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Sternohyoid
Other Terms:
Musculus sternohyoideus,
Muscle sterno-hyoïdien
Muscle parts
None
Latin name
Musculus sternohyoideus
Latin muscle parts
None
Group
Cervical wall – ventral muscle (Infrahyoid muscle)
Etymology
The English name for this muscle is the muscle of the chest and the hyoid bone. The term sterno comes from the Latin word sternon meaning “breast or chest” and the term hyoid comes from its resemblance to the Greek letter upsilon (u), which is aspirated as hy. This is combined with the suffix eidos meaning “shape or form.”
Origin
Posterior aspect of the sternal end of the clavicle and the superior and posterior surface of the manubrium of the sternum
Insertion
Inferior margin of the hyoid bone
Action
Depresses the hyoid bone.
Nerve supply
Ventral rami via the ansa cervicalis (C1, C2, and C3)
Blood supply
Thyroid ima artery, a variable branch of the brachiocephalic artery (but may also arise from the aorta, right common carotid, or subclavian arteries), infrahyoid artery from the superior thyroid, suprahyoid branch of the lingual artery, inferior thyroid artery from the thyrocervical trunk of the subclavian artery
Latin
Musculus sternohyoideus
French
Muscle sterno-hyoïdien
