Head & Neck Muscles Flashcards
(108 cards)
1
Q
Buccinator attachments
A
Alveolar process of the maxilla
mandible
pterygoid hamulus
pterygomandibular raphe
2
Q
Buccinator funt.
A
Compress cheek
3
Q
Buccinator innervation
A
Baccal branch of facial n.
4
Q
Depressor annuli oris attach.
A
Mandible to buccal angle
5
Q
Depressor anguli oris function
A
Depress buccal angle laterally
6
Q
Depressor anguli oris innervation
A
Buccal and mandibular branch of facial n.
7
Q
Frontalis m. Attach.
A
Superficial fascia of eyebrows
epicranial aponeurosis
8
Q
Frontalis function
A
Protracts the scalp
Elevates eyebrows & nose
9
Q
Frontalis innervation
A
Temporal branch of facial n.
10
Q
Lavator labii superioris attachments
A
Inferior orbital margin
Lateral aspect of upper lip
11
Q
Lavatory labii superioris function
A
Raises & everts upper lip
12
Q
Levator labii superioris innervation
A
Buccal & zygomatic branches of facial n.
13
Q
Nasalis m. Attach.
A
Maxilla lateral & inferior
nasal notch
bridge & ala of the nose
14
Q
Nasalis m. function
A
Transverse fibers compress
Alar fibers widen the nasal aperture
15
Q
Nasalis m. innervation
A
Buccal branch of facial n.
16
Q
Orbicularis oculi attachments
A
Orbital margin & medial palpebral lig.
superficial fascia of the eyelid
17
Q
Orbicularis oculi function
A
A palpebral sphincter (closes eye)
18
Q
Orbicularis oculi innervation
A
Temporal & zygomatic branches of the facial n.
19
Q
Orbicularis oris attachments
A
Angle of the mouth
superficial fascia of the upper lip
20
Q
Orbicularis oris function
A
An oral sphincter (closes mouth)
21
Q
Orbicularis oris innervation
A
Buccal & mandibular branches of the facial n.
22
Q
Platysma attach
A
Lower boarder of the mandible
superficial fascia of the skin of neck overlying the clavicle
23
Q
Platysma function
A
Wrinkles the anterior nuchal skin
24
Q
Platysma innervation
A
Cervical branch of the facial n.
25
Zygomaticus major attachments
Zygomatic bone
| angle of mouth
26
Zygomaticus major function
Raises the buccal angle
27
Zygomaticus major innervation
Buccal & zygomatic branches of the facial n.
28
Inferior oblique innervation
Inferior ramus of the oculomotor n.
29
Inferior rectus innervation
Inferior ramus of the oculomotor n.
30
Levator palpebrae superioris innervation
Superior ramus of the oculomotor n.
31
Anterior digastric attach.
Digastric fossa of mandible to intermediate tendon
32
Anterior digastric function
Depression of mandible
Elevation of hyoid
33
Anterior digastric innervation
Mylohyoid branch of the inferior alveolar n. (CN V3)
34
Posterior digastric attach.
Temporal mastoid notch to intermediate tendon
35
Posterior digastric function
Depression of the mandible
Elevation of hyoid
36
Posterior digastric innervation
Facial n.
37
Gleniohyoid attach.
Inferior genial tubercle of mandible to anterior aspect of body of hyoid (median ridge of mandible to body of hyoid)
38
Geniohyoid function
Elevation of tongue and hyoid
Depression of mandible
39
Geniohyoid innervation
Ventral ramus of C1 via CN XII
40
Longus capitis attach.
Anterior tubercles of transverse processes of cervical vertebrae
basilar occipital bone
41
Longus capitis function
Flexion of head. & neck (bilaterally)
Ipsilateral rotation (unilateral)
42
Longus capitis innervation
Ventral rami of cervical spinal n. C1-3
43
Masseter attachments
Zygomatic arch to the angle of the mandible
| lateral aspect of ramus
44
Masseter function
Elevation, protraction, retraction (deep fibers) of mandible
45
Masseter innervation
Mandibular nerve (from trigeminal n.)
46
Temporalis attach.
Temporal fossa to coronoid process & anterior border of the ramus of mandible
47
Temporalis innervation
Mandibular nerve (from trigeminal n.)
48
Temporalis function
Elevation, retraction (post aspect of muscle) of mandible
49
Lateral pterygoid attachments
Infratemporal surface of the sphenoid
lateral surface of lateral pterygoid plate
neck of mandible
50
Lateral pterygoid function
Depresses mandible
Protracts
Acts with the ipsilateral medial pterygoid to rotate mandible (side to side motion)
51
Lateral pterygoid innervation
Mandibular nerve V3
52
Medial pterygoid attachments
Medial surface of lateral pterygoid plate
Medial aspect of angle of mandible
53
Medial pterygoid function
Elevation of mandible
| Acts with ipsilateral lateral pterygoid to rotate mandible (side to side chewing)
54
Medial pterygoid innervation
Mandibular nerve (from trigeminal n.)
