Chapter 10 - Axial Musculature Facial Expression Upper Lip...

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Axial Musculature Facial Expression Upper Lip Origin Insertion Action Nerve Levator Labii Superioris Ala Que Nasi Frontal process of Maxilla Medial aspect of upper lip Elevates lip close to wing of nose Facial VII Levator Labii Superioris Frontal process of Maxilla Upper lip Elevate upper lip Facial VII Zigomaticus minor & major Zygomatic bone Upper lip Elevate upper lip (smile) Facial VII Lower Lip Mentallis Mandible Lower lip Elevates; protrudes lower lip Facial VII Depressor Labii Inferioris Mandible Lower lip Depresses lower lip Facial VII Depressor Anguli Mandible Angle of mouth Depresses angle of mouth Facial VII Risorius Fascia Parotid Salivary Gland Angle of mouth Simple smile Facial VII Buccinator Alveolar processes of Maxilla and Mandible (teeth) Fibers of Orbicularis Oris Compresses cheeks (whistle) Facial VII Orbicularis Oris Maxilla and Mandible Lips Compresses;purses lips Facial VII
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Axial Musculature (kiss) Eye Origin Insertion Action Nerve Orbicularis Oculi Medial margin of orbit Skin around eyelids Closes eye Facial VII Corrugator Supercilli Medial Eyebrows Brings eyebrows together Facial VII Levator Palpebrae Superioris Sphenoid around optic canal Upper eyelid Elevates upper eyelid Oculomotor III Nose Origin Insertion Action Nerve Nasalis (two parts) Maxilla; alar cartilage of nose Bridge of nose Compresses (transverse part) flares nostrils (alar part) Facial VII Procerus Glabella Bridge of nose Moves nose, shapes nostrils Facial VII Scalp
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Axial Musculature Origin Insertion Action Nerve Frontal belly epicranium (2) Aponeurosis Skin above eyebrows Raises eyebrows; wrinkles forehead Facial VII Occipital belly epicranium (2) Nuchal lines of occipital bone Aponeurosis Tenses; retracts scalp Facial VII Temporoparietalis Fascia around external ear Aponeurosis Tenses scalp; moves ear Facial VII Neck Origin Insertion
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This note was uploaded on 02/01/2011 for the course ANAT 1 taught by Professor Dell during the Fall '10 term at Santa Monica.

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Chapter 10 - Axial Musculature Facial Expression Upper Lip...

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