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GENERAL ANATOMY > AXIAL MUSCLES > Flashcards

AXIAL MUSCLES Flashcards

1
Q

This is a fundamental type of tissue; for locomotion & movement of the various parts of the body; it is highly cellular & well-vascularized

A

Contractility

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2
Q

It is voluntary and striated; found in the skeletons & mmjoints of skeletons via tendons.

A

Skeletal muscles

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3
Q

This is involuntary and striated; found in the heart muscle.

A

Cardiac muscle

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4
Q

This is involuntary and non-striated; found in the walls of hollow internal organs

A

Smooth muscle

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5
Q

PART OF SKELETAL MUSCLE:

This is the stationary attachment of muscle usually to the bone

A

Origin

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6
Q

PART OF SKELETAL MUSCLE:

This is the movable attachment of the muscle.

A

Insertion

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7
Q

PART OF SKELETAL MUSCLE:

This is the fleshy part of the muscle

A

Belly

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8
Q

MUSCLE GROUPS ACCORDING TO THEIR PRIMARY ACTIONS:

This is contraction is mainly responsible for producing a particular movement
EX: BICEPS BRACHII- flexion of forearm

A

Prime mover or agonist

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9
Q

MUSCLE GROUPS ACCORDING TO THEIR PRIMARY ACTIONS:

This opposes the action of the agonist
EX: TRICEPS BRACHII- extends forearm

A

Antagonist

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10
Q

MUSCLE GROUPS ACCORDING TO THEIR PRIMARY ACTIONS:

This assists prime movers in its action; it reduce excess & unnecessary motion
EX: Latissimus Dorsi & Teres Major

A

Synergists

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11
Q

What are the muscles of the head?

A

Muscles of facial expression, Extraocular muscles, Muscles of mastication, Muscles of the tongue, Muscles of middle ear, Muscles of soft palate, Muscles of pharynx

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12
Q

This compresses the cheeks, trumpeteer’s muscle; chewing

A

Buccinator

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13
Q

This pulls your lower lip down or to the side; lowering lower lip

A

LEVATOR LABII INFERIORIS (QUADRANGULARIS)

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14
Q

This is the elevation of the upper lip; raising upper lip

A

LEVATOR LABII SUPERIORIS

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15
Q

This is the protrusion of the lower lip and elevates the skin of the chin; raising chin & protruding lower lip

A

MENTALIS

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16
Q

This purses lips; “kissing muscle”; closing & pursing lips, pouting, grimacing

A

ORBICULARIS ORIS

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17
Q

This is pulling the corner of the mouth laterally via its contraction in an outward and upward motion; stretching lips

A

RISORIUS

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18
Q

This depresses angle of mouth; frowning

A

DEPRESSOR ANGULI ORIS (TRIANGULARIS)

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19
Q

This pulls the angle of the mouth superolaterally; sweet smile; laughing muscle; smiling

