What is the primary function of the Superior Trapezius? a. Push shoulder down

b. Shrug shoulders

c. Pull back the scapula

d. All of the above

The trapezius muscle is a postural and active movement muscle, used to tilt and turn the head and neck, shrug, steady the shoulders, and twist the arms. The trapezius elevates, depresses, rotates, and retracts the scapula, or shoulder blade.

Explanation:

I know this because i asked my dad and he is an ER doctor.

the right answer is: time