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16 Cards in this Set
- Front
- Back
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Occipitofrontalis |
action: raises eyebrows, wrinkles forehead Origin: two occipital bellies and two frontal bellies Insertion: galea aponeurotica Shape: fusiform |
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Orbicularis oculi |
Action: closes eyelid Origin: frontal bone, medial palpebral ligament, lacrimal bone Insertion: lateral palpebral raphe Shape: circular |
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Orbicularis oris |
Action: puckers lips Origin: maxilla and mandible Insertion: skin around the lips Shape: circular |
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Corrugator Supercilii |
ACtion: wrinkles forehead Origin: supraorbital ridge Insertion: forehead skin, near eyebrow Shape: fusiform |
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Nasalis |
Action: compresses bridge, depresses tip of nose, elevates corners of nostrils Origin: maxilla Insertion: Nasal Bone Shape: fusiform |
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Zygomaticus major |
Action: draws angle of mouth upward and laterally Origin: anterior of zygomatic Insertion: modiolus of mouth |
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Levator Palpebrae Superopros |
ACtion: retracts, elevates eyelid Origin: sphenoid bone Insertion: tarsal plate, upper eyelid Shape: fusiform |
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Levator Labii Superioris |
Action: elevates the upper lip Origin: medial infra-orbital margin Insertion: skin and muscle of the upper lip Shape:fusiform |
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Depressor Labii Inferioris |
action: depression of the lower lips Origin: oblique line of the mandible, between the symphysis and the mental foramen Insertion: integument of the lower lip, orbicularis oris fibers, its fellow of the opposite side shape: fusiform |
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Depressor anguli oris |
Action: depresses angle of mouth Origin: tubercle of mandible' Insertion: modiolus of mouth Shape:fusiform |
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Buccinator |
Action: compresses the cheeks against the teeth and is used in acts such as blowing, assistant muscle of mastication and in neonates it is used to suckle Origin: from the alveolar processes of the maxillary bone and mandible, temporomandibular joint Insertion: in the fibers of the orbicularis oris shape:fusiform |
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Mentalis |
ACtion: elevates and wrinkles skin of chin, protrodues lower lip Origin: anterior mandible Insertion: chin shape: fusiform |
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Masseter |
Action: elevation and protraction of mandible Origin: zygomatic arch and maxilla Insertion: coronoid process, ramus of mandible, cementromaxillary tendon and cementomandibular tendon shape: fusiform |
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Temporalis |
Action: elevation and retraction of mandible Origin: temporal lines on the parietal bone of the skull and the superior temporal surface of the sphenoid bone Insertion: coronoid process of the mandible shape: fusiform |
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Sternocleidomastoid |
Action: unilaterally: contralateral cervical rotation, ipsilateral cervical flexion, Bilaterally: cervical flexion, elevation of sternum and assists in forced inhalation Origin: manubrium and medial portion of the clavicle Insertion: mastoid process of the temporall bone, superior nuchal line shape: fusiform |
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Splenius capitus |
Action: extend, rotate, and laterally flex the head Origin: nuchal ligament and spinous process of C7-T3 Insertion: mastoid process of temporal and occipital bone shape: fusiform |
