Superficial Neck Muscles

Question 1

Platysma

Answer 1

O: Fascia of Pectoralis Major and Deltoid

I: Inferior Mandible, Facial Skin

Inn: Facial N.

BS: Facial A.

A: Frown, elevate neck skin

Question 2

Sternocleidomastoid

Answer 2

O: Manubrium of Sternum, Clavicle

I: Mastoid process, Superior Nuchal Line

Inn: Spinal Accesory N.

BS: Transverse Cervical A.

A: Extend head, Ipsilateral flex, Contralateral Rotate head/neck