Facial Expressions

Question 1

What does fascial expressions enable us to do and where do they lie?

Answer 1

They enable us to express a wide variety of emotions and lie within the subcutaneous layer.

Question 2

True or false
Fascial muscles originate in the fascia or bones of the skull and insert into the skin. Because of their insertions, the muscles move the skin rather than a joint when they contract.

Answer 2

True

Question 3

What muscles open and close the eye?

Answer 3

Orbicularis oculi muscle closes the eye and the levator palpebrae superioris opens it.

Question 4

There is a fascial muscle made of two parts, and is held together by a strong sheet like tendon called the epicranial aponeurosis. What muscle is this and name the two belly’s and their location.

Answer 4

Occipitofrontalis
Anterior- frontal belly, superificial to frontal bone (frontalis)
Posterior- occipital belly, superficial to the occipital bone (occipitalis)

Question 5

Why is the muscle located on the major muscular portion of the cheek named buccinator? What’s it’s role?

Answer 5

Bucc = cheek and it compresses the cheeks.
Functions in whistling, blowing, sucking and assists In chewing

Question 6

What is Bell’s palsy also referred as and what is this disease?

Answer 6

Fascial paralysis is a unilateral paralysis of the muscles of fascial expression

Question 7

What nerve does Bell’s palsy damage? What are the possible causes of this disease?

Answer 7

Facial VII nerve. Caused by ear surgery that damages the facial nerve, or infection by the herpes simplex virus.