Muscle
Sternohyoid
Infrahyoid strap muscle
High-yield
Infrahyoid depressor of the hyoid; ansa cervicalis (C1-C3).
Overview
A thin infrahyoid strap muscle that depresses the hyoid bone after swallowing. Ansa cervicalis.
Reference facts
- Origin
- Manubrium and medial clavicle
- Insertion
- Body of the hyoid bone
- Action
- Depresses the hyoid bone after it has been elevated in swallowing
- Innervation
- Ansa cervicalis (C1, C2, C3)
- Blood supply
- Superior thyroid / lingual arteries
Frequently asked questions
What does the sternohyoid do?
The sternohyoid depresses the hyoid bone after it has been elevated in swallowing.
What nerve innervates the sternohyoid?
The sternohyoid is innervated by the ansa cervicalis (C1, C2, C3).
Where does the sternohyoid attach?
The sternohyoid originates from the manubrium and medial clavicle and inserts on the body of the hyoid bone.
What is the blood supply of the sternohyoid?
The sternohyoid is supplied by the superior thyroid / lingual arteries.