Answer:
Trapezius.
Step-by-step explanation:
- Trapezius is a trapezium shaped muscle present on the dorsal surface of the body.
- Trapezius stretches from the occipetal bone at the lower back of the cranium to the lower thoracic vertebrae.
- Its is laterally attached to the scapula of the pectoral girdle.
- This arrangement gives it a typical trapezium like shape.
- The main functions of trapezius is to assist the movement of scapula and support the arms.
- It also helps in movement of Spine