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PT612 > Muscles of Head and Neck > Flashcards

Muscles of Head and Neck Flashcards

1
Q

Pharyngeal Arches is cartilage that forms

A

several small bones of the head region

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2
Q

pharyngeal arch muscles forms much of the musculature of the

A

face, oral cavity, pharynx, & larynx

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3
Q

innervation to the pharyngeal arch muscles is

A

DORSAL ROOT CN

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4
Q

Gut Tube is

A

striated voluntary muscle from vestibule of the mouth to the beginning of the esophagus

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5
Q

Muscles of Facial Expression do what

A

protect the openings of the head
act as Sphincters or dilators
move the skin to produce expression

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6
Q

Muscles of FE are important for

A

speech and sound production

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7
Q

Innervation of Muscle of FE is

A

Facial Nerve VII

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8
Q

Muscle of FE are derived from

A

2nd Pharyngeal Arch

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9
Q

the Muscle of Facial expression are:

A 
Orbicularis Oculi
Orbicularis Oris
Buccinator
Platysma
Frontalis
Occipitalis
Levator labii Superioris 
Mentalis
Nasalis
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10
Q

2 parts to Orbicularis Oculi

and what they do

A

Oribital- outer ring; FORCEFULLY CLOSES (squinting)

Palpebral- inner ring; gently closes (blinking)

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11
Q

Buccinator is used to

A

during chewing to keep food between teeth

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12
Q

Buccinator is pierced by

A

parotid duct

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13
Q

attached to ________ posteriorly and _______ anteriorly

A

pterygomandibular raphe

muscles of the mouth

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14
Q

two groups of Pharyngeal Arch muscles

A

Hypaxial and Epaxial

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15
Q

Hypaxial Groups are

A

suprahyoid
Infrahyoid (rectus cervis)
scalenes
prevertebrals

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16
Q

Epaxial Groups are

A

slenius
longissimus
semispinalis
Suboccipital muscles

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17
Q

the two muscles of the neck derived from pharyngeal arches

A

SCM

Trapezius

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18
Q

Trapezius origin and insertion

A

from nuchal line and external occipital protuberance to clavicle and scapula

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19
Q

SCM origin and insertion

A

from mastoid process to sternum and clavicle

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20
Q

action of SCM

A

flexes the head on neck

tilts head to shoulder on same side

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21
Q

innervated by:

A

Spinal Accessory Nerve XI

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22
Q

Torticollis is a condition produced by:

A

contraction of cervical mm that produce twisting of the neck

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23
Q

Suprahyoid Muscles are

A 
Mylohyoid
Anterior Digastric 
Posterior Digastric
Stylohyoid
(Geniohyoid): infrahyoid group
24
Q

actions of the Suprahyoid mm are

A

Depress Anterior Mandible
or
Elevate hyoid

25
Q

Mylohyoid forms

A

the floor of the mouth

26
Q

Mylohyoid origin and insertion

A

from mylohyoid line of mandible to hyoid and midline tendon

27
Q

innervation to Mylohyoid

A

V3

28
Q

Anterior Digastric Origin and insertion

A

from digastric fossa of mandible to tendon sling of hyoid

29
Q

Innervation to anterior digastric

A

V3

30
Q

Posterior Digastric origin and insertion

A

from mastoid notch on medial surface of mastoid process to tendon sling on hyoid

31
Q

innervation to Post Digastric

A

Facial VII

32
Q

Stylohyoid origin and insertion

A

from styloid process to hyoid bone

33
Q

they stylohyoid tendon:

A

splits to pass around the digastric sling

34
Q

innervation to Stylohyoid

A

Facial VII

35
Q

Geniohyoid origin and insertion

A

mental spine (genial tube) to mandible to hyoid

36
Q

Infrahyoid Group is referred to as

A

Rectus Cervis

37
Q

Infrahyoid Muscles are

A 
Omohyoid
Sternohyoid
Thyrohyoid
Sternothyroid
Geniohyoid
38
Q

actions of Infrahyoid mm

A

Stabilize

or Depress hyoid & thyroid cartliage

39
Q

omohyoid origin and insertion

A

hyoid to scapula
2 bellies
tendon through sling

40
Q

Sternohyoid

A

from hyoid to sternum

41
Q

Thyrohyoid

A

from hyoid to thyroid cartliage

42
Q

Sternthyroid

A

from thyroid cartilage to sternum

43
Q

Geniohyoid

A

from mental spine of mandible to hyoid

44
Q

Innervation to Infrahyoid mucles:

A

Ansa Cervicalis

45
Q

Prevertebral Muscles are

A 
muscle ventral to vertebral column 
Rectus Capitis Anterior
Recuts Capitis Lateralis
Longus Capitis
Longus Colli
46
Q

Rectus capitis Ante origin and insertion

and innervation

A

C1 to skull

C1-C2

47
Q

Rectus capitis Lateralis origin and insertion

and innervation

A

C1 to skull

C1-C2

48
Q

Longus Capitis origin and insertion

and innervation

A

transverse process to skull

C1-C3

49
Q

Longus Colii origin and insertion

and innervation

A

vertebral body to transverse process and body

C2-C6

50
Q

actions of Prevertebral Muscles

A

Flex head and neck

51
Q

Scalene Muscles are

A

Scalenus Anterior
Scalenus Middle
Scalenus Posterior

52
Q

Scalene muscles origin and insertion

A

from transverse process of C2-C7
to 1st rib anterior and middle
and 2nd rib posterior

53
Q

the roots of the _______ pass between the ________

A

brachial plexus

anterior & middle

54
Q

innervation to scalene muscles

A

ventral rami C5-C8

55
Q

extrinsic tongue muscles

A

change the position of the tongue
styloglossus
genioglossus
hyoglossus

56
Q

intrinsic tongue muscles

A

change the shape of the tongue

long, trans. vertical

PT612 (9 decks)

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