Muscles and Movements
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Last updated 6:32 AM on 10/13/22
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230 Terms
1
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the cutaneous muscles do what to the skin?
twitch it
2
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what is the origin of the cutaneous trunci muscle
superficial fascia of the trunk
3
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what is the insertion of the cutaneous trunci muscle
pectoral muscles and brachium
4
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what is the innervation of the cutaneous trunci muscle
lateral thoracic nerve
5
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what is the origin of the platysma
dorsal neck
6
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what is the insertion of the platysma
cheek and neck
7
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what is the action of the platysma
draw lips caudally
8
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what is the innervation of the platysma
facial nerve
9
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what is the large muscle that forms the shape of the cheek
masseter muscle
10
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the masseter muscle is located ______ to the platysma muscle
deep
11
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what is the main muscle of chewing, closing the mouth
masseter
12
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what is the origin of the masseter muscle
zygomatic arch
13
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what is the action of the masseter muscle
raise the mandible
14
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what is the innervation of the masseter muscle
mandibular division of the trigeminal nerve
15
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what is the other muscle of mastication that is located in the temporal fossa
temporalis muscle
16
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what is the origin of the temporalis
temporal fossa
17
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what is the insertion of the temporalis muscle
coronoid process of the mandible
18
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what is the action of the temporalis muscle
raise the mandible
19
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what is the innervation of the temporalis muscle
mandibular division of the trigeminal nerve
20
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what is the antagonist muscle of masseter and temporalis
digastricus
21
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what muscle is responsible for OPENING the mouth
digastricus
22
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what is the origin of the digastricus
occipital bone
23
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what is the insertion of the digastricus
ventral mandible
24
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what is the action of the digastricus
lower the mandible
25
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what is the innervation of the digastricus
facial and trigeminal nerves
26
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what is the superficial muscle that surrounds the lips
orbicularis oris muscle
27
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what is the origin and insertion of the orbicularis oris muscle
lips
28
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what is the action of the orbicularis oris muscle
close the soft tissues around the mouth
29
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what is the innervation of the orbicularis oris
facial nerve
30
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what is deep to the orbicularis oris and "sucks in" the cheeks
buccinator muscle
31
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what is the origin and insertion of the buccinator
maxilla and mandible
32
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what is the action of the buccinator
tenses the cheek to compress the oral vestibule
33
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what is the innervation of the buccinator
facial nerve
34
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what is the muscle that surrounds the eyelids
orbicularis oculi
35
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what is the origin and insertion of the orbicularis oculi
upper and lower eyelids
36
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what is the action of the orbicularis oculi muscle
closes the eyelids
37
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what is the innervation of the orbicularis oculi
facial nerve
38
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what is the superficial muscle just caudal to the nasal planum
levitator nasolabialis
39
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what is the origin of the levitator nasolabialis
maxilla and frontal bones
40
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what is the muscle that connects to the head, arm, and neck
brachiocephalicus muscle
41
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what is the origin of the brachiocepalicus muscle
clavicular intersection
42
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what is the insertion of the brachiocephalicus muscle
skull and humerus
43
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what is the action of the brachiocephalicus muscle
pull limb forwards and flex neck laterally
44
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what is the innervation of the brachiocephalicus muscle
accessory and axillary nerves
45
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what is the muscle that pulls the ribs together and outward to expand the chest cavity during inspiration
external intercostal muscles
46
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what is the origin of the external intercostal muscles
caudal rib
47
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what is the insertion of the external intercostal muscles
cranial ribs
48
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what is the action of the external intercostal muscles
draw ribs closer together
49
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what is the innervation of the external intercostal muscles
intercostal nerves
50
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what is the antagonist to the external intercostal muscles
internal intercostal muscles
51
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what is the origin of the internal intercostal muscles
caudal ribs
52
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what muscle pulls the ribs apart and reduced the thoracic cavity during expiration
internal intercostal muscles
53
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what is the insertion of the internal intercostal muscles
cranial rib
54
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what is the action of the internal intercostal muscle
pull the ribs apart
55
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what is the innervation of the internal intercostal muscles
intercostal nerve
56
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origin of superficial pectoral muscle
sternum
57
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insertion of superficial pectoral muscle
humerus
58
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action of the superficial pectoral muscle
extend shoulder / advance the limb`
59
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innervation of the superficial pectoral muscle
pectoral nerve
60
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what kind of muscles are used to flex, extend, adduct, twist and abduct the spine
spinal muscles
61
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what are the muscles found dorsally to the transverse processes of the vertebrae
epaxial muscles
62
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epaxial muscles are good for _______ ________ of small animals
intramuscular injections
63
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the longissimus muscles are the (longest or shortest) muscles of the spine
longest
64
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what are the innervations of the spinal muscles
spinal nerves
65
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origin of longissimus capitis
t1-t3
66
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insertion of longissimus capitis
temporal bone
67
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action of longissimus capitis
extension or rotation of the atlantooccipital joint
68
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origin of longissimus cervicis
thoracic vertebrae
69
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insertion of longissimus cervicis
cervical vertebrae
70
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longissimus cervicis action
extend head and neck
71
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longissimus thoracis origin
ilium
72
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longissimus thoarcis insertion
thoracic vertebrae
73
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action of longissimus thoracis
extend head and neck
74
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longissimus lumborum origin
ilium
75
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longissimus lumborum insertion
lumbar vertebrae
76
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longissimus lumborum action
extend head and neck
77
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origin of the iliocostalalis thoracis
ribs 1-12
78
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what is the insertion of the iliocostalis thoracis
transverse process of C7
79
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what is the action of the iliocostalis thoracis
extend the vertebrae
80
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origin of the iliocostalis lumborum
ilium
81
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insertion of the iliocostalis lumborum
ribs 10-13
82
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action of the iliocostalis lumborum
extend the vertebral column
83
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what is the connective tissue structure in which abdominal
muscles from the left and right sides come together.
muscles from the left and right sides come together.
linea alba
84
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origin of the rectus abdominus
first rib
85
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insertion of the rectus abdominus
pelvis
86
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action of the rectum abdominus
flex the spine and compress the abdomen
87
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what is the innervation of the rectus abdominus
intercostal and spinal nerves
88
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external abdominal obliques origin
5th rib
89
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external abdominal oblique insertion
linea alba
90
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external abdominal oblique action
lateral flexion and ventroflexion of the spinal column
91
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internal abdominal obliques origin
pelvis
92
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insertion internal abdominal oblique
muscle
muscle
linea alba and caudal ribs
93
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internal abdominal oblique
muscle action
muscle action
move abdominal wall
94
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internal abdominal oblique
muscle innervation
muscle innervation
thoracic and lumbar spinal veins
95
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the internal abdominal oblique
muscle is _________ to the external abdominal obliques
muscle is _________ to the external abdominal obliques
deep
96
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what is the space between the muscle of the abdomen for structures on the inside of the abdomen to run to the exterior surface of the abdominal wall called
inguinal canal
97
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the superficial inguinal ring is a...
slit within the external abdominal oblique
98
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deep inguinal incluses the
internal adominal oblique, inguinal ligament, and rectus abdominus
99
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the extension of the internal abdominal oblique
that connects to the testicle through the inguinal canal is called the...
that connects to the testicle through the inguinal canal is called the...
cremaster muscle
100
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when the inguinal canal allows for large abdominal
structures from to exit to the external abdominal wall this is called an...
structures from to exit to the external abdominal wall this is called an...
inguinal hernia
Note 
Flashcards (21)