Muscles- Head And Neck Flashcards

1
Q

Zygomaticus minor

A

Action: retracts and elevates upper lip
Origin: zygomatic bone
Insertion: upper lip

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2
Q

Epicranial aponeurosis

A

Action: wrinkles forehead, raises eyebrows

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3
Q

Platysma

A

Action: tenses skin of neck, depresses mandible
Origin: thorax behind cartilage of second rib and scapula
Insertion: mandible, skin of cheek

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4
Q

Anterior scalene

A

Action: flex on of cervical spine
Origin: vertebrae c3-c6
Insertion: scalene tubercle, cranial crest of first rib

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5
Q

Buccinator

A

(Under masseter)
Action: compresses cheeks
Origin: maxilla and mandible
Insertion: orbicularis Oris

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6
Q

Depressor labii inferiors

A

Action: depresses lower lip
Origin: mandible
Insertion: skin of lower lip

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7
Q

Levator labii superioris

A

Action:elevates upper lip
Origin: orbit of eye
Insertion: orbicularis Oris

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8
Q

Mentalis

A

Action: elevates and protrudes lower lip
Origin: mandible
Insertion: skin of chin

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9
Q

Orbicularis Oris

A

Action: compresses, purses lips
Origin: maxilla and mandible
Insertion: lips

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10
Q

Risorius

A

Action: draws corner of mouth to the side
Origin: fascia surrounding parotid salivary gland
Insertion: angle of mouth

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11
Q

Occipitofrontalis

A

Action: raises eyebrows my wrinkles forehead
Origin: epicranial aponeurosis
Insertion: skin of eyebrows, bridge of nose

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12
Q

Orbicularis oculi

A

Action: closes eye
Origin: orbit
Insertion: Skin around eyelid

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13
Q

Corrugator supercilli

A

Action: pulls skin inferiorly and anteriorly, wrinkles brow
Origin: orbital rim
Insertion: eyebrow

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14
Q

*temporalis

A

*know for cat
Action: elevates mandible
Origin: temporal lines of skull
Insertion: mandible

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15
Q

*masseter

A

*know for cat
Action: Elevates mandible, closes jaws
Origin: zygomatic arch
Insertion: mandible

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16
Q

Superior oblique

A

Action: eye rolls, looks down, laterally
Origin: sphenoid around optic canal
Insertion: superior, lateral surface of eyeball

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17
Q

Inferior oblique

A

Action: eye rolls, looks up, laterally
Origin: maxilla at anterior portion of orbit
Insertion: inferior, lateral surface of eyeball

18
Q

Lateral rectus

A

Action: eye looks lateral
Origin: sphenoid around optic canal
Insertion: lateral surface of eyeball

19
Q

Superior rectus

A

Action: eye looksup
Origin: sphenoid around optic canal
Insertion: superior surface of eyeball

20
Q

Medial rectus

A

Action: eye looks medially
Origin: sphenoid around optic canal
Insertion: medial surface of eyeball

21
Q

Inferior rectus

A

Action: eye looks down
Origin: sphenoid around optic canal
Insertion: inferior, medial surface of eyeball

22
Q

Sternocleidomastoid

A

Action: flex neck, bends head towards shoulder, turns face to opposite side
Origin: clavicle, manubrium
Insertion: mastoid of skull, superior nuchal line

23
Q

Thyrohyoid

A

Action: elevates thyroid, depresses hyoid bone
Origin: thyroid cartilage of larynx
Insertion: hyoid bone

24
Q

Stylohyoid

A

Style hyoid: action: elevates larynx
Origin: stylized process of temporal bone
Insertion: hyoid bone

25
Q

Sternohyoid

A

Action: depresses hyoid bone and larynx
Origin: dorsal surface of manubrium and first costal cartilage
Insertion: thyroid cartilage of larynx

26
Q

Sternohyoid

A

Action: depresses hyoid bone and larynx
Origin: clavicle and manubrium
Insertion: hyoid bone

27
Q

Omohyoid

A

Action: depresses hyoid bone and larynx
Origin: superior border of scapula
Insertion: hyoid bone

28
Q

*mylohyoid

A

*know for cat
Action: elevates floor of mouth and hyoid bone, depresses mandible
Origin: mylohyoid line of mandible
Insertion: median connective tissue brand, runs to hyoid bone

29
Q

Geniohyoid

A

Action: depresses mandible Or elevates larynx, pulls hyoid bone anteriorly
Origin: median surface if mandible
Insertion: hyoid bone

30
Q

*digastric

A

*know for cat
Action: depresses mandible or elevates larynx
Origin: mandible, mastoid
Insertion: hyoid bone

31
Q

Styloglossus

A

Action: retracts tongue, elevates side
Origin: sty loud process of temporal bone
Insertion: tip and base of tongue

32
Q

Palatoglossus

A

Action: elevates tongue, depresses soft palate
Origin: soft palate
Insertion: side of tongue

33
Q

Hyoglossus

A

Action: depresses and retracts tongue
Origin: hyoid bone
Insertion:side of tongue

34
Q

Genioglossus

A

Action: depresses and protracted tongue
Origin: mandible
Insertion: body of tongue, hyoid bone

35
Q

Lateral pterygoid

A

Action: depresses and protects mandible to open mouth
Origin: sphenoid bone
Insertion: mandible, temporomandibular joint

36
Q

Medial pterygoid

A

Action: elevates mandible
Origin: lateral pterygoid plate
Insertion: mandible

37
Q

Middle scalene

A

Action: elevation 1st rib, rotator, flexion
Origin: vertebrae c2-c7
Insertion: 1st rib

38
Q

*multifundus

A

Action: extension, rotation
Origin: sacrum, iliac crest
Insertion: spinous process

39
Q

Posterior scalene

A

Action: elevation 1st and 2nd ribs
Origin: cervical vertebrae c2-c7
Insertion: 1st and 2nd ribs

40
Q

Quadratus lumborum

A

Actions: flexion if vertebral column, depression of thoracic rib cage
Origin: iliac crest, iliolumbar ligament
Insertion: last rib, lumbar vertebrae

41
Q

Zygomaticus major

A

Action: elevates and retracts courier of mouth
Origin: zygomatic bone
Insertion: angle of mouth