Sternohyoid

Infrahyoid strap muscle

Head & neckMuscular system

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

✚

Educational reference. This page summarizes standard anatomy study concepts. It is not medical advice and must not be used for diagnosis, treatment, surgical planning, or any clinical decision-making.

Your notes

Region

Head & neck — Skull, face, and neck — muscles of mastication and expression, and the cranial nerves.

All head & neck structures

Study this

Reinforce the Sternohyoid with flashcards and quiz practice.

Flashcards Quiz

Omohyoid

Infrahyoid strap muscle

Muscle

Sternocleidomastoid

Key neck landmark

Muscle

Platysma

Muscle of facial expression (neck)

Muscle

Anterior scalene

Key neck landmark

Muscle

Digastric

Two-bellied suprahyoid muscle

Muscle

Mylohyoid

Floor of the mouth

AnatomyDeck

210 structures · 680 flashcards · quizzes. A study reference for human gross anatomy.

AnatomyDeck is an educational study reference for human anatomy coursework. It is not medical advice and is not a tool for diagnosis, treatment, surgical planning, or any clinical decision-making. Always defer to your instructors, dissection materials, current references, and licensed professionals.