Suprahyoid muscles

Question 1

Origin of Diagastric

Answer 1

Anterior belly: Diagastric fossa of the mandible
Posterior belly: Mastoid notch of the temporal bone

Question 2

Insertion of Diagastric

Answer 2

Body of the hyoid via a fibrous loop over an intermediate tendon

Question 3

Action of Diagastric

Answer 3

Elevates the hyoid bone; depresses the mandible

Question 4

Origin of Genihyoid

Answer 4

Mental spines of the mandible

Question 5

Insertion of Genihyoid

Answer 5

Body of hyoid bone

Question 6

Action of Genihyoid

Answer 6

Elevates the hyoid bone; depresses mandible

Question 7

Origin of Mylohyoid

Answer 7

Mylohyoid line of mandible

Question 8

Insertion of Mylohyoid

Answer 8

Midline raphe and body of the hyoid bone

Question 9

Origin of Stylohyoid

Answer 9

Posterior side of the styloid process

Question 10

Insertion of Stylohyoid

Answer 10

Splits around the intermediate tendon of the diagastric muscle to insert on the body of the hyoid bone

Question 11

Action of Stylohyoid

Answer 11

Elevates and retracts the hyoid bone

Question 12

Action of Mylohyoid