Musculus pterygoideus lateralis

The video tutorial discusses the wing muscles, focusing on the teres videos lateralis muscle. It explains the origin, insertion, and function of these muscles, particularly in relation to jaw movement. The teres videos lateralis muscle, with its two heads, plays a crucial role in opening the jaw and facilitating movements like protrusion and lateral motion. The tutorial also highlights the nerve supply and the importance of these muscles in the chewing process.

Which group do the wing muscles belong to?

• Facial muscles

• Back muscles

• Chewing muscles

• Neck muscles

Where does the pars superior of the teres videos lateralis muscle originate?

• Articular discus

• Christa Infra Temporalis

• Consular process

• Lamina lateralis

What is the nerve supply for the teres videos lateralis muscle?

• Vagus nerve

• Hypoglossal nerve

• Mandibular nerve

• Facial nerve

What movement does the teres videos lateralis muscle primarily cause?

• Opening of the jaw

• Closing of the jaw

• Elevation of the jaw

• Side-to-side movement

What happens during the bilateral contraction of the teres videos lateralis muscle?

• Jaw retracts

• Jaw elevates

• Lower jaw advances

• Jaw closes