(exam 2) Lab assingment 8: label facial, mastification, and neck muscles
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58 Terms
1
epicranial aponeurosis
2
temporalis
3
occipito-frontalis (occipital portion)
4
masseter
5
sternocleidomastoid
6
depressor anguli oris
7
buccinator
8
orbicularis oris
9
zygomaticus minor
10
zygomaticus major
11
orbicularis oculi
12
corrugator supercilii
13
occipitofrontalis (frontal portion)
occipitalis
O: occipital INS: epicranial aponeurosis ACT: draw scalp backwards
frontalis
O: epicranial aponeurosis INS: eyebrows ACT: raise eyebrows
corrugator
O: frontal bone INS: skin of eyebrow ACT: wrinkle forehead (angry eyes)
orbicularis oculi
O: encircles eyelid ACT: closes eyes/winking
zygomaticus
cheekbone, zygomatic bone INS: mouth ACT: smile
orbicularis oris
O: encircles mouth ACT: draws lips together (kiss)
buccinator
O: maxillae INS: skin of sides of mouth ACT: sucking, playing trumpet
depressor anguli oris
O: mandible INS: angles of mouth ACT: frowning
levator labii superioris (1 side)
O: top lip ACT: snarl
depressor labii inferioris
O: bottom lip ACT: pouting muscle
nasalis
O: each side of nose ACT: scrunch nose
1
occipitofrontalis (frontal portion)
2
orbicularis oculi
3
orbicularis (palpebral portion)
4
depressor anguli oris
5
temporalis
6
corrugator supercilii
7
masseter
8
buccinator
9
orbicularis oris
10
epicranial aponeurosis
1
temporalis
2
masseter (cut)
3
buccinator
4
orbicularis oris
1
lateral pterygoid plate
2
lateral pterygoid muscle
3
medial pterygoid plate
4
medial pterygoid muscle
5
inferior oral cavity
masseter
O: zygomatic arch INS: mandible ACT: closing (elevating) jaw
temporalis
O: temporal bone INS: mandible ACT: closing (elevating) jaw
medial/lateral pterygoid
O: styloid processes INS: inside of mandible ACT: side to side (chewing)
glossus (tongue)
O: hyoid bone INS: tongue ACT: move tongue
1
semispinalis capitis
2
sternocleidomastoid
3
trapezius
4
ligamentum nuchae
5
splenius capitis
sternocleidomastoid (SCM)
O: sternum INS: clavicle and mastoid ACT: rotating, flexion, side bending of neck
capitus (semispinalis, splenius, longissimus)
O: next to spine INS: occipital ACT: cervicle extension
scalenes
O: cervical vertebrae INS: 1st rib ACT: flexion, laterally flex
trapezius (upper)
O: spine of scapula INS: occipital ACT: side bending, extension, elevation
external
voluntary
internal
voluntary
Note 
Flashcards (39)