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Axial Myology > Axial Myology O,I,A > Flashcards

Axial Myology O,I,A Flashcards

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2
Q

What is the Origin of the Epicranius Muscle

A

Epicranial Aponeurosis

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3
Q

What are the 3 Insertions of the Epicranius Muscle

A

1) Occipital belly- Occipital bone2) Frontal Belly- Skin of eyebrow and nose;3) Lateral bellies- Muscles and cartilage of the auricle

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4
Q

What is the action of the Epicranius Muscle

A

Move the scalp (wrinkle brow, “wiggle” ears, etc.)

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5
Q

What is the Origin of the Orbicularis Oculi Muscle

A

NONE

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6
Q

What is the insertion of the Orpicularis oculi Muslce

A

None

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7
Q

What is the Action of the Orbicularis Oculi Muscle

A

Close eyelids

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8
Q

What are the 2 Origins of the Corrugator Supercilii Muscle

A

Orbicularis Oculi MuscleNasal prominence of frontal bone

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9
Q

What is the insertion of the Corrugator Supercilii Muscle

A

Skin of eyebrow

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10
Q

What is the Action of the Corrugator Supercilii Muscle

A

Draw eyebrow downward and medially; the “frown” muscle

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11
Q

What is the Origin of the Orbicularis Oris Muscle

A

NONE

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12
Q

What is the Insertion of the Orbicularis Oris Muscle

A

None

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13
Q

What is the action of the Orbicularis Oris Muscle?

A

Close and purse the lips

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14
Q

What are the 2 Origins to the Levator Labii Superioris Muscle

A

MaxillaZygomatic bone

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15
Q

What is the Insertion of the Levator Labii Superioris Muscle

A

Into the Orbicularis Oris Muscle of upper lip

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16
Q

What is the action of the Levator Labii Superioris Muscle

A

Elevate upper lip

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17
Q

What is the Origin of the Levator anguli Oris Muscle

A

Maxilla (canine fossa)

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18
Q

What are the 2 insertion of the Levator anguli oris Muscle

A

Orbicularis Oris MuscleSkin at corner of mouth

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19
Q

What is the Action of the Levator anguli Oris Muscle

A

Raises angle of mouth

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20
Q

What is the Origin of the Zygomaticus Major Muscle

A

Zygomatic bone (near temporal process)

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21
Q

What is the insertion of the Zygomaticus Major Muscle

A

Orbicularis oris muscle at angle (corner) of mouth

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22
Q

What is the Action to the Zygomaticus Major Muscle

A

Draw upper lip back and upward

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23
Q

What is the Origin of the Zygomaticus Minor Muscle

A

Zygomatic bone (near zygomaticomaxillary suture).

