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Muscles of the Face, Head and Neck. Muscles of the face originate on the surface of the skull and...
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Transcript of Muscles of the Face, Head and Neck. Muscles of the face originate on the surface of the skull and...
![Page 1: Muscles of the Face, Head and Neck. Muscles of the face originate on the surface of the skull and insert into the dermis of the skin…when the muscles.](https://reader036.fdocuments.net/reader036/viewer/2022062423/56649f385503460f94c543ae/html5/thumbnails/1.jpg)
The Muscular SystemMuscles of the Face, Head and Neck
![Page 2: Muscles of the Face, Head and Neck. Muscles of the face originate on the surface of the skull and insert into the dermis of the skin…when the muscles.](https://reader036.fdocuments.net/reader036/viewer/2022062423/56649f385503460f94c543ae/html5/thumbnails/2.jpg)
General Info:
Muscles of the face originate on the surface of the skull and insert into the dermis of the skin…when the muscles contract, the skin moves
Largest group of facial muscles are associated with the mouth
![Page 3: Muscles of the Face, Head and Neck. Muscles of the face originate on the surface of the skull and insert into the dermis of the skin…when the muscles.](https://reader036.fdocuments.net/reader036/viewer/2022062423/56649f385503460f94c543ae/html5/thumbnails/3.jpg)
Buccinator (“trumpet player”)
Region: cephalic/mouthAction: compresses cheeks towards
teeth Ex: playing a trumpet
![Page 4: Muscles of the Face, Head and Neck. Muscles of the face originate on the surface of the skull and insert into the dermis of the skin…when the muscles.](https://reader036.fdocuments.net/reader036/viewer/2022062423/56649f385503460f94c543ae/html5/thumbnails/4.jpg)
Orbicularis oris
Region: cephalic/mouthAction: compresses, purses lips
Ex: kissing
![Page 5: Muscles of the Face, Head and Neck. Muscles of the face originate on the surface of the skull and insert into the dermis of the skin…when the muscles.](https://reader036.fdocuments.net/reader036/viewer/2022062423/56649f385503460f94c543ae/html5/thumbnails/5.jpg)
Depressor anguli oris
Region: cephalic/mouthAction: depresses corner of mouth
Ex: frowning
![Page 6: Muscles of the Face, Head and Neck. Muscles of the face originate on the surface of the skull and insert into the dermis of the skin…when the muscles.](https://reader036.fdocuments.net/reader036/viewer/2022062423/56649f385503460f94c543ae/html5/thumbnails/6.jpg)
Zygomaticus
Region: cephalic/mouthAction: draws corner of mouth
upward Ex: smiling
![Page 7: Muscles of the Face, Head and Neck. Muscles of the face originate on the surface of the skull and insert into the dermis of the skin…when the muscles.](https://reader036.fdocuments.net/reader036/viewer/2022062423/56649f385503460f94c543ae/html5/thumbnails/7.jpg)
Orbicularis oculi
Region: cephalic/eyeAction: closes eye
Ex: blinking, squinting
![Page 8: Muscles of the Face, Head and Neck. Muscles of the face originate on the surface of the skull and insert into the dermis of the skin…when the muscles.](https://reader036.fdocuments.net/reader036/viewer/2022062423/56649f385503460f94c543ae/html5/thumbnails/8.jpg)
Frontalis
Region: cephalic/scalpAction: raises eyebrow, wrinkles
forehead
![Page 9: Muscles of the Face, Head and Neck. Muscles of the face originate on the surface of the skull and insert into the dermis of the skin…when the muscles.](https://reader036.fdocuments.net/reader036/viewer/2022062423/56649f385503460f94c543ae/html5/thumbnails/9.jpg)
Occipitalis
Region: cephalic/scalpAction: tenses and retracts the
scalp
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Masseter
Region: mandibleAction: closes mandible
Ex: closes mouth during chewing
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Pterygoids
Region: mandibleAction: elevates , protracts and/or
moves mandible side to side
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Temporalis
Region: cephalic/mandibleAction: elevates mandible
Ex: clenching your jaw, crushing food
![Page 13: Muscles of the Face, Head and Neck. Muscles of the face originate on the surface of the skull and insert into the dermis of the skin…when the muscles.](https://reader036.fdocuments.net/reader036/viewer/2022062423/56649f385503460f94c543ae/html5/thumbnails/13.jpg)
Platysma
Region: cervicalAction: tenses skin of neck,
depresses mandible
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Digastric (“two bellies”)
Region: cervicalAction: depresses mandible and
elevates larynx Ex: opening mouth
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Mylohyoid
Region: cervicalAction: elevates floor of mouth and
hyoid and/or depresses mandible Actually forms the floor of the oral cavity
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Sternohyoid
Region: cervicalAction: depresses hyoid bone and
larynx
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Sternothyroid
Region: cervicalAction: depresses hyoid and larynx
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Stylohyoid
Region: cervicalAction: elevates larynx
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Sternoclediomastoid
Region: cervicalAction: both sides together flex the
neck; one side alone bends head toward shoulder and turns face to opposite side
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Anatomy - Human
frontalis
temporalis
Orbicularis oculi
masseter
buccinator
Depressor angulisternocleidomastoid
zygomaticus
Orbicularis oris
platysma
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Name the muscle…
Frontalis
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Name the muscle…
Buccinator and orbicularis oris
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Name the muscle…
Orbicularis oculi
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Name the muscle…
Platysma
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Name the muscle…
Orbicularis oris
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Name the muscle…
Depressor Anguli Oris
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Anatomy - catPectoralis major
Pectoantebrachialis
Clavobrachialis
Clavotrapezius
Cleidomastoid
Sternomastoid
Sternohyoid
Mylohyoid
Digastric
Masseter