Masseter

Temporalis

Medial Pterigoid

Lateral Pterigoid

INN: CN V₃

Action: Closes and protrudes the mandible

INN: CN V₃

Action: Closes and retracts mandible

INN: CN V₃

Action: Opens and protracts the mandible

INN: CN V₃

Action: Closes and protudes(protracts) the mandible

Sternocleidomastoid m

Anterior Scalene m

Middle Scalene m

Sternocleidomastoid m

INN: CN XI, Spinal Accessory n

Action: Together -- Flexion of cervial spine

Seperate -- Draw head to shoulder and rotate head

Anterior Scalene m

 &

Middle Scalene m

INN: Cervical Spinal n

Action: Together - stabilize head, aid respiration

Individual - lateral neck flexion

Sternohyoid m

Sternothyroid m

Omohyoid m

Thyrohyoid m

INN: Cervical Plexus

Action: Depress hyoid bone

Ventral rami of C1-C3 spinal nerves

INN: Cervical Plexus

Action: Depress thyroid cartilage

INN: Cervical plexus

Action: Depress hyoid bone and elevate thyroid cartilage

Omohyoid m

(superior belly and inferior belly)

INN: Cervical plexus

Action: Depress and retract (pull back) hyoid bone

Stylohyoid m

Mylohyoid m

Digastrics m

Geniohyoid m

INN: CN VII, Facial n

Action: Raise and retract hyoid bone

INN: V_3, Mandibular n

Action: Raises Tongue

Digastrics m

(anterior belly/posterior belly)

INN: V₃, Mandibular n

Action: Anterior belly-opens mouth

Posterior belly-raises hyoid bone

INN: Cervical spinal nerves, C1-C2

Action: Elevates hyoid bone and base of tongue

Cricothyroid m

Lateral cricoarytenoid m

Arytenoideus m

Posterior Cricoarytenoid m

Thyroarytenoideus m

Vocalis m

INN: External laryngeal n

Action: Tenses vocal cords

INN: Recurrent laryngeal n

Action: Adducts vocal cords

INN: Recurrent laryngeal n

Action: Closes rim of glottis

INN: Recurrent laryngeal n

Action: Abduct vocal cords

INN: Recurrent laryngeal n

Action: Relax vocal cords

Attachment: Directly to the outer side of the vocal ligament

INN: recurrent laryngeal n

Action: Shortens and relaxes vocal cords