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21 Cards in this Set
- Front
- Back
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Occipitofrontalis
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O: Frontal belly: skin and fascia of eyebrows
Occipital belly: nuchal line I: epicranial aponeurosis A: Frontalis: protracts scalp Occipitalis: retracts scalp |
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Orbicularis Oris
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O: Medial maxilla, mandible, angle of mouth
I: Mucous membrane of lips A: Closure and protrusion of lips |
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Buccinator
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O: Maxilla and mandible
I: Lips A: Keeps cheeks taught, preventing folding during chewing |
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Platysma
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O: Subcutaneous tissue of supra and infraclavicular regions
I: Base of mandible, skin of cheek, angle of mouth and orbicularis oris A: Depression of mandible and corner of mouth, tenses skin of neck |
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Levator Anguli Oris
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O: Maxilla, inferior to infraorbital foramen
I: Angle of mouth, orbicularis oris fibers A: Lifts angle of mouth |
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Depressor Anguli Oris
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O: Mandible
I: Angle of mouth, orbicularis oris fibers A: Depresses angle of mouth |
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Zygomaticus Major
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O: Zygomatic bone (cheek)
I: Angle of mouth, orbicularis oris fibers A: Draws angle of mouth up and back |
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Zygomaticus Minor
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O: Zygomatic bone (cheek)
I: Angle of mouth, orbicularis oris fibers A: Draws angle of mouth up and back |
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Orbicularis Oculi
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O: Orbital margin and lacrimal bone
I: Skin around eye A: Palpebral (blinking) and orbital (forceful closing) |
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Temporalis
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O: Temporal fossa
I: Mandible, coronoid process and ramus A: Elevates and retrudes mandible, unilaterally deviates mandible laterally to same side |
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Masseter
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O: Zygomatic arch
I: Mandible, ramus A: Elevation and protrusion of mandible, unilaterally deviates mandible laterally to same side |
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Lateral Pterygoid
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O: Lateral pterygoid plate
I: Mandible and temporomandibular joint capsule A: Depresses and protracts mandible, unilaterally deviates mandible laterally to opposite side |
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Medial Pterygoid
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O: Lateral pterygoid plate
I: Medial ramus of mandible A: Elevation and protrusion of mandible |
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Sternocleidomastoid
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O: Sternum and clavicle
I: Mastoid process A: Unilateral: ipsilateral flexion, contralateral rotation Bilateral: Flexion of neck and extension of head |
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Scalenes (A,M,P)
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O: Transverse processes of cervical vertebrae
I: Ribs 1 & 2 A: Neck flexion and elevation of ribs 1&2, accessory muscle of inspiration |
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Suprahyoids
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Mylohyoid, digastric (anterior and posterior), stylohyoid, geniohyoid
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Infrahyoids
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Omohyoid, sternohyoid, sternothyroid, thyrohyoid
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Pharyngeal Contrictors (S,M,I)
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A: Constricts wall of pharynx during swallowing
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Stylopharyngeus
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A: Elevates and widens pharynx during swallowing
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Palatopharyngeus
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A: Elevates and widens pharynx during swallowing
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Salpingopharyngeus
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A: Elevates and widens pharynx during swallowing
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