MuscleInfrahyoid muscles

Sternohyoid

Latin: M. sternohyoideus

Location: Neck

View the sternohyoid in 3D

Origin

Posterior manubrium and sterno-clavicular ligament.

Insertion

Body of the hyoid.

Action

Depresses the hyoid after swallowing, steadying it for the suprahyoids.

Nerve supply

Ansa cervicalis (C1–C3).

Blood supply

Superior thyroid artery.

Clinical relevance

One of the infrahyoid 'strap' muscles retracted (or divided) to reach the thyroid gland during thyroidectomy.

Educational anatomy reference, not medical advice. About this content.