Anterior Neck Muscles

Question 1

Function of cricothyroid?

Answer 1

Lengthens and tenses vocal ligaments

Question 2

Function of thyrohyoid?

Answer 2

Depresses larynx and hyoid bone; elevates thyroid cartilage

Question 3

Function of sternothyroid?

Answer 3

Depresses larynx and thyroid cartilage

Question 4

Function of omohyoid?

Answer 4

Steadies and depresses hyoid bone

Question 5

Function of digastric?

Answer 5

Raises hyoid bone bone and base of tongue, steadies hyoid, opens mouth by lowering mandible

Question 6

Function of geniohyoid?

Answer 6

Elevates hyoid bone and depresses mandible

Question 7

Function of mylohyoid?

Answer 7

Elevates hyoid bone, base of tongue, and floor of mouth; depresses mandible

Question 8

Function of stylohyoid?

Answer 8

Elevates hyoid bone and base of tongue

Question 9

Innervation of mylohyoid?

Answer 9

nerve to mylohyoid

Question 10

Innervation of stylohyoid?

Answer 10

facial nerve

Question 11

Innervation of geniohyoid?

Answer 11

branch of C1 through hypoglossal nerve (CN XII)

Question 12

Innervation of digastric (anterior belly)?

Answer 12

nerve to mylohyoid

Question 13

Innervation of digastric (posterior belly)?

Answer 13

facial nerve

Question 14

Innervation of sternothyroid?

Answer 14

ansa cervicalis

Question 15

Innervation of sternohyoid?

Answer 15

ansa cervicalis

Question 16

Innervation of thyrohyoid?

Answer 16

thyrohyoid branch of C1 via hypoglossal nerve

Question 17

Innervation of cricothyroid?

Answer 17

superior laryngeal nerve (external branch)

Question 18

Innervation of omohyoid?

Answer 18

ansa cervicalis