Superficial Neck Muscles

Question 1

Sternocleidomastoid

Answer 1

Second superficial neck muscle.
Unilateral contraction: Same side lateral flexion, opposite side lateral rotation.
Bilateral contraction: Extension of the head and neck. Also helps with forced inspiration.

Question 1

Platysma

Answer 1

Most superficial. Expressive muscle.

Question 2

Scalene

Answer 2

Third superficial neck muscle. A surprise. Never seen it. Three parts, apparently focus on anterior.
Unilateral contraction: Same side lateral flexion.
Bilateral contraction: Elevation of ribs (forced breathing) and stabilization of cervical spine.