Head/Neck Muscles and fucntions

What is this muscle

Buccinator

What is this muscle

Frontalis/Frontal Belly of the Occipitofrontalis

What is this muscle

Occipital belly of the occipitofrontalis

What is this muscle

Orbicularis oculi

What is this muscle

Orbicularis oris

What is this muscle

Platysma

What is this muscle

Temporalis

What is this muscle

Masseter

What is this muscle

Genioglossus

What is this muscle (above purple)

Hyoglossus

What is this muscle (skinny on top)

Styloglossus

What is this muscle

Sternocleidomastoid

What is this muscle

Suprahyoid

What is this muscle

Infrahyoid

What is this muscle

Erector spinae

What is the most lateral of the erector spinae

Iliocostalis

What is the most medial of the erector spinae

Longissimus

What is the middle of the erector spinae

Spinalis

What is this muscle

Splenis capitus

What is this muscle

External intercostals

What is this muscle

Internal intercostals

What is this muscle

Scalenes

What is this muscle

Thoracic diaphragm

What is this muscle

Rectus abdominis

What is this muscle

External oblique

What is this muscle

Internal oblique

What is this muscle

Transverse abdominis

What is this muscle

Quadratus lumborum

Purpose of the Buccinator

Pulls cheeks to teeth when chewing

Purpose of frontalis

Elevate eyebrows and wrinkle skin

Purpose of occipital belly of the occipitofrontalis

Slightly retract skull

Purpose of the Orbicularis oculi

Close eye

Purpose of the Orbicularis oris

Purse lips and close mouth

Purpose of the Temporalis

Elevate and retract mandible

Purpose of the Masseter

Elevate and protract mandible

What is this muscle

Medial pterygoid

What is this muscle

Lateral pterygoid

What is the purpose of the medial/lateral pterygoid

Elevate the mandible and move it side to side

Purpose of the Genioglossus

Protract tongue/stick it out

Purpose of the Hyoglossus

Retract and depress tongue

Purpose of the Styloglossus

Retract and elevate the tongue

Purpose of the Sternocleidomastoid

Rotate and FLEX the head/neck

Purpose of the Suprahyoid

Elevate hyoid

Purpose of the Infrahyoid

Depress hyoid

Purpose of the Erector spinae

Extend the spine

Purpose of the splenius captius

Rotate and EXTEND the head

Purpose of the Quadratus lumborum

Extends vertebral column and helps with side to side movement

Purpose of the External intercostals

Elevates ribs during inhalation and flexes the vertebral column

Purpose of the Internal intercostals

Helps with forced exhalation and flexes the vertebral column

Purpose of the Scalenes

Help neck move side to side, elevates first and second ribs for forced breathing

Purpose of the thoracic diaphragm

When contracted, the muscles pulls downwards which increases the vertical space in the lungs for more air

Purpose of the Rectus abdominis

Flexes the vertebral column

Purpose of the External oblique

Helps with lateral flexion of the vertebral column

Purpose of the internal oblique

Flexion of the vertebral column and assists in forced exhalation

Purpose of the Transverse abdominis

Flexion of vertebral column