Suprahyoid Muscles

Question 1

Origin: Anterior Belly- inferior border of anterior mandible
Posterior belly- mastoid process of temporal bone
Insertion: Hyoid bone
Action: Open mouth (depresses mandible) and elevates hyoid bone

Answer 1

Digastric anterior CN v , posterior CN VII

Question 2

Origin : styloid process of temporal bone
Insertion: body of the hyoid bone
Action: elevates the hyoid bone

Answer 2

Stylohyoid muscle

Question 3

Origin : inferior border of the mandible
Insertion: body of the hyoid bone
Action: elevates the hyoid bone

Answer 3

Mylohyoid muscle