RA 1 Exam 2 Muscle Flashcards

0
Q
o   Wrinkles run \_\_\_\_ to muscle fibers
o   May be more pronounced on males
o   When muscle tone is lost, tissue \_\_\_\_
o   Gravitational pull:
·      Living it's \_\_\_\_\_
·      Dead it's  \_\_\_\_\_
A

Transverse

Sag

Inferior
Posteriro

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1
Q

Muscles of cranium face and neck. In restorative art used for:

A

· Muscle bulk and contour effect - topographical surface form
· Continual muscle contraction – leaves markings (wrinkles) on face

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2
Q

point of muscle attachment which moves the least

A

ORIGIN

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3
Q

point of muscle attachment which moves the most

A

INSERTION

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4
Q

Muscle of the cranium, only one non-paired. Sheath muscle (long)

A

OCCIPIOFRONTALIS MUSCLE (EPICRANIUS)

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6
Q

covers the top of the skull

A

OCCIPIOFRONTALIS MUSCLE (EPICRANIUS)

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6
Q

PARTS:
§ frontal belly = frontalis
§ occipital belly = occipitalis

A

OCCIPIOFRONTALIS MUSCLE (EPICRANIUS)

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7
Q

draws scalp posteriorly or anteriorly and raises eyebrows

A

OCCIPIOFRONTALIS MUSCLE (EPICRANIUS)

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8
Q

MUSCLES OF MASTICATION

A

TEMPORALIS (2)

MASSETER (2)

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9
Q

EFFECT ON SURFACE FORM:
§ When contracted raises eyebrows
§ Continued contractions forms TRANSVERSE FRONTAL SULCI (Worry lines/Wrinkles)

A

OCCIPIOFRONTALIS MUSCLE (EPICRANIUS)

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11
Q

Broad fan shaped muscle

located along temporal bone

A

TEMPORALIS (2)

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12
Q

mastication (chewing); closing the mandible and some side to side movement

A

TEMPORALIS (2)

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13
Q

provides some bulk to the temporal cavity

A

TEMPORALIS (2)

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14
Q

along face, below zygomatic arch

A

MASSETER (2)

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15
Q

mastication; closes the mandible

A

MASSETER (2)

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15
Q

provides bulk to side of cheek

A

MASSETER (2)

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16
Q

MUSCLES OF EYE

A

OBICULARIS OCULI
CURRUGATOR
LEVATOR PALPEBRAE SUPERIORIS

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18
Q

true sphincter muscle around eyelid. Closes eyelid when contracted

A

OBICULARIS OCULI

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19
Q

Closes eyelid when contracted compresses lacrinal sac (tear duct) closes eyelid when contracted

A

OBICULARIS OCULI

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20
Q

forms Frowning Muscle, pyramid shaped muscle

A

CURRUGATOR

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20
Q

under medial area of eyebrow

A

CURRUGATOR

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21
Q

forms OPTIC FACIAL SULCI (A) or Crow’s Feet (typically 1st facial marking to appear)

A

OBICULARIS OCULI

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23
Q

draws eyebrows downward and medial when contracted

A

CURRUGATOR

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23
Q

“Lifter of upper eyelid”

A

LEVATOR PALPEBRAE SUPERIORIS

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24
Q

forms VERTICAL INTERCILLIARY SULCI (vertical wrinkles between the eyes)

A

CURRUGATOR

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26
Q

runs from inside of the eye socket to the superior tarsal plate of the eyelid

A

LEVATOR PALPEBRAE SUPERIORIS

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27
Q

raises the upper eyelid (can sever to keep eyelid shut)

A

LEVATOR PALPEBRAE SUPERIORIS

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27
Q

along inferior margin of upper eyelid, thin layer of tissue

A

SUPERIOR TARSUS

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28
Q

helps to form Palpebral Fold

A

LEVATOR PALPEBRAE SUPERIORIS

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29
Q

MUSCLE OF THE NOSE

A

PROCERUS

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30
Q

along superior margin of lower eyelid

A

INFERIOR TARSUS

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32
Q

very thin vertical muscle from between the eyebrows to bottom of nose bone

A

PROCERUS

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33
Q

draws skin of forehead and nose downward

A

PROCERUS

33
Q

“CENTER OF EXPRESSION”

A

MOUTH

34
Q

forms Transverse Intercilliary Sulci (frown marks above glabella)

A

PROCERUS

35
Q

“Puckering muscle”

A

ORBICULARIS ORIS

37
Q

muscle surrounding the mouth.

A

ORBICULARIS ORIS

38
Q

closes and puckers the lips, compresses lips against teeth and shapes lips during speech.

