Q

Action of Abductor digit l longus

A

Abduct digit 1

Extend carpal joints

122
Q

Innervation of Abductor digit l longus

A

Radial N

123
Q

Origin of Pronator Teres

A

Medial Epicondyle humerus

124
Q

Insertion of Pronator Teres

A

Medical border of radius

125
Q

Action of Pronator Teres

A

Pronation

Flex elbow

126
Q

Innervation of Pronator Teres

A

Median N

127
Q

Origin of Flexor carpi radalis (Palmer)

A

Medical epicondyle humerus

medical border radius

128
Q

Insertion of Flexor carpi radalis (Palmer)

A

Palmar side of base of MC 2&3

129
Q

Action of Flexor carpi radalis (Palmer)

A

Flex Carpus

130
Q

Innervation of Flexor carpi radalis (Palmer)

A

Median N

131
Q

Origin of Superfricial digital flexor (Palmer)

A

Medial epicondyle humerus

132
Q

Insertion of Superfricial digital flexor (Palmer)

A

Palmar surfaces of base of p2 of digits 2-5

133
Q

Action of Superfricial digital flexor (Palmer)

A

Flex Carpal, metacarpophalangeal & proximal interphalangeal joints

134
Q

Innervation of Superfricial digital flexor (Palmer)

A

Median N

135
Q

Origin of Flexor carpi ulnaris (Palmer)

A

Ulnar Head: olecranon

Humeral Head: Medial Epicondyle

136
Q

Insertion of Flexor carpi ulnaris (Palmer)

A

Accessory carpal bone

137
Q

Action of Flexor carpi ulnaris (Palmer)

A

Flex Carpus

138
Q

Innervation of Flexor carpi ulnaris (Palmer)

A

Ulnar N

139
Q

Origin of Deep Digital flexor (Palmer)

A

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
Q

Insertion of Deep Digital flexor (Palmer)

A

Flexor tubercle on palmar surface of P3 of the digits

141
Q

Action of Deep Digital flexor (Palmer)

A

Flex carpal and metacarpophalangeal joints

142
Q

Innervation of Deep Digital flexor (Palmer)

A

Median N,

Ulnar N

143
Q

Origin of Pronator Quadratus

A

Apposed surfaces of radius and ulna

144
Q

Action of Pronator Quadratus

A

Pronate paw

145
Q

Innervation of Pronator Quadratus

A

Median N

Anatomy (6 decks)

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