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Clinical Anatomy > Head and Neck Muscle Quiz > Flashcards

Head and Neck Muscle Quiz Flashcards

1
Q

Platysma

A

O: inf border of mandible, skin, and subcutaneous tissues of lower face
I: fascia covering superior parts of pectoralis major and deltoid muscles
Inn: Facial nerve (CN7)
A: draws corners of mouth inferiorly and widen it as in expressions of sadness and fright, draws skin of neck superiorly when teeth are clenched
Blood:

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2
Q

Sternocleidomastoid

A

O: manubrium, proximal clavicle
I: mastoid process, temporal bone
Inn: Accessory (CN11)
A: rotate head to opposite side, flex neck, extends head
B: superior thyroid, external carotid
V: external jugular

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3
Q

Mylohyoid

A

O: mylohyoid line of mandible
I: mylohyoid raphe and body of hyoid
Inn: mandibular (CNV3) specifically inf alveolar n.
A: elevate hyoid, floor of mouth, and tongue during swallowing and speaking
B: mylohyoid (branch of inf alveolar artery)

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4
Q

Geniohyoid

A

O: inf mental spine of mandible
I: body of hyoid
Inn: C1 via hypoglossal (CN12) and nerve to geniohyoid
A: pulls hyoid anterosuperiorly, shorten floor of mouth, widen pharynx
B: sublingual branch of lingual artery

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5
Q

Stylohyoid

A

O: Stylohyoid process of temporal bone
I: body of hyoid
Inn: stylohyoid branch of facial nerve
A: elevate and retract hyoid, elongate floor of mouth
B: branches of facial, occipital, and posterior auricular (all from Ext. carotid)

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6
Q

Digastric (anterior belly)

A

O: digastric fossa of mandible
I: intermediate tendon to body and greater horn of hyoid
Inn: nerve to mylohyoid, branch of inferior alveolar
A: work with infrahyoid m. depress mandible against resistance, elevate and steady hyoid during swallowing and speaking
B: submental from facial

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7
Q

Digastric (posterior belly)

A

O: mastoid notch of temporal bone
I: intermediate tendon to body and greater horn of hyoid
Inn: digastric branch of facial (CN7)
A: work with infrahyoid m. depress mandible against resistance, elevate and steady hyoid during swallowing and speaking
B: post. auricular and occipital

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8
Q

Sternohyoid

A

O: manubrium of sternum and medial end of clavicle
I: body of hyoid
Inn: C1-C3 branch of ansa cervicalis
A: depress hyoid after elevation during swallowing
B: superior thyroid A/V

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9
Q

Omohyoid

A

O: superior border of scapula near suprascapular notch
I: inferior border of hyoid
Inn: C1-C3 of ansa cervicalis
A: depress, retract, and steady hyoid
B: superior and inf thyroid

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10
Q

Sternothyroid

A

O: posterior surface of manubrium of sternum
I: oblique line of thyroid cartilage
Inn: C2-C3 branch of ansa cervicalis
A: depress hyoid and larynx
B: lingual and sup thyroid

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11
Q

Thyrohyoid

A

O: oblique line of thyroid cartilage
I: inf border of body and greater horn of hyoid
Inn: C1 via hypoglossal (CN12) and nerve to thryohyoid
A: depress hyoid and elevate larynx
B: superior thyroid

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12
Q

Occipitofrontalis (front belly)

A

O: Epicranial aponeurosis
I: skin and subcutaneous tissue of eyebrows and forehead
Inn: facial (CN 7)
A: elevate eyebrow and wrinkles skin of forehead, protract scalp
B: occipital A/V

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13
Q

Occipitofrontalis (occipital belly)

A

O: lateral 2/3 of sup nuchal line
I: epicranial aponeurosis
Inn: facial (CN 7)
A: retract scalp, increase effectiveness of frontal belly

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14
Q

Orbicularis Oculi

A

O: medial orbital margin, medial palpebral ligament, lacrimal bone
I: skin around margin of orbit, sup and inf tarsal plates
Inn: facial (temporal and zygomatic)
A: closes eyelids

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15
Q

Corrugator supercilii

A

O: medial end of superciliary arch
I: skin sup to middle of supra-orbital margin and superciliary arch
Inn: facial
A: draw eyebrow medially and inf, create vertical wrinkles above nose
B: sup temporal from opthalmic

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16
Q

Proceris and transverse part of nasalis

A

O: fascia aponeurosis covering nasal bone and lateral nasal cartilage
I: skin inf forhead, between eyebrows
Inn: facial (temporal)
A: depress medial end of eyebrow, wrinkles skin over dorsum of nose
B: facial

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17
Q

alar part of nasalis plus levator labii superiosis alaeque nasi

A

O: frontal process of maxilla
I: major alar cartilage, lat skin of upper lip
Inn: facial
A: depress ala lat, dilating ant nasal aperture, help to elevate upper lip
B: facial and maxillary

