Head and Neck Muscles: Origin and Insertion

Question 1

Determine the ORIGIN of the following muscles.

1. galea Aponeurotica
2. lesser wing of the sphenoid bone
3. nasal bone & cartilages
4. lateral 2/3 of the superior nuchal line and external occipital protuberance
5. frontal bone just above the nose (lateral to glabella)

A. Levator palpebrae superioris
B. Corrugator supercilii
C. Occipitalis
D. Procerus
E. Frontalis

Answer 1

1. E
2. A
3. D
4. C
5. B

Question 2

Determine the ORIGIN of the following muscles.

1. Parotid fascia (superficial to masseter)
2. zygomatic bone (posterior to zygomatic-
   maxillary suture)
3. zygomatic bone (anterior to zygomatic-
   temporal suture)

A. Zygomaticus minor
B. Zygomaticus major
C. Risorius

Answer 2

1. C
2. B
3. A

Question 3

Determine the INSERTION of the following muscles.

1. Coronoid process of mandible
2. Angle of Mandible
3. Medial aspect of the angle of mandible
4. Joint capsule of the condylar process

A. Masseter
B. Medial/Internal Pterygoid
C. Lateral/ External Pterygoid
D. Temporalis
E. None

Answer 3

1. D
2. A
3. B
4. C

Question 4

Where does the temporalis muscle originate?

Answer 4

Temporal Fossa of Temporalis and Sphenoid

Question 5

Both the risorius and zygomaticus major inserts at the ____.

Answer 5

modiolus (near angle of mouth)

Question 6

Match the following origin of the orbicularis oculi.

1. Orbital portion
2. Palpebral portion
3. Lacrimal portion

A. orbital processes of the frontal bone
B. nasal processes of the frontal bone
C. palpebral ligament
D. lacrimal crest of the temporal bone
E. lacrimal crest of the lacrimal bone

Answer 6

1. B
2. C
3. E

Question 7

Fill in the blanks.

The superior head of the lateral pterygoid originates from the (1)_____, while the inferior head originated from the (2)______.

Answer 7

1. greater wing of sphenoid bone
2. lateral pterygoid plate

Question 8

Fill in the blanks.

The medial pterygoid originates in the (1)____ surface of the (2)_____ pterygoid plate.

Answer 8

1. medial
2. lateral

Question 9

Determine the ORIGIN of the following muscles.

1. frontal process of maxilla
2. below infraorbital foramen of maxilla
3. Incisive fossa of maxilla
4. medial inferior orbital margin of maxilla
5. maxilla and mandible (posterior alveolar process of
   both bones); pterygomandibular raphe

A. Levator labii superioris
B. Depressor septi nasi
C. Levator anguli oris
D. Buccinator
E. Levator labii superioris alaeque nasi

Answer 9

1. E
2. C
3. B
4. A
5. D

Question 10

Determine the INSERTION of the following muscles.

1. skin and fascia between eyebrows
2. skin, fascia & muscles of the upper lip
3. mandible & subcutaneous fascia
   of lower face
4. skin and fascia of chin
5. galea Aponeurotica

A. Zygomaticus minor
B. Platysma
C. Procerus
D. Occipitalis
E. Mentalis

Answer 10

1. C
2. A
3. B
4. E
5. D

Question 11

TRUE OR FALSE:

The transverse part of the nasalis muscle originates superior to canine alveolar process, while its alar part originates on the maxilla.

Answer 11

False.

These are interchanged.

Question 12

The following insertion corresponds to its respective muscle, EXCEPT:

A. Levator labii superioris alaeque nasi - Lateral slip: upper lip muscles
B. Levator labii superioris alaeque nasi - Medial slip: alar cartilage of nose
C. Depressor anguli oris - lateral aspect of mental tubercle of mandible

Answer 12

C. Depressor anguli oris - lateral aspect of mental tubercle of mandible

NOTE: This is its insertion.

Question 13

Where does the levator palpebrae superioris inserts?

Answer 13

skin and fascia of the upper eye lid

Question 14

TRUE OR FALSE: Just like the Depressor anguli oris and Levator anguli oris, the buccinator also inserts at the modiolus.

Answer 14

True

Question 15

The corrugator supercilii inserts on the ____.

A. frontal bone
B. galea Aponeurotica
C. skin of medial portion of eyebrows
D. skin of lateral portion of eyebrows
E. glabella

Answer 15

C. skin of medial portion of eyebrows

Question 16

The Depressor labii inferioris muscle originates on the mandible, specifically between (1)_____ and (2)_____.

