18 Questions
Which group of muscles are located inferiorly to the hyoid bone?
Infrahyoid muscles
How many muscle bellies is the omohyoid comprised of?
Two
Which muscle arises from the scapula and runs underneath the sternocleidomastoid muscle?
Omohyoid
To which bone does the superior belly of the omohyoid muscle attach?
Hyoid bone
What is the action of the sternohyoid muscle?
Depresses the hyoid bone
Which arteries supply the infrahyoid muscles?
Superior and inferior thyroid arteries
What innervates the omohyoid muscle?
Anterior rami of C1-C3, carried by a branch of the ansa cervicalis
Which muscle is wider and deeper than the sternohyoid?
Sternothyroid
What is the innervation of the sternothyroid muscle?
Anterior rami of C1-C3, carried by a branch of the ansa cervicalis
Which structure anchors the intermediate tendon of the omohyoid muscle to the clavicle?
Deep cervical fascia
Where does the superior belly of the omohyoid muscle attach?
Hyoid bone
Which arteries supply the arterial blood to the infrahyoid muscles?
Superior and inferior thyroid arteries
What is the action of the thyrohyoid muscle?
Elevates the hyoid bone
Which muscle in the infrahyoid group is wider and deeper than the sternohyoid?
Sternothyroid
What is the innervation of the omohyoid muscle?
Anterior rami of C1-C3, carried by a branch of the ansa cervicalis
Where does the intermediate tendon of the omohyoid muscle anchor?
Clavicle
Which arteries supply the arterial blood to the infrahyoid muscles?
Superior and inferior thyroid arteries
What is the action of the thyrohyoid muscle?
Elevates the larynx and depresses the hyoid bone
Test your knowledge on the anatomy of the infrahyoid muscles located inferiorly to the hyoid bone in the neck. Learn about the two groups of infrahyoid muscles, arterial supply, and venous drainage.
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