Axial muscular system

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Last updated 7:09 PM on 10/5/26
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52 Terms

1
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Buccinator

nothing

<p>nothing</p>
2
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Buccinator origin

alveolar process of mandible and maxilla

3
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Buccinator insertion

angle of mouth

4
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Buccinator action

compresses cheek against molars

5
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depressor anguli oris

nothing

<p>nothing</p>
6
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depressor anguli oris origin

anteriorlateral surface of mandibular body

7
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depressor anguli oris insertion

angle of mouth

8
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depressor anguli oris action

depresses angle of mouth

9
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Frontalis

nothing

<p>nothing</p>
10
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Frontalis origin

galea aponeurotica

11
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Frontalis insertion

skin and muscles of forehead

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Frontalis action

raises eyebrows/wrinkes skin on forehead

13
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masseter

nothing

<p>nothing</p>
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masseter origin

zygomatic arch

15
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masseter insertion

mandibular angle and ramus

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masseter action

closes (elevates) and retracts mandible

17
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orbicularis oculi

nothing

<p>nothing</p>
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orbicularis oculi origin

medial margin of bony orbit

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orbicularis oculi insertion

eyelids

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orbicularis oculi action

closes eyelids

21
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orbicularis oris

nothing

<p>nothing</p>
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orbicularis oris origin

maxilla and mandible

23
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orbicularis oris insertion

skin surrounding mouth

24
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orbicularis oris action

closes and purses lips

25
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occipitalis

nothing

<p>nothing</p>
26
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occipitalis origin

superior nuchal line of occipital bone

27
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occipitalis insertion

galea aponeurotica

28
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occipitalis action

tenses scalp, moves outer ear

29
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platysma

nothing

<p>nothing</p>
30
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platysma origin

skin of lower neck and upper thorax

31
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platysma insertion

lower mandible and skin of the lower face

32
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platysma action

tenses skin of neck, depresses mandible

33
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temporalis

nothing

<p>nothing</p>
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temporalis origin

temporal fossa

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temporalis insertion

coronoid process of mandible

36
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temporalis action

closes jaw (elevates mandible)

37
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risorius

nothing

<p>nothing</p>
38
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risorius origin

fascia associated with masseter

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risorius insertion

angle of mouth

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risorius action

draws angle of mouth to side

41
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zygomaticus major

nothing

<p>nothing</p>
42
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zygomaticus major Origin

zygomatic bone

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zygomaticus major insertion

angle of mouth

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zygomaticus major action

raises angle of mouth

45
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superior rectus

elevates eye

<p>elevates eye</p>
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inferior rectus

depresses eyes

<p>depresses eyes</p>
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medial rectus

moves eyes medially

<p>moves eyes medially</p>
48
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lateral rectus

action: moves eyes laterally

<p>action: moves eyes laterally</p>
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superior oblique

action: depresses eyes and moves eyes laterally

<p>action: depresses eyes and moves eyes laterally</p>
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inferior oblique

action: elevates eyes and moves eyes laterally

<p>action: elevates eyes and moves eyes laterally</p>
51
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galea aponeurotic

white space

<p>white space</p>
52
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temporal facia

a tough, dense, fibrous sheet of connective tissue that covers and protects the temporalis muscle in the temporal fossa on the side of the head