Musculus sternohyoideus

The video tutorial explains the infra hyoid muscles, focusing on the sternohyoid muscle. It covers the origin, attachment, and function of these muscles, which are crucial for the positioning of the tongue leg and play a role in swallowing and larynx movement. The innervation of these muscles is also discussed, highlighting their connection to the cervical plexus.

Which of the following is NOT one of the infra hyoid muscles?

• Sternohyoid

• Sternocleidomastoid

• Thyrohyoid

• Omohyoid

Where does the sternohyoid muscle originate?

• On the dorsal side of the manubrium sterni

• On the thyroid cartilage

• On the clavicle

• On the scapula

What is the primary function of the sternohyoid muscle?

• To elevate the tongue

• To depress the tongue leg

• To rotate the head

• To flex the neck

Which spinal cord segments are involved in the innervation of the sternohyoid muscle?

• C1 to C3

• C4 to C6

• C7 to T1

• T2 to T4

What role do the infra hyoid muscles play in swallowing?

• They constrict the pharynx

• They open the esophagus

• They elevate the larynx

• They depress the tongue leg