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24
Q

What is the Insertion of the Zygomaticus Minor Muscle

A

Orbicularis oris and Levator labii superioris muscles

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25
Q

What is the action of the Zygomaticus Minor Muscle

A

Draw upper lip up and laterally

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26
What is the Origin to the Depressor labii inferioris Muscle
Anterior aspect of mandible (between mandibular symphysis and mental foramen).;
27
What is the Insertion of the Depressor Labii Inverioris Muscle
Into the Orbicularis oris muscle (and skin) of lower lip
28
What is the action of the Depressor Labii inferioris Muscle
Depress lower lip
29
What is the Origin to the Depressor Anguli Oris Muscle
Anterior Aspect of Mandible
30
What is the Insertion of the Depressor anguli Oris Muscle
Into the orbicularis oris Muscle near corner of mouth
31
What is the action of the Depressor anguli Oris Muscle
Depress corner of mouth
32
What is the Origin to the Nasalis Muscle
Maxilla
33
What are the 2 insertions to the Nasalis Muscle
Into the Contralateral Muscle (over the bridge of nose)* into ala of nose
34
What is the action of the Nasalis Muscle
Wrinkle nose and dilate nostrils
35
What is the Origin of the Temporalis Muscle
Temporal fossa of the Skull
36
What is the Insertion of the Temporalis Muscle
Coronoid process (and adjacent ramus) of mandible
37
What is the action of the Temporalis Muscle
Elevate mandible (clench teeth)
38
What is the Origin of the Masseter Muscle
Zygomatic arch of the skull
39
What is the Insertion of the Masseter muscle
Coronoid process and lateral aspect of the of ramus of mandible
40
What is the action of the Masseter Muscle
Elevate Mandible (clench teeth)
41
What is the Origin of the Lateral Pterygoid Muscle
Lateral wall of pterygoid process and adjacent greater wing of sphenoid bond
42
What is the Insertion of the Lateral Pterygoid Muscle
Condyloid process of mandible and articular disc of temporomandibular joint
43
What are the 2 actions of the Lateral Pterygoid Muscle
Protract mandibleDepress mandible (weekly)
44
What are the 3 Origins of the Medial Pterygoid Muscle
Between the medial and lateral walls of the pterygoid process of the sphenoid bone*Palatine bone*Maxilla
45
What is the Insertion of the Medial pterygoid Muscle
Medial aspect of the mandible (near the angle)
46
What is the 2 actions of the Medial Pterygoid Muscle
Elevate MandibleMove mandible laterally
47
What is the Origin to the Platysma
fascia over pectoralis Major Muscle and the Deltoidus Muscle
48
What is the Insertion to the Platysma
Lower mandibular region
49
What art the 2 actions of the Platysma
Depresses lower lipWrinkle skin of neck and upper chest (yelling & screaming)
50
What is the 2 Origins to the Sternocleidomastoideus Muscle
Manubrium of the sternumSternal extremity of the clavicle
51
What is the Insertion to the Sternocleidomastoideus Muscle
Mastodi process of temporal bone
52
What are the 2 actions to the Sternocleidomastoideus Muscle
Turn head toward opposite side;Flex joints of cervical vertebral column
53
What are the 4 Origins to the Pectoralis Major Muscle
ClavicleSternumfirst six ribsAponeurosis of external abdominal oblique muscle
54
What is the Insertion to the Pectoralis Major Muscle
Crest of greater tubercle of humerus and directly inferior to the greater tubercle of humerus
55
What are the 3 actions to the Pectoralis Major Muscle
Flex the shoulder jointAdduct the Superior limb at the Shoulder JointRotate the superior limb at the shoulder joint
56
What is the Origin to the Pecoralis Minor Muscle
Ribs 3-5/6 near costochondral joints
57
What is the insertion of the Pectoralis Minor Muscle
Coracoid process of scapula
58
What is the 2 actions of the Pectoralis Minor Muscle
Draw scapula anterior and downElevate ribs
59
What is the Origin of the Serratus Anterior Muscle
Center of lateral aspects of first eight or nine ribs
60
What is the Insertion of the Serratus Anterior Muscle
Medial border of scapula
61
What are the 2 actions of the Serratus anterior Muscle
Rotate scapula and pull it forward,Elevate ribs
62
What is the Origin to the External Intercostal Muscles
Inferior Borders of ribs
63
What is the Insertion of the External intercostal Muscles
Superior boarders of ribs
64
What are the 2 actions of the External intercostal Muscles
Elevate ribsMaintain tension in the intercostal spaces
65
What is the Origin to the Internal intercostal Muscles
Inferior borders of ribs
66
What is the Inertions of the Internal intercostal Muscles
Superior borders of ribs
67
What are the 2 actions of the External Intercostal Muscles
Depress the ribsMaintain tension in the intercostal spaces
68
What is the origin of the Rectus abdominis Muscle
Crest and symphysis of pubis
69
What are the 2 insertions of the Rectus abdominis Muscle
Xiphoid process of the sternumCostal cartilages 5,6,7
70
What are the 2 actions of the Rectus Abdominis Muscle
Draw thorax downward (flex joints of vertebral column),*Compress abdomen
71
What is the Origin of the External abdominal oblique Muscles
Ribs 5-12
72
What are the 3 Insertions of the External abdominal oblique Muscle
Anterior Lamina of the sheath of the rectus abdominis Muscle*Anterior half of iliac crest*Inguinal Ligament
73
What are the 3 actions of the External abdominal oblique muscle
Draw the thorax downward (flex joints of vertebral column,)*Compress abdomen*Rotate vertebral column if contracted unilaterally
74
What are the 4 Origins of the Internal abdominal oblique Muscle
Anterior Half of crest of iliumLumbar fasciaIliac fasciaInguinal ligament
75
What are the 2 insertions of the Internal abdominal oblique Muscle
Ribs 10-12Sheath of rectus abdominis Muscle
76
What are the 3 actions of the Internal abdominal oblique Muscle
Draw thorax downward (flex joints of vertebral column)*compress abdomen,*rotate vertebral column
77
What are the 4 origins to the Transversus abdominis Muscle
Costal cartilages of rib 7-12Lumbar fasciaIliac crestInguinal ligament
78
What are the 2 Insertions of the Transversus Abdominis Muscle
Xiphoid process of sternumPosterior lamina of sheath of rectus abdominis Musce
79
What is the action of the Transversus Abdominis Muscle
Compress abdomen
80
What are the 3 Origins of the Trapezius Muscle
Occipital boneNuchal ligamentSpinous processes of C7 and thoracic vertebrae
81
What are the 3 insertions of the Trapezius Muscle
ClavicleSpine of the scapulaAcromion of scapula
82
What are the 2 Actions of the Trapezius Muscle
Draw head laterally or posteriorly,Rotate scapula
83
What are the 3 Origins of the Latissimus Dorsi Muscle
Spinous processes of lower 5 or 6 thoracic vertebraedSpinous processes of the lumbar vertebraeMedian sacral crest
84
What is the Insertion of the Latissimus Dorsi Muscle
With teres major muscle into the medial border of the intertubercular groove of the humerus
85
What are the 3 Actions of the Latissimus dorsi Muscle
Adduct superior limb at the shoulder jointRotate limb medially at shoulder jointExtend shoulder joint
86
What is the origin of the Rhomboideus Major Muscle
Spinous processes of thoracic vertebrae 2-5
87
What is the Insertion of the Rhomboideus Major Muscle
Medial border of scapula below level of its spine
88
What is the Action of the Rhomoboideus Major Muscle
Pull (retract) scapula toward vertebral column
89
What is the origin of the Rhomboideus Minor Muscle
Spinous processes of C7 and T1
90
What is the Insertion of the Rhomboideus Minor Muscle
Medial border of scapula at the level of its spine
91
What is the action of the Rhomboidus Minor muscle
Pull scapula toward vertebral column and slightly superiorly
92
What is the origin of the Levator Scapulae Muscle
Transverse processes of first four cervical vertebrae
93
What is the insertion of the Levator scapulae Muscle
Superior angle of the scapula
94
What is the action of the levator scapulae muscle
Elevate scapula
95
What 3 muscle make up the Erector spinae Muscles
Spinalis MuscleLongissimus MuscleIliocostalis Muscle
96
What is the Origin of the erector spinae Muscles
NONE
97
What is the Insertions of the erector spinae muscles
**Attachments** transverse processes of vertebrae, ribs, and ilium
98
What is the actions of the Erector spinae Muscles
Extend joints of vertebral columnBend trunk loaterally

Axial Myology (1 decks)

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