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Facial Muscles – Terminology
• “Levator. . .” - Raises• “Depressor. . .” - lowers• “Major” – the larger• “Minor” – the smaller• “Superioris” – superior• “Inferiorioris” – inferior• “Orbicularis” - encircles
Table 4-2 pg. 100
Facial Muscles – Raising Upper Lip
• Levator labii superioris: Raises upper lip
Table 4-2 pg. 100
Fig 4-13
Facial Muscles – Raising Upper Lip
• Levator labii superioris alaeque nasi: Raises upper lip and widens nostril
Table 4-2 pg. 100
Fig 4-13
Facial Muscles – Raising Upper Lip
• Levator labii superioris alaeque nasi: Raises upper lip and widens nostril
Table 4-2 pg. 100
Facial Muscles – Smiling
• Zygomaticus major: Draws cheek back and corner of mouth open
Table 4-2 pg. 100
Fig 4-13
Facial Muscles – Smiling
• Zygomaticus major: Draws cheek back and corner of mouth open
Table 4-2 pg. 100
Facial Muscles – Lowering Lower Lip
• Depressor labii inferioris: Lowers lower lip
Table 4-2 pg. 100
Fig 4-15
Facial Muscles – Lowering Lower Lip
• Depressor labii inferioris: Lowers lower lip
Table 4-2 pg. 100
Facial Muscles – Raising Chin
• Mentalis: Raises chin, protrudes lower lip, and Decreases depth of lower vestibule.
Table 4-2 pg. 100
Fig 4-16
Facial Muscles – Raising Chin
• Mentalis: Raises chin, protrudes lower lip, and decreases depth of lower vestibule.
Table 4-2 pg. 100
Facial Muscles – Grimacing
• Platysma: Raises skin of neck and lowers corner of mouth.
Table 4-2 pg. 100
Fig 4-17
Facial Muscles – Grimacing
• Platysma: Raises skin of neck and lowers corner of mouth
Table 4-2 pg. 100