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18
Q

orbicularis oris

A

O: madial maxilla and mandible, deep surface of peri-oral skin, angle of mouth
I: mucous membrane of lips
Inn: buccal and mandibular (facial)
A: tonus closes oral fissure, phasic contraction compresses and protrudes lips (kissing) or resist distension (when blowing)

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19
Q

levator labii superiosis

A

O: infra-orbital margin (maxilla)
I: skin of upper lip
Inn: zygomatic and buccal (facial)
A: part of dilators of mouth, retract (elevate) and evert upper lip, deepen nasolabial sulcus (shows sadness)

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20
Q

zygomaticus major

A

O: lateral zygomatic bone
I: angle of mouth
Inn: zygomatic and buccal (facial)
A: dilator of mouth, elevate labial commissure to smile, one side at a time to sneer

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21
Q

zygomaticus minor

A

O: anterior zygomatic bone
I: skin of upper lip
Inn: facial
A: dilator of mouth, retract and evert upper lip, deepen nasolabial sulcus

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22
Q

buccinator

A

O: mandible, alveolar process of maxilla and mandible, pterygomandibular raphe
I: angle of mouth, orbicularis oris
Inn: buccal (facial)
A: press cheek against molars, work with tongue to keep food out of oral vestibule, resists distension

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23
Q

levator anguli oris

A

O: infra-orbital maxilla (canine fossa)
I: angle of mouth
Inn: zygomatic and buccal (facial)
A: dilator of mouth, widen oral fissure, when grinning or grimacing

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24
Q

risorius

A

O: parotid fascia and buccal skin
I: angle of mouth
Inn: buccal (facial)
A: dilator of mouth, depress labial commissure bilat to frown

