Answer:
Sternothyroideus (or sternothyroid muscle)
Step-by-step explanation:
Sternothyroideus is a muscle present in neck of the human body. The muscle is shorter as well as wider than sternohyoideus. It is situated beneath sternohyoideus.
This muscle arises from posterior surface of the manubrium of sternum as well as from edge of cartilage of first rib or sometimes that of second rib. It is inserted into oblique line on lamina of thyroid cartilage.