Musculus stylohyoideus

The video tutorial explains the suprahyoidal muscles, focusing on the styloid muscle. It covers the muscle's origin, attachment, and function, including its role in forming the mouth floor and aiding in chewing, speaking, and swallowing. The muscle's innervation by the facial nerve is also discussed, highlighting its contribution to tongue positioning and mouth opening.

What is the primary function of the suprahyoidal muscles?

• To support the nasal cavity

• To form the roof of the mouth

• To assist in breathing

• To form the floor of the mouth

Where does the origin of the styloid muscle lie?

• In the digastricus muscle

• In the corno maius

• In the temporal OS

• In the mandibula

Which nerve is responsible for the innervation of the styloid muscle?

• The fifth cranial nerve

• The seventh cranial nerve

• The ninth cranial nerve

• The tenth cranial nerve

What role do the suprahyoid muscles play in relation to the tongue leg?

• They rotate the tongue leg

• They lower the tongue leg

• They stabilize the tongue leg

• They lift the tongue leg

How do the suprahyoid muscles assist in mouth opening?

• By stabilizing the jaw

• By lifting the tongue leg

• By pulling the tongue leg forward

• By contracting the mandibula