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25
depressor anguli oris
O: anterolateral base of mandible I: angle of mouth Inn: mandibular and buccal (facial) A: dilator of mouth, depress labial commissure bilat to frown
26
depressor labii inferioris
O: platysma and anterolateral body of mandible I: skin of lower lip Inn: mandibular (facial) A: dilator of mouth, retract and evert lower lip (pout, sadness)
27
mentalis
O: body of mandible I: skin of chin (mentolabial sulcus) Inn: mandibular (facial) A: elevate and protrude lower lip, elevate skin of chin (show doubt)
28
levator palebrae superioris
O: lesser wing of sphenoid bone, sup and ant to optic canal I: sup tarsus and skin of sup eyelid Inn: Oculomotor nerve (CN 3), deep supplied by sympathetic fibers A: elevate superior eyelid
29
superior oblique
O: body of sphenoid bone I: sclera deep to sup rectus muscle Inn: trochlear nerve (CN 4) A: abduct, depress, and medially rotate eyeball
30
inferior oblique
O: anterior floor of orbit I: sclera deep to lateral rectus m Inn: oculomotor (CN 3) A: abduct, elevate, and laterally rotate eyeball
31
superior rectus
O: common tendinous ring I: sclera post to corneoscleral junction Inn: oculomotor (CN3) A: elevate, adduct, and rotate eyeball medially
32
inferior rectus
O: common tendinous ring I: sclera post to corneoscleral junction Inn: oculomotor (CN3) A: depress, adduct, and rotate eyeball laterally
33
medial rectus
O: common tendinous ring I: sclera post to corneoscleral junction Inn: Oculomotor (CN3) A: adduct eyeball
34
lateral rectus
O: common tendinous ring I: sclera post to corneoscleral junction Inn: abducent (CN6) A: abducts eyeball
35
temporalis
O: floor of temporal fossa and deep surface of temporal fascia I: tip and medial surface of coronoid process and ant border of ramus of mandible Inn: mandibular (CN V3) A: elevate mandible, close jaw, retract mandible B: maxillary
36
masseter
O: inf border and medial surface of maxillary process of zygomatic bone and arch I: angle and lat surface of ramus of mandible Inn: mandibular (CN V3) A: elevate mandible, close jaw, weak protrusion of mandible B: maxillary
37
lateral pterygoid
O: infratemporal surface and crest of greater wing of sphenoid and lat pterygoid plate I: joint capsule and articular disc of TMJ, pterygoid fovea on anteromedial neck of condyloid process of mandible Inn: Mandibular (CN V3) A: protract mandible and depress chin, swing jaw to one side, chewing movements B: maxillary
38
medial pterygoid
O: medial surface of lateral pterygoid plate and pyramidal process of palatine bone and tuberosity of maxilla I: medial surface of ramus of mandible, inf to mandibular foramen Inn: mandibular (CN V3) A: acts with masseter to elevate mandible, contribute to protrusion, smaller grinding movements B: maxillary
39
tensor veli palatini
O: scaphoid fossa of medial pterygoid plate, spine of sphenoid bone and cartilage of pharyngotympanic tube I: palatine aponeurosis Inn: mandibular (CN V3) A: tenses soft palate and open mouth of pharyngotympanic tube during swallowing and yawning B: maxillary and facial
40
levator veli palatini
O: cartilage of pharyngotympanic tube and petrous part of temporal bone I: palatine aponeurosis Inn: Vagus (CN 10) pharyngeal plexus A: elevate soft palate during swallowing and yawning B: ascending pharyngeal and ascending palatine
41
palatoglossus
O: palatine aponeurosis I: side of tongue Inn: Vagus (CN 10) pharyngeal plexus A: elevate post tongue and draw soft palate onto tongue B: lingual
42
plataopharyngeus
O: hard palate and palatine aponeurosis I: lateral wall of pharynx Inn: Vagus (CN 10) pharyngeal plexus A: tense soft palate and pull walls of pharynx sup, ant, and medially during swallowing B: ascending pharyngeal
43
musculus uvulae
O: post nasal spine and palatine aponeurosis I: mucosa of uvula Inn: Vagus (CN 10) pharyngeal plexus A: shorten uvula and pull it sup
44
genioglossus
O: sup mental spine of mandible I: entire dorsum of tongue, body of hyoid A: depress tongue, mainly middle to create longitudinal furrow, pulls tongue ant for protrusion, retract apex of protruded tongue B: lingual
45
hyoglossus
O: body and greater horn of hyoid I: inf lateral tongue A: depress tongue, pulls side inf, helps retrude tongue B: sublingual and submental (lingual and facial)
46
styloglossus
O: ant border of distal styloid process, stylohyoid ligament I: sides of tongue post A: retrude tongue and curl its sides, work with genioglossus to form central tough during swallowing B: sublingual
47
superior longitudinal
O: submucosal layer and median fibrous septum I: margin of tongue and mucous membrane A: curl tongue longitudinally upward, elevating apex and sides, shortens it
48
inferior longitudinal
O: root of tongue and body of hyoid I: apex of tongue A: curl tongue longitudinally downward, depress apex, shorten
49
transverse tongue
O: median fibrous septum I: fibrous tissue at lateral lingual margins A: narrows and elongate
50
vertical (tongue)
O: submucosal layer of dorsum I: inf surface of borders A: flattens and broadens
51
Cricothyroid
O: front of cricoid cartilage I: inf margin and inf horn of thyroid cartilage Inn: external laryngeal CN10 A: stretches and tenses vocal ligament B: cricothryroid (sup thyroid)
52
thyroarytenoid
O: posterior angle of thyroid laminae and cricothyroid ligament I: front arytenoid surface Inn: inf laryngeal from CN 10) A: relaxes vocal ligament B: sup and inf thyroid
53
posterior cricoarytenoid
O: back side of lamina of cricoid cartilage I: muscular process of arytenoid cartilage Inn: inf laryngeal (CN10) A: abduct vocal folds B: sup and inf thyroid
54
lateral cricoarytenoid
O: arch of cricoid cartilage I: muscular process of arytenoid cartilage Inn: inf laryngeal (CN10) A: adduct vocal fold B: sup and inf thyroid
55
transverse and oblique arytenoids
O: one arytenoid cartilage I: contralateral arytenoid cartilage Inn: inf laryngeal (CN10) A: adduct arytenoid cartilages B: sup and inf thyroid
56
vocalis
O: lateral surface of vocal process of arytenoid cartilage I: same side vocal ligament Inn: inf laryngeal (10) A: relax post vocal ligament while maintaining tension of anterior part B: sup and inf thyroid
57
superior pharyngeal constrictor
O: pterygoid, hamulus, pterygomandibular raphe, post end of mylohyoid line of mandible and side of tongue I: pharyngeal tubercle on basilar of occipital bone Inn: pharyngeal branch of Vagus (CN 10) and pharyngeal plexus A: constrict walls of pharynx during swallowing B: ascending pharyngeal
58
middle pharyngeal constrictor
O: stylohyoid ligament and greater and lesser horns of hyoid I: Pharyngeal raphe Inn: vagus (CN 10) and pharyngeal plexus A: constrict walls of pharynx during swallowing B: ascending pharyngeal
59
inferior pharyngeal constrictor
O: oblique line of thyroid cartilage and side of circoid cartilage I: cricopharyngeal encircles pharyngoesophageal junction without forming a raphe Inn: Vagus (CN 10) and pharyngeal plexus A: constrict walls of pharynx during swallowing B: ascending thyroid and inf thyroid
60
salpingopharyngeus
O: cartilaginous part of pharyngotympanic tube I: blends with palatopharyngeus Inn: vagus (10) and pharyngeal plexus A: elevate pharynx and larynx during swallowing and speaking B: ascending pharyngeal
61
stylopharyngeus
O: styloid process of temporal bone I: post and sup borders of thyroid cartilage with palatopharyngeus Inn: glossopharyngeal (CN 9) A: elevate pharynx and larynx during swallowing and speaking B: ascending pharyngeal

Clinical Anatomy (6 decks)

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