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Muscles of Facial Expression Lecture #4 Head and Neck Anatomy H211.

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Presentation on theme: "Muscles of Facial Expression Lecture #4 Head and Neck Anatomy H211."— Presentation transcript:

1 Muscles of Facial Expression Lecture #4 Head and Neck Anatomy H211

2 Facial Muscles – Terminology “Levator...” - Raises “Depressor...” - lowers “Major” – the larger “Minor” – the smaller “Superioris” – superior “Inferiorioris” – inferior “Orbicularis” - encircles Table 4-2 pg. 100

3 Facial Muscles – Surprise Epicranial: Raises forehead, pulls scalp backward Fig 4-7

4 Facial Muscles – Surprise Epicranial: Raises forehead, pulls scalp backward Table 4-2 pg. 100

5 Facial Muscles – Closing Eyelid Orbicularis oculi: Closes eyelid Fig 4-9

6 Facial Muscles – Closing Eyelid Orbicularis oculi: Closes eyelid Table 4-2 pg. 100

7 Facial Muscles – Frowning Corrugator supercilii: Draws eyebrow medially Fig 4-9

8 Facial Muscles – Frowning Corrugator supercilii: Draws eyebrow medially Table 4-2 pg. 100

9 Facial Muscles – Closing Lips Orbicularis oris: Closes or purses lips Fig 4-10

10 Facial Muscles – Closing Lips Orbicularis oris: Closes or purses lips Table 4-2 pg. 100

11 Facial Muscles – Assist Chewing Buccinator: Moves “bolus” of food Table 4-2 pg. 100 Fig 4_11

12 Facial Muscles – Opening Risorius: Smile widely Table 4-2 pg. 100 Fig 4-12

13 Facial Muscles – Opening Risorius: Smile widely Table 4-2 pg. 100

14 Facial Muscles – Raising Upper Lip Levator labii superioris: Raises upper lip Table 4-2 pg. 100 Fig 4-13

15 Facial Muscles – Raising Upper Lip Levator labii superioris: Raises upper lip Table 4-2 pg. 100

16 Facial Muscles – Raising Upper Lip Levator labii superioris alaeque nasi: Raises upper lip and widens nostril Table 4-2 pg. 100 Fig 4-13

17 Facial Muscles – Raising Upper Lip Levator labii superioris alaeque nasi: Raises upper lip and widens nostril Table 4-2 pg. 100

18 Facial Muscles – Smiling Zygomaticus major: Draws cheek back and corner of mouth open Table 4-2 pg. 100 Fig 4-13

19 Facial Muscles – Smiling Zygomaticus major: Draws cheek back and corner of mouth open Table 4-2 pg. 100

20 Facial Muscles – Raising Upper Lip Zygomaticus minor: Raises upper lip Table 4-2 pg. 100 Fig 4-13

21 Facial Muscles – Raising Upper Lip Zygomaticus minor: Raises upper lip Table 4-2 pg. 100

22 Facial Muscles – Smiling Levator anguli oris: Raises angle of mouth Table 4-2 pg. 100 Fig 4-13

23 Facial Muscles – Smiling Levator anguli oris: Raises angle of mouth Table 4-2 pg. 100

24 Facial Muscles – Frowning Depressor anguli oris: Lowers angle of mouth Table 4-2 pg. 100 Fig 4-15

25 Facial Muscles – Frowning Depressor anguli oris: Lowers angle of mouth Table 4-2 pg. 100

26 Facial Muscles – Lowering Lower Lip Depressor labii inferioris: Lowers lower lip Table 4-2 pg. 100 Fig 4-15

27 Facial Muscles – Lowering Lower Lip Depressor labii inferioris: Lowers lower lip Table 4-2 pg. 100

28 Facial Muscles – Raising Chin Mentalis: Raises chin, protrudes lower lip, and Decreases depth of lower vestibule. Table 4-2 pg. 100 Fig 4-16

29 Facial Muscles – Raising Chin Mentalis: Raises chin, protrudes lower lip, and decreases depth of lower vestibule. Table 4-2 pg. 100

30 Facial Muscles – Grimacing Platysma: Raises skin of neck and lowers corner of mouth. Table 4-2 pg. 100 Fig 4-17

31 Facial Muscles – Grimacing Platysma: Raises skin of neck and lowers corner of mouth Table 4-2 pg. 100

32 The End


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