Muscles of the thoracic limb

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Last updated 10:39 PM on 8/26/23
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218 Terms

1
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Identify the muscle outlined in red
Identify the muscle outlined in red
Flexor carpi radialis
2
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What is the origin of the flexor carpi radialis
Medial epicondyle
3
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Where is the insertion of the flexor carpi radialis
Palmaromedial base of metacarpus
4
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What is the action of the flexor carpi radialis
Flex the carpal joints
5
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Identify the muscle outlined in red
Identify the muscle outlined in red
Flexor carpi ulnaris
6
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How many heads does the flexor carpi ulnaris have
2
7
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What is the origin of the flexor carpi ulnaris
Medial epicondyle Olecranon of the ulnar
8
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Where is the insertion of the flexor carpi ulnaris
Accessory carpal bone
9
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What is the action of the flexor carpi ulnaris
Flex the carpal joints
10
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Identify the muscle outlined in red
Identify the muscle outlined in red
Superficial digital flexor
11
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What is the origin of the superficial digital flexor
Medial epicondyle
12
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What is the insertion of the superficial digital flexor
Palmar base of the middle phalanges
13
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What is the action of the superficial digital flexor
Flex carpal joints Flex metacarpophalangeal joints Flex the proximal interphalangeal joints
14
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Identify the muscle outlined in red
Identify the muscle outlined in red
Deep digital flexor
15
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How many heads does the deep digital flexor have

3

16
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Where is the insertion of the deep digital flexor
Flexor tubercles of the distal phanages
17
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What is the action of the deep digital flexor
Flex carpal and digital joints
18
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Identify the muscle outlined in red
Identify the muscle outlined in red
Pronator teres
19
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What is the origin of the Pronator teres
Medial epicondyle of humerus
20
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Where is the insertion of the Pronator teres
Body of radius
21
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What is the action of the Pronator teres
Pronation of the manus
22
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Identify the muscle outlined in red
Identify the muscle outlined in red
Pronator quadratus
23
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What are the attachments of the Pronator quadratus
Apposed surfaces of the radius and ulna
24
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What is the action of the Pronator quadratus
Pronation of the manus
25
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Identify the muscle outlined in red
Identify the muscle outlined in red
Interossei muscle
26
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Which muscles flex the carpal joints
Ulnaris lateralis Flexor carpi radialis Flexor carpi ulnaris Superficial digital flexor Deep digital flexor
27
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Which muscle(s) is (are) responsible for pronations of the manus
Pronator teres Pronator quadratus
28
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Which muscles are associated with sesamoid bones in the manus
Interossei
29
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Which muscle(s) flex the metacarpophalangeal joints
Superficial digital flexor
30
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Which muscle(s) flex the proximal interphalangeal joints
Superficial digital flexor
31
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Which muscle(s) flex the digital joints
Deep digital flexor
32
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Which muscles are agonists to the flexor carpi radialis
Flexor carpi ulnaris Superficial digital flexor Deep digital flexor
33
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Which muscle(s) originate(s) at the body of the radius
Deep digital flexor
34
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Where is the origin of the superficial pectoral m.
cranial part of sternum
35
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Where is the insertion of the superficial pectoral m.
Crest of greater tubercle
36
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What is the action of the superficial pectoral
Adduct thoracic limb
37
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What is the origin of the deep pectoral
Sternum
38
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What is the insertion of the deep pectoral
Greater and lesser tubercles of the humerus
39
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What is the action of the deep pectoral
Adduct thoracic limb, draw limb caudally
40
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How many heads does the Brachiocephalicus m have
3
41
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Where is the origin of the Brachiocephalicus m.
Clavicle
42
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What are the insertions of the Brachiocephalicus m.
Distal cranial humerus, dorsal midline of neck, mastoid process of temporal bone
43
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What is the action of the Brachiocephalicus m.
Pull limb cranially, depress or pull head/neck laterally
44
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What are the attachments of the omotransversarius m.
Wing of atlas, distal spine of scapula
45
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What is the action of the omotransversarius
Pull limb cranially, depress or pull head/neck laterally
46
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How many heads does the trapezius have
2
47
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What are the origins of the trapezius m.
Dorsal midline of thorax, dorsal midline of neck
48
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Where is the insertion of the trapezius
Spine of scapula
49
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How many heads does the Rhomboideus have
3
50
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What are the origins of the rhomboideus
Dorsal midline of thorax, dorsal midline of neck, nuchal crest of occipital bone
51
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What is the insertion of the rhomboidus
Dorsal border of scapula and/or scapular cartilage
52
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What is the action of the rhomboideus
Elevate limb laterally
53
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How many heads does the serratus ventralis have
2
54
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What are the origins of serratus ventralis
Last several cervical vertebrae, first several ribs
55
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What is the insertion of the serratus ventralis
Serrated face of scapula
56
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What is the action of the serratus ventralis
Support and elevate trunk
57
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What muscle(s) originate(s) at the sternum

