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Frontalis
- Origin:Cranial Aponeurosis
- Insertion: Skin of eyebrows
- Action: raises eyebrows
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Orbicularis oculi
- origin: frontal bone and maxilla
- insertion: tissue around eyes
- action: blinks and closes eyes
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orbicularis oris
- origin: mandible and maxilla
- insertion: skin and muscle around mouth
- action: closes and protrudes lips
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temporalis
- origin: temporal bone
- insertion: mandible
- action: closes jaw
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zygomaticus
- origin: zygomatic bone
- insertion: skin and muscle at corner of lips
- action: raises corner of mouth
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Masseter
- origin: temporal bone
- Insertion: mandible
- Action: closes jaw
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Buccinator
- Orign: maxilla and mandible near molars
- Insertion: orbicularis oris
- action: compresses cheek as in whistling and suckingl holds food betewen teeth during chewing
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Sternocleidomastoid
- Origin: sternum and clavicle
- Insertion: temporal bone (mastoid process)
- Actoin: flexes neck; rotates head
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Platysma
- Origin: connective tissue tissue covering of superior chest muscles
- Insertion: tissue around mouth
- Action: pulls corners of mouth inferiorly
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