Answer 16

1. symphysis
2. mental foramen

Question 17

TRUE OR FALSE: The insertion of the Depressor labii inferioris is at the skin and fascia of the lower lip

Answer 17

True

Question 18

Which muscle inserts at the septum and alar nose cartilage?

Answer 18

Depressor septi nasi

Question 19

Determine the insertion of the following muscles.

1. Levator labii superioris
2. Frontalis
3. Orbicularis oculi

A. skin and fascia above the nose and eyes
B. upper lip muscles
C. circumferentially around the orbit meeting
at the origin

Answer 19

1. B
2. A
3. C

Question 20

Where does the mentalis originates?

A. skin of chin
B. incisive fossa of mandible
C. modiolus

Answer 20

B. incisive fossa of mandible

Question 21

Nasalis muscle has its (1)____ part inserting at the opposite side nasalis over upper cartilage of nose and its (2)____ part over the alar cartilage of nose (nasal wing)

Answer 21

1. transverse
2. alar

Question 22

From origin to insertion, determine which corresponds to the orbicularis oris.

A. Modiolus / circumferentially around mouth; blends with other muscles
B. Circumferentially around mouth; blends with
other muscles / Modiolus
C. maxilla / skin and fascia of chin
D. skin and fascia of chin / maxilla

Answer 22

A. Modiolus / circumferentially around mouth; blends with other muscles

Question 23

The platysma originates from the ____.

Answer 23

subcutaneous fascia (over deltoid-pectoral region)

AKA: deep fascia over pectoralis major and deltoid

Question 24

Determine the origin of the masseter.

A. Temporal Bone
B. Mandibular condyle
C. Zygomatic Arch of Temporalis

Answer 24

C. Zygomatic Arch of Temporalis

Question 25

Determine the ORIGIN of the following muscles 1. Transverse process of third, fourth, fifth, and sixth cervical vertebrae 2. Transverse processes of upper six cervical vertebrae 3. Transverse processes of lower cervical vertebrae A. Scalenus Anterior B. Scalenus Medius C. Scalenus Posterior

Answer 25

1. A 2. B 3. C

Question 26

Determine the INSERTION of the following muscles 1. First rib 2. Second rib 3. Third rib A. Scalenus Anterior B. Scalenus Medius C. Scalenus Posterior D. BOTH A & B E. BOTH B & C F. ALL G. NONE

Answer 26

1. D 2. C 3. G

Question 27

Determine the INSERTION of the following muscles 1. Stylohyoid 2. Geniohyoid 3. Digastric Posterior belly 4. Sternohyoid 5. Digastric Anterior belly A. Body of hyoid bone B. Body of hyoid bone and fibrous raphe C. Intermediate tendon is held to hyoid by fascial sling

Answer 27

1. A 2. A 3. C 4. A 5. C

Question 28

Determine the INSERTION of the following muscles 1. Sternothyroid 2. Thyrohyoid 3. Sternocleidomastoid A. Mastoid process of temporal bone and occipital bone B. Oblique line on lamina of thyroid cartilage C. Lower border of body of hyoid bone

Answer 28

1. B 2. C 3. A

Question 29

TRUE OR FALSE: The superior belly of the omohyoid muscle originates at the upper margin of scapula and suprascapular ligament

Answer 29

False. This is the origin of the inferior belly.

Question 30

The SCM originates at the (1)___ and medial third of (2)____.

Answer 30

1. manubrium sterni 2. clavicle

Question 31

Determine which origin is incorrect. A. Digastric Anterior belly: body of mandible B. Digastric Posterior belly: mastoid process of temporal bone C. Geniohyoid: Superior mental spine of mandible D. Mylohyoid: Mylohyoid line of body of mandible E. Sternohyoid: Manubrium sterni and clavicle

Answer 31

C. Geniohyoid: Superior mental spine of mandible NOTE: It is at the inferior mental spine of mandible

Question 32

Determine the ORIGIN of the following muscles 1. Manubrium sterni 2. Inferior mental spine of mandible 3. Oblique line on lamina of thyroid cartilage A. Geniohyoid B. Thyrohyoid C. Sternothyroid

Answer 32

1. C 2. A 3. B

Question 33

TRUE OR FALSE: Both bellies of the omohyoid muscle (superior and inferior) has its intermediate tendon held to clavicle and first rib by fascial sling.

Answer 33

True.

Question 34

TRUE OR FALSE: The origin of the Stylohyoid muscle is the hyoid bone.

Answer 34

False NOTE: It originates at the styloid process

Question 35

The body of hyoid bone and fibrous raphe is the insertion of which neck muscle?

Answer 35

Mylohyoid