Occipitofrontalis- Occipital Belly Action - answer✔✔tenses and retracts scalp
Occipitofrontalis- Occipital Belly O&I - answer✔✔Origin- superior nuchal line and adjacent
region of mastoid portion of the temporal bone
Insertion- Epicranial aponeurosis
Temporoparietalis action - answer✔✔tenses scalp, moves auricle of ear
Temporoparietalis Origin&Insertion - answer✔✔Origin- Fascia around external ear
Insertion- Epicranial aponeurosis
Platysma Action - answer✔✔Tenses skin of neck, depresses mandible
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