Question

multiple select question
select all that apply
functions of the trapezius muscle include _.
extension of the head and neck
lateral flexion of the vertebral column
movement of the pectoral girdle

Explanation:

The trapezius muscle helps in the extension of the head and neck as well as movement of the pectoral girdle. Lateral flexion of the vertebral column is not its main function.

Answer:

A. extension of the head and neck
C. movement of the pectoral girdle