Head and Neck action and innervation

Buccinator action

compress cheek

Buccinator innervation

facial nerve

frontalis action

elevate eyebrows

frontalis innervation

facial nerve

Genioglossus action

protract tongue

Genioglossus innervation

hypoglossal nerve

Inferior oblique action

move eye superiorly and laterally

Inferior oblique innervation

oculomotor nerve

Inferior rectus action

move eye inferiorly

Inferior rectus innervation

oculomotor nerve

Lateralis rectus action

move eye laterally

Lateralis rectus innervation

abducens nerve

Masseter action

elevate jaw

Masseter innervation

trigeminal nerve

Medial rectus action

move eye medially

Medial rectus innervation

oculomotor nerve

Orbicularis oculi action

close eye, blink

Orbicularis oculi innervation

facial nerve

Orbicularis oris action

close lips, purse lips

Orbicularis oris innervation

facial nerve

Platysma action

tense neck

Platysma innervation

facial nerve

Sternocleidomastoid action

flex and laterally rotate head

Sternocleidomastoid innervation

spinal accessory nerve

Superior oblique action

move eye inferiorly and laterally

Superior oblique innervation

trochlear nerve

Superior rectus action

move eye superiorly

Superior rectus innervation

oculomotor nerve

Temporalis action

elevate jaw

Temporalis innervation

trigeminal nerve