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When the ______________ contracts, the corner of the mouth is drawn upward.
zygomaticus major
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The ______________ acts to compress the wall of the cheeks when air is blown out of the mouth.
buccinator
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The ________________ causes the lips to close and pucker during kissing, whistling, and speaking.
orbicularis oris
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The _______________ and platysma help to lower the mandible.
lateral pterygoid
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The temporalis acts to ____________________.
elevate mandible
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The _________________ pterygoid can close the jaw and pull it sideways.
medial
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The _____________ pterygoid can protrude the jaw, pull the jaw sideways, and open the mouth.
lateral
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The ___________________ can close the eye, as in blinking.
orbicularis oculi
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The ___________________ can pull the head toward the chest.
sternocleidomastoid
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The __________________ can pull the head to one side, rotate it, or bring it into an upright position (extend head).
semispinalis capitis
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The muscle used for pouting and to express horror is the _______________.
platysma
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The muscle used to smile and laugh is the _________________.
zygomaticus (major and minor)
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What is the origin and insertion of the epicranius muscle?
origin: occipital bone
insertion: skin and muscle around the eye
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What is the origin and insertion of the zygomaticus major muscle?
origin: zygomatic bone
insertion: orbicularis oris
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What is the origin and insertion of the masseter muscle?
origin: zygomatic arch
insertion: lateral surface of mandible
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What is the origin and insertion of the lateral pterygoid muscle?
origin: sphenoid bone
insertion: anterior surface of mandibular condyle
-
What is the origin and insertion of the sternocleidomastoid muscle?
origin: anterior surface of sternum and upper clavicle
insertion: mastoid process of temporal bone
-
What is the origin and insertion of the buccinator muscle?
origin: outer surfaces of mandible and maxilla
insertion: orbicularis oris
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What is the origin and insertion of the platysma muscle?
origin: fascia in upper chest
insertion: lower border of mandible and skin around corner of mouth
-
What is the origin and insertion of the temporalis muscle?
origin: temporal bone
insertion: coronoid process and anterior ramus of mandible
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What is the origin and insertion of the splenius capitis muscle?
origin: spinous processes of cervical and thoracic vertebrae
insertion: mastoid process of temporal bone and occipital bone
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What is the origin and insertion of the semispinalis capitis muscle?
origin: process of cervical and thoracic vertebrae
insertion: occipital bone
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