55
Mylohyoid attach.
Mylohyoid line of mandible
Midline raphe
Ant. aspect of body of hyoid
56
Mylohyoid function
Elevation of floor of oral cavity
57
Mylohyoid innervation
Mylohyoid branch of inferior alveolar n. (CN V3)
58
Omohyoid attachments
Superior boarder of scapula medial to scapular notch
| Lateral aspect of the hyoid
59
Omohyoid function
Depress hyoid
60
Omohyoid innervation
Ansa cervicalis (c1-3)
61
Anterior scalene attachment
Anterior tubercles of middle cervical vertebrae
| Scalene tubercle of 1st rib
62
Anterior scalene function
Elevation of 1st rib (during forced inspiration)
| Flexion, lateral flexion, contra lateral rotation of neck
63
Anterior scalene innervation
Lower ventral rami of cervical spinal n.
64
Middle scalene attachments
Transverse process of cervical vertebrae
| 1st rib
65
Middle scalene function
Elevation of 1st rib (during forced inspiration)
| Lateral flexion, contra lateral rotation of neck
66
Middle scalene innervation
Lower ventral rami of cervical spinal n.
67
Posterior scalene attachments
Lower cervical transverse processes
| 2and rib
68
Posterior scalene function
Elevation of rib(during forced inspiration)
| Lateral flexion, contralateral rotation of neck
69
Posterior scalene innervation
Ventral rami of cervical spinal n.
70
Sternocleidomastoid attachments
Lateral aspect of mastoid process and superior nuchal line
Manubrium
Middle 1/3 clavicle
71
Sternocleidomastoid function
Flexion, ipsilateral lateral flexion, extension of head & neck
Contralateral rotation of head
72
Sternocleidomastoid innervation
Accessory n. and C1, 2
73
Sternohyoid attach
Posterior side of proximal clavicle and adjacent manubrium
| Inferior boarder of hyoid body
74
Sternohyoid function
Depress hyoid
75
Sternohyoid innervation
Ansa cervicalis (C1-3)
76
Sternothyroid attachments
Posterior aspect of manubrium and costal cartilage 1st rib
| Thyroid lamina
77
Sternothyroid funct
Depression of elevated larynx
78
Strenothyroid innervation
Ansa cervicalis (C1-3)
79
Stylohyoid attachments
Styloid process of temporal bone
| Greater Cornu of hyoid bone
80
Stylothyroid innervation
Facial n.
81
Thyrohyoid attachments
Thyroid lamina
| Greater horn of hyoid bone
82
Thyrohyoid function
Depression of hyoid
| Elevation of thyroid cartilage
83
Thyrohyoid innervation
Ventral ramus of C1 via XII
84
Medial rectus innervation
Inferior ramus of oculomotor n.
85
Superior rectus innervation
Superior ramus of oculomotor n.
86
Lateral rectus innervation
Abducens n.
87
Superior oblique innervation
Trochlear n.
88
Longus colli attach
Cervical vertebral bodies
Transverse processes of cervical vertebrae
89
Longus colli funct
Flex
Lat flex
Ipsilateral rotation of neck
90
Longus colli innervation
Ventral rami of cervical spinal n.
91
Splenius capitis attach
Ligamentum nuchae & lower cervical & upper thoracic spinous processes to the lateral third of the superior nuchal line
92
Splenius capitis funct
Extension
lateral flex
Ipsilateral rotation of head
93
Splenius capitis innervation
Dorals rami of cervical spinal n.
94
Longissimus capitis attachments
Upper thoracic transverse processes
| Posterior margin of mastoid process
95
Longissimus capitis actions
Extension
Lat flex
Ipsilateral rotation of the head
96
Longissimus capitis innervation
Dorsal rami of spinal n.
97
Semispinalisis capitis attach
Upper thoracic and cervical transverse processes to occipital bone (between sup and inf nuchal lines)
98
Semispinalis capitis funct
Ext
| Contralateral rotation of head
99
Semispinalis capitis innervation
Dorsal rami of cervical spinal n.
100
Rectus capitis posterior attach
Major: Spinous process C2 to Lateral aspect inferior nuchal line
Minor: Tubercle of posterior arch C1 to medical inf nuchal line
101
Rectus capitis posterior actions
Major: Ext, Ipsilateral rotation
Minor: Ext
102
Rectus capitis posterior innervation
Suboccipital nerve
103
Inferior oblique (Obliquus capitis inferior) attach
Spinous process of C2 to transverse process C1
104
Inferior oblique action
Ipsilateral rotation
105
Inferior oblique innervation
Suboccipital n.
106
Superior oblique (obliquus capitis superior) attach
Transverse process C1 to area between Sup and Inf nuchal lines
107
Superior oblique action
Ext
| Lateral flex head
108
Superior oblique innervation
Suboccipital n.
