Title: Identify the origin, insertion, action, and innervation of each head, neck, and trunk muscle.
Course: Physical/Occupational Therapy II (14060-II) > Section: Identifying Anatomy of the Head, Neck, and Trunk

Identification could include

- head
  - lateral pterygoid
  - masseter
  - medial pterygoid
  - temporalis

- face
  - frontalis
  - orbicularis oculi
  - zygomaticus major and minor
  - risorius
  - orbicularis oris
  - platysma
  - mentalis
  - buccinator
  - nasalis
  - corrugator supercilii

- neck
  - anterior scalene
  - middle scalene
  - posterior scalene
  - sternocleidomastoid

- abdomen
  - transversus abdominis
  - external obliques
  - internal obliques
  - rectus femoris

- trunk
  - splenius capitis and cervicis muscles
  - serratus posterior muscles
  - erector spinae muscles
  - transversospinalis muscles
  - interspinales muscles
  - intertransversarii muscles
  - obliquus capitis inferior
  - obliquus capitis superior
  - rectus capitis posterior major
  - rectus capitis posterior minor.

Process/Skill Questions:

- What is the origin of the masseter?
- What is the frown muscle?
- Which muscles extend the neck?
- What are the muscles of mastication?