Anatomy Muscle Functions
Terms
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- Orbicularis Oculi
- Closes Eye
- Nasalis
- Compresses nasal aperture (Blows your nose)
-
Levator Labii Superioris
Alaeque Nasi -
raise upper lip
dilates nostrils (flares) - Levator Labii Superioris
- raises upper lip
- Levator Anguli Oris
- raises angle of mouth
- Zygomaticus Major
-
corner of mouth
up and back (laughing) - Zygomaticus Minor
- elevates upper lip
- Risorius
- draws angle of mouth laterally
- Frontalis
- raises eyebrow
- Corrugator Supercilii
- wrinkles forehead vertically (raises eyebrows)
- Obicularis Oris
- draws lips together (puckers up)
- Depressor Anguli Oris
- pulls down angle of mouth
- Depressor Labii Inferioris
- draws lower lip downwards
- Mentalis
-
wrinkles skin of chin
raises and protrudes lower lip - Platysma
- draws corners of mouth down-pouting
- Occipitalis
- draws scalp back
- Auricularis Anterior
- auricular forward
- Auricularis Posterior
- auricular backward
- Auricularis Superior
- raise auricular
- Procerus
- draws down eyebrows
- Temporalis
- closes jaw (chewing)
- Masseter
- closes jaw (chewing)
- Medial Pterygoid
- Grates Teeth
- Lateral Pterygoid
-
protrudes jaw
mandible side to side - Stylohyoid
- Tongue up and back
- Digastric
-
lowers jaw
depresses hyoid bone - Mylohyoid
- elevates hyoid
- Hyglossus
- depresses/retracts tongue
- Geniohyoid
- hyoid forward
- Sternohyoid
- depresses hyoid
- Omohyoid
- depresses hyoid
- Thyrohyoid
- raises larynx
- Sternothyroid
- depresses thyroid cartilage (Adam's Apple)
- Semispinalis Capitis
- extends head, bends it laterally
- Splenius Capitis
-
extnds head
bends and rotates head toward same side as contracting muscle - Sternocleidomastoid
- flexes head, prayer muscle