Muscles in Anterior Triangle of Neck

Question 1

Stylohyoid Innervation

Answer 1

Facial Nerve (CN 7)

Question 2

Digastric - Anterior Belly - Innervation

Answer 2

Mylohyoid nerve from inferior alveolar branch of mandibular nerve (V3)

Question 3

Digastric - Posterior Belly - Innervation

Answer 3

Facial Nerve (CN VII)

Question 4

Mylohyoid - Innervation

Answer 4

Mylohyoid Nerve (from inferior alveolar branch of Mandibular nerve - V3)

Question 5

Geniohyoid -Innervation

Answer 5

Branch from anterior ramus C1 (carried along with hypoglossal nerve CN XII)

Question 6

Sternohyoid - Innervation

Answer 6

Anterior ramus of C1-C3 through ansa cervicalis

Question 7

Omohyoid - Innervation

Answer 7

Anterior ramus of C1-C3 through ansa cervicalis

Question 8

Thyrohyoid - Innervation

Answer 8

Fibers from anterior ramus of C1 carried along hypoglossal nerve (CN XII)

Question 9

Sternohyoid - Innervation

Answer 9

Anterior ram of C1-C3 through ansa cervicalis

Question 10

Stylohyoid - origin

Answer 10

Base of styloid process

Question 11

Digastric - anterior belly - origin

Answer 11

Digastric fossa of inside of mandible

Question 12

Digastric - posterior belly - origin

Answer 12

Mastoid notch on medial side of Mastoid process of temporal bone

Question 13

Mylohyoid - origin

Answer 13

Mylohyoid line on mandible

Question 14

Geniohyoid - origin

Answer 14

Inferior mental spine on inner surface of mandible

Question 15

Sternohyoid - origin

Answer 15

Posterior aspect of sternoclavicular joint and adjacent manubrium of sternum

Question 16

Omohyoid - origin

Answer 16

Superior border on lamina of thyroid cartilage

Question 17

Thyrohyoid - origin

Answer 17

oblique line on lamina of thyroid cartilage

Question 18

Sternohyoid - origin

Answer 18

Posterior surface of manubrium of sternum