Question

multiple choice question the muscle labeled \a\ in the image is: deltoid latissimus dorsi platysma trapezius

Explanation:

The deltoid is the shoulder - cap muscle. The latissimus dorsi is a large back muscle. The platysma is a neck and upper - chest muscle. The trapezius is a large muscle in the upper back and neck area. Based on the location of the muscle labeled "A" which is on the shoulder, it is the deltoid.

Answer:

A. deltoid