Deep pectoral, superficial pectoral, sternocephalicus, sternothyroideus, sternohyoideus

58
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What muscle(s) insert(s) on or near the greater tubercle
Superficial pectoral, deep pectoral, supraspinatus, infraspinatus
59
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Which muscle(s) originate(s) at the clavicle
Brachiocephalicus
60
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Which muscle(s) has (have) three heads
Brachiocephalicus, Rhomboidus,
61
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Which muscle(s) have two heads
Sternocephalicus, Trapezius, serratus ventralis
62
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Which muscle(s) adduct the thoracic limb
Superficial pectoral, deep pectoral
63
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Which muscle(s) draw the limb caudally
Deep pectoral, Latissimus dorsi
64
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Which muscle(s) draw the limb cranially
Brachiocephalicus, omotransversarius
65
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Which muscle(s) is (are) located deep to Brachiocephalicus
Omotransversarius
66
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Which muscle(s) depress the head
Brachiocephalicus, omotransversarius, sternocephalicus
67
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Which muscle(s) pull the head and neck laterally
Brachiocephalicus, omotransversarius, sternocephalicus
68
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Which muscle(s) are agonists to the Latissimus dorsi
Deep pectoral
69
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Which muscle(s) is (are) aggonist(s) to superficial pectoral
Deep pectoral
70
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Which muscle(s) is (are) aggonist(s) to deep pectoral
Superficial pectoral, Latissimus dorsi
71
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Which muscle(s) is (are) aggonist(s) to Brachiocephalicus
Omotransversarius
72
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Which muscle(s) is (are) antagonists to deep pectoral
Brachiocephalicus, omotransversarius
73
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Which extrinsic muscle(s) is (are) responsible for breath motions
Serratus ventralis
74
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Which muscle(s) elevate the limb laterally
Trapezius, rhomboideus
75
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What muscle(s) originate(s) at the sternum and is responsible for adducting the thoracic limb and drawing it caudally
Deep pectoral
76
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Which muscle is outlined in red
Which muscle is outlined in red
Deep pectoral
77
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Which muscle is outlined in red
Which muscle is outlined in red
Omotransversarius
78
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Which muscle is this
Which muscle is this
Brachiocephalicus
79
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Which muscle is outlined in red
Which muscle is outlined in red
Superficial pectoral
80
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Which muscle is outlined in red
Which muscle is outlined in red
Trapezius
81
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<p>What muscle is this</p>

What muscle is this

Rhomboideus

82
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Which muscle is this
Which muscle is this
Serratus ventralis
83
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Which muscle is outlined in red
Which muscle is outlined in red
Lattisimus dorsi
84
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What is the origin of the Latissimus dorsi
Thorocolumbar fascia
85
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What is the insertion of Latissimus dorsi
Teres major tuberosity
86
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What is the action of the Latissimus dorsi
Pull thoracic limb caudally, flex or extend the humeral joint
87
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What muscle is this
What muscle is this
Sternocephalicus
88
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How would you differentiate the sternocephalicus from the Brachiocephalicus
Sternocephaliucs has two insertions, Brachiocephalicus has three
89
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What is the origin of sternocephalicus
Sternum (manubrium)
90
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How many insertions does sternocephalicus have
2
91
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What is (are) the insertion(s) of sternocephalicus
Mastoid process of temporal bone, nuchal crest of occipital bone
92
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What is the action of sternocephalicus
Depress and/or pull head and neck laterally
93
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What muscle is this
What muscle is this
Sternohyoideus
94
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What is the origin of sternhyoidus
Sternum (manubrium)
95
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What is the insertion of sternohyoideus
Basihyoid bone
96
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What is the action of sternohyoideus
Pull tongue and larynx caudally
97
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What is this this muscle
What is this this muscle
Sternothyroideus
98
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What is the origin of the sternthyroideus
Sternum (manubrium)
99
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Where is the insertion of sternothyroideus
Thyroid cartilage
100
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What is the action of sternothyroideus
Pull tongue and larynx caudally

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