A

ORBICULARIS ORIS

39
Q

forms Philtrum, the indent or vertical groove above lip between nose and upper lip (natural facial marking)

A

ORBICULARIS ORIS

40
Q

MUSCLE OF THE MOUTH

A
ORBICULARIS ORIS
(Corners)
ZYGOMATIC MAJOR (2)
BUCCINATOR (2)
TRIANGULARIS (DEPRESSOR ANGULI ORIS)
41
Q

Laughing muscle

A

ZYGOMATIC MAJOR (2)

42
Q

extends from the cheekbone to the angle of the mouth

A

ZYGOMATIC MAJOR (2)

43
Q

corner of the mouth is raised when contracted

A

ZYGOMATIC MAJOR (2)

44
Q

forms Angulus Oris Eminence or projection at the corner of the mouth

A

ZYGOMATIC MAJOR (2)

45
Q

Principle muscle of the cheek “trumpeters muscle”

A

BUCCINATOR (2)

46
Q

forms lateral wall of the mouth

A

BUCCINATOR (2)

47
Q

compresses cheek and draws corner of mouth posteriorly – produces sucking action

A

BUCCINATOR (2)

48
Q

helps form Angulus Oris Eminence, the Bucco-Facial Sulcus, (reverse parentheses lines in cheeks) forms lateral wall of the cheek

A

BUCCINATOR (2)

49
Q

from mandible to insert into the anguli oris

A

TRIANGULARIS (DEPRESSOR ANGULI ORIS)

50
Q

depresses the angle of the mouth

A

TRIANGULARIS (DEPRESSOR ANGULI ORIS)

51
Q

helps form Angulus Oris Eminence (small convex prominence lateral to the end of the line of lip closure of the mouth)

A

TRIANGULARIS (DEPRESSOR ANGULI ORIS)

52
Q

MUSCLES OF THE MOUTH & ANTERIOR CHEEK

A
  1. Quadratus Labii Superioris
  2. Levator Anguli Oris
  3. Risorius
  4. Depressor Labii Inferioris
  5. Mentalis
53
Q

Quadratus Labii Superioris

A

Levator Labii Superioris Alaeque Nasi
Levator Labii Superioris
Zygomatic Minor

54
Q

multi-headed muscle 3 primary that extends from cheek bone, lower rim of eye socket and raised the upper lip

A

Quadratus Labii Superioris

55
Q

elevates or raise upper lip and dilates/flares the nostrils

A

Levator Labii Superiors Alaeque Nasi

56
Q

elevate and extend upper lip

A

Levator Labii Superiors

57
Q

Draws the superior lip superiorly and laterally.

A

Zygomaticus Minor

58
Q

Group of muscles serves to raise the upper lip. Sneer like Elvis Pressley

A

Quadratus Labii Superioris

59
Q

helps to form Nasolabial Sulcus

A

Quadratus Labii Superioris

60
Q

elevate/lift angle of mouth

A

Levator Anguli Oris

61
Q

located around k9 teeth and form the Nasolabial Fold

A

Levator Anguli Oris

62
Q

False smile muscle

A

Risorius

63
Q

draws angle of mouth outward and lateral

A

Risorius

64
Q

retracts angle of mouth

A

Risorius

65
Q

Draw inferior/lower lip inferiorly and somewhat laterally

A

Depressor Labii Inferioris (Quadratus)

66
Q

depresses lower lip

A

Depressor Labii Inferioris (Quadratus)

67
Q

elevates and protrudes the lower lip

A

Mentalis

68
Q

forms temp wrinkle of skin in chin area

A

Mentalis

69
Q

gives interior bulk/projection of chin (mental eminence)

A

Mentalis

70
Q

Mentalis Note:
fibers of mental muscle will give you a clef chin
depression is a dimple.
Dimples - rounded or elongated depressions of the cheek or chin

A

Mentalis Note:
Clef - elongated dimple/depression
Bilobated chin - long clef that visually separate chin ino 2 lobes

71
Q

MUSCLES OF THE NECK

A

Platysma
Sternocleidomastoid (SCM)
Digastric (2)

72
Q

broad flat sheets of muscle covering the neck

Fills up space in neck

A

Platysma

73
Q

Depresses mandible and lower lip

A

Platysma

74
Q
forms following Effects:
o	Buccofacial Sulcus
o	Mandibular Sulcus
o	Serrated Jawline
o	Platysmal Sulci
A

Platysma

75
Q

it also arises from the fascia (thin layer of connective tissue) covering the large muscles in the region of the collar bone, ribs shoulder

A

Platysma

76
Q

side to side movement and rotate and depress lower head

A

Sternocleidomastoid (SCM)

77
Q

forms Effects: widest part of neck (measured from 1 belly of SCM to the other)

A

Sternocleidomastoid (SCM)

78
Q

relatively thick muscle which passes obliquely/slanting across the side of the neck

A

Sternocleidomastoid (SCM)

79
Q

doubled bellied muscle of the neck which attaches to the mastoid process and the mandible

A

Digastric (2)

80
Q

manipulate hyoid bone superior which helps manipulate the tongue

A

Digastric (2)

81
Q

forms Effects: cords of the neck (elongated/vertical)

A

Digastric (2)