Origin
Manubrium of the sternum.
Insertion
Thyroid cartilage
Blood supply
Superior and inferior thyroid arteries, thyroid IMA artery.
Nerve supply
Ansa cervicalis.
Action
It opens or depresses the larynx (the voice box).
Disease/Injury
NA
Muscle Exercise
Hold your hands behind your head and touch one of your ears to the corresponding shoulder. Hold for a few seconds and repeat on the other side.
Interesting facts
NA