A

ZYGOMATICUS MAJOR

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20
Q

This elevates upper lip; raising upper lip, assisting smiling

A

ZYGOMATICUS MINOR

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21
Q

Raising neck skin, grimacing

A

PLATYSMA

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22
Q

Frowning; draws eyebrows medially

A

CORRUGATOR SUPERCILII

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23
Q

Surprise

A

EPICRANIAL

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24
Q

Closing eyelids

A

ORBICULARIS OCULI

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25
This wrinkles root of nose
Procerus
26
This compresses nose EX: sniffing
Nasalis
27
This move ears to different directions
Auricular muscles
28
This moves scalp forward & backward
Epicranius
29
The transverse wrinkle of forehead
Frontalis
30
This moves the scalp back
Occipitalis
31
This move eyeball in different directions
Extraocular muscle
32
This is supplied by CN III
RECTUS MUSCLES (INFERIOR, MEDIAL, SUPERIOR, INFERIOR)
33
This is supplied by CN IV
SUPERIOR OBLIQUE
34
This is supplied by CN VI
LATERAL RECTUS
35
This is supplied by CN III
LEVATOR PALPEBRAE SUPERIORIS
36
This is supplied by CN V
Muscles of mastication
37
This elevates mandible
MASSETER
38
This elevates & retracts mandible
TEMPORALIS
39
This elevates mandible, closes jaws, moves mandible side to side
MEDIAL PTERYGOID
40
This opens jaws, protrudes mandible side to side
LATERAL PTERYGOID
41
MUSCLES OF THE TONGUE: This forms the shape & body of the tongue
Intrinsic muscles
42
MUSCLES OF THE TONGUE: This is attached to other structures aside from the tongue
Extrinsic muscles
43
EXTRINSIC MUSCLES OF THE TONGUE: This protrudes tongue
GENIOGLOSSUS
44
EXTRINSIC MUSCLES OF THE TONGUE: This depress & retracts the tongue
HYOGLOSSUS
45
EXTRINSIC MUSCLES OF THE TONGUE: This elevates tongue, depress soft palate
PALATOGLOSSUS
46
EXTRINSIC MUSCLES OF THE TONGUE: This moves the tongue upward & backward
STYLOGLOSSUS
47
This is contract in response to loud sound
Muscles of the middle ear
48
MUSCLES OF THE MIDDLE EAR: This weakens vibration of stapes
STAPEDIUS
49
MUSCLES OF THE MIDDLE EAR: This weakens vibration of malleus
TENSOR TYMPANI
50
This is supplied by pharyngeal plexus (CN IX, X, XI & sympathetic nerve) except tensor veli palatini (CN V).
Muscles of the soft palate
51
What are the 5 muscles of soft palate?
Tensor veli tympani, Levator levi palatini, Palatoglossus, Palatopharyngeus, Musculus uvulae
52
This functions for swallowing; supplied by pharyngeal plexus except stylopharyngeus (CN IX).
Muscles of the pharynx
53
What are the 4 muscles of the pharynx?
Superior, middle, inferior constrictor, Salphingopharyngeus, Palatopharyngeus, Stylopharyngeus
54
MUSCLES OF THE NECK: What is the superficial muscle of the neck?
Platysma
55
MUSCLES OF THE NECK: What is the later neck muscle?
Sternocleidomastoid
56
MUSCLES OF THE NECK: This elevates hyoid & depress mandible; consists of digastric, stylohyoid, mylohyoid, and geniohyoid
Suprahyoid muscles
57
This is the region located at the front of the neck.
Anterior triangle
58
BOUNDARIES OF ANTERIOR TRIANGLE: This is the inferior border of the mandible
Superiorly
59
BOUNDARIES OF ANTERIOR TRIANGLE: This is the sternocleidomastoid
Laterally
60
BOUNDARIES OF ANTERIOR TRIANGLE: This is the sagittal line down the midline of the neck
Medially
61
SUBDIVISIONS OF CAROTID TRIANGLE: This is the posterior belly of the digastric muscle
Superior
62
SUBDIVISIONS OF CAROTID TRIANGLE: This is the medial border of the sternocleidomastoid
Lateral
63
SUBDIVISIONS OF CAROTID TRIANGLE: This is the superior belly of the omohyoid muscle
Inferior
64
SUBMENTAL TRIANGLE: This is the hyoid bone
Inferiorly
65
SUBMENTAL TRIANGLE: This is the midline of the neck
Medially
66
SUBMENTAL TRIANGLE: This is the anterior belly of the digastric
Laterally
67
SUBMANDIBULAR TRIANGLE: Superiorly
Body of the mandible
68
SUBMANDIBULAR TRIANGLE: Anteriorly
Anterior belly of the digastric muscle
69
SUBMANDIBULAR TRIANGLE: Posteriorly
Posterior belly of the digastric muscle
70
This is located in the lateral aspect of the neck
Posterior angle
71
BOUNDARIES OF POSTERIOR ANGLE: This is the posterior border of the sternocleidomastoid
Anterior
72
BOUNDARIES OF POSTERIOR ANGLE: This is the anterior border of the trapezius muscle
Posterior
73
BOUNDARIES OF POSTERIOR ANGLE: This is the middle 1/3 of the clavicle.
Inferior
74
SUBDIVISIONS OF POSTERIOR ANGLE: This is the larger, superior part.
Occipital triangle
75
SUBDIVISIONS OF POSTERIOR ANGLE: This is the inferior triangle & contains the distal portion of the subclavian artery; it is also known as the omoclavicular or supraclavicular triangle
Subclavian triangle
76
SUBDIVISIONS OF POSTERIOR ANGLE: This depresses hyoid & elevate larynx; it consists of: Sternohyoid, Sternothyroid, Thyrohyoid, and Omohyoid
Infrahyoid muscles (strap muscle)
77
SUBDIVISIONS OF POSTERIOR ANGLE: This is anterior to the vertebrae; it flexes neck; it consists of: Longus coli, Longus capitis, Rectus capitis anterior, Rectus capitis lateralis
Prevertebral muscles
78
SUBDIVISIONS OF POSTERIOR ANGLE: This is the lateral flexors of the neck; it consists of: SCALENE ANTERIOR, SCALENE MEDIUS (attached to 1st rib), and SCALENE POSTERIOR (attached to 2nd rib)
Lateral vertebral muscles
79
What are the 4 muscles in anterior vertebral (prevertebral) muscles?
Longus coli, Longus capitis, Rectus capitus anterior, and Rectus capitus lateralis
80
This is underneath semispinalis capitis; it is supplied by occipital nerve
Suboccipital muscles
81
What are the 4 muscles in suboccipital muscles?
Rectus capitis posterior major, Rectus capitis posterior minor, Obliquus capitis inferior, and Obliquus capitis superior
82
This is attached to other structures aside from laryngeal cartilage; consists of sternothyroid and thyrohyoid
Intrinsic of laryngeal muscles
83
INTRINSIC CN X: This closes laryngeal inlet
OBLIQUE ARYTENOID & ARYEPIGLOTTIC
84
INTRINSIC CN X: This tenses vocal fold
CRICOTHYROID
85
INTRINSIC CN X: This relaxes vocal fold
THYROARYTENOID
86
INTRINSIC CN X: This adducts vocal fold
LATERAL CRICOARYTENOID & TRANVERSE ARYTENOID
87
INTRINSIC CN X: This abducts vocal folds
POSTERIOR CRICOARYTENOID
88
This is primarily responsible for changing the volume of the thoracic cavity during respiration.
Muscles of the thoracic wall
89
Give the 5 muscles of the thoracic wall
External interossei, Internal intercostal, Innermost intercostalis, Tranversus thoracis, Subcostalis
90
This is the lateral abdominal muscles; it flexes trunk & increase abdominal cavity pressure
Antero muscles of the abdominal wall
91
Give the 5 muscles of the antero abdominal wall
External & internal oblique, Transversus abdominis, Rectus abdominis, Pyramidalis
92
Give the 3 muscles of posterior abdominal muscles.
quadratus lumborum, psoas major & minor, iliacus
93
MUSCLES OF PELVIS: This is the posterior wall of pelvic cavity
PYRIFORMIS
94
MUSCLES OF PELVIS: This is the lateral wall
OBTURATOR INTERNUS
95
MUSCLES OF PELVIS: This is the pelvic diaphragm
LEVATOR ANI & COCCYGEUS

GENERAL ANATOMY (4 decks)

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