Anterior Neck Muscles (Suprahyoid)

Question 1

Mylohyoid

Answer 1

O: Mylohyoid line of Mandible

I: Body of Hyoid bone

Inn: Mylohyoid N. (CNV₃)

BS: Facial A.

A: Elevate floor of mouth, Elevate Hyoid

Question 2

Geniohyoid

Answer 2

O: Inferior Mental Spine of Mandible

I: Body of Hyoid bone

Inn: Ventral rami of C1 (via CN XII)

BS: Facial A. & Lingual A.

A: Shortens floor of mouth, Widens Pharynx

Question 3

Stylohyoid

Answer 3

O: Styloid process of Temporal Bone

I: Body of Hyoid bone

Inn: Facial N.

BS: Facial A.

A: Elongate floor of mouth, Elevate retract Hyoid

Question 4

Digastric Anterior and Posterior

Answer 4

O: Mandibular Digastric fossa, Temporal Mastoid notch

I: Intermediate tendon to body of hyoid bone

Inn: Anterior: Mylohyoid N. Posterior: Facial N.

BS: Facial A.

A: Depress mandible, Elevate/ steady Hyoid