Sternothyroid
Neck
Deep muscle — it lies under other muscles. X-ray makes the muscles over it see-through.
- Origin
- Back of the manubrium of the sternum and the first costal cartilage
- Insertion
- Oblique line of the thyroid cartilage
- Action
- Lowers the larynx (thyroid cartilage)
- Nerve supply
- Ansa cervicalis (C1–C3)
A strap muscle lying under the sternohyoid. It pulls the larynx down after it has been raised in swallowing or voice production.
Sternothyroid anatomy page →