Identify the anterior muscles of the head.

a

b

c

d

e

Orbicularis oris

Epicranius (frontalis belly)

Sternocleidomastoid

Orbicularis oculi

Masseter

Platysma

Galea aponeurotica

Label the muscles of the head.

a

b

c

d

e

f

Zygomaticus major

Platysma

Occipitalis

Temporalis

Frontalis

Zygomaticus minor

Label the muscles on the lateral view of a cadaver.

a

b

c

d

e

f

Temporalis

Galea aponeurotica

Masseter

Frontalis

Zygomaticus major

Platysma

Label the facial muscles visible on the cadaver.

a

b

c

d

e

Occipitalis

Trapezius

Orbicularis oris

Orbicularis oculi

Sternocleidomastoid

When the ​ ​ (a)   contracts, the corner of the mouth is drawn upward and laterally when laughing.

The ​ (b)   acts to compress the wall of the cheeks when air is blown out of the mouth.

The ​ (c)   causes the lips to close and pucker during kissing, whistling, and speaking.

The temporalis acts to ​ (d)   .

• zygomatic major
• buccinator
• orbicularis oris
• elevate the mandible
• orbicularis oculi
• depress the manible
• hyoid
• elevate the hyoid
• masseter

The (a)   can close the eye, as in blinking.

The (b)   can pull the head toward the chest.

The muscle used for pouting and to express horror is the (c)   .

The (d)   raises the eyebrows and moves the scalp.

• orbicularis oculi
• hyoid
• masseter
• sternocleidomastoid
• platysma
• epicranius
• zygomaticus major

The name of the muscle is given. Identify origin, insertion and image of the muscle.

Groups:

(a) Masseter

,

(b) Platysma

,

(c) Orbicularis Oculi

• 
• I: skin around eye

• I: lateral surface of the mandible

• O: frontal and maxillary bones.

• 
• I: lower border of mandible and skin around corner of mouth

• 
• O: zygomatic arch

• O: fascia in upper chest

The name of the muscle is given. Identify origin, insertion and image of the muscle.

Groups:

(a) Sternothyroid

,

(b) Buccinator

,

(c) Stylohyoid

• I: thyroid cartilage of larynx

• O: styloid process

• I: hyoid bone

• O: lateral surfaces of maxilla and mandible

• 
• O: manubrium of sternum

• I: orbicularis oris

• 
• 

The name of the muscle is given. Identify origin, insertion and image of the muscle.

Groups:

(a) Sternocleidomastoid

,

(b) Temporalis

,

(c) Sternohyoid

• 
• O: temporal bone

• I: hyoid bone

• 
• I: mastoid process

• 
• O: medial clavicle and manubrium

• I: coronoid process and anterior ramus of mandible

• O: manubrium of sternum and medial clavicle

The rising of the eye brows is the action of what muscle?

• epicranius

• frontalis

• orbicularis oculi

• orbicularis oris