Sternohyoid

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The Sternohyoid is an anterior muscle of the neck.

Anatomical Attachments:

• Origin: Attaches to the posterior aspect of the manubrium, the posterior sternoclavicular ligament, and the clavicle.
• Insertion: Attaches to the inferior margin of the hyoid bone.

Action: Depresses the larynx and the hyoid bone, in addition to stabilization of the hyoid bone.

Nerve Supply: C1, C2, C3 via Ansa Cervicalis.

Vascular supply: Sternocleidomastoid and hyoid branches of the superior thyroid and the hyoid branch of the lingual artery.

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