Origin, Insertion, And Nerve Of Muscles

Question 1

What is the origin, insertion, and nerve of frontalis

Answer 1

O: epicranial aponeurois

I: skin of eyebrows

N: facial nerve

Question 2

What is the origin, insertion, and nerve of occipitalis

Answer 2

O: occipital bone

I: epicranial aponeurosis

N: facial nerve

Question 3

What is the origin, insertion, and nerve of corrugator supercilli

Answer 3

O: medial supraorbital margin of frontal bone

I: skin of medial eyebrows

N: facial nerve

Question 4

What is the origin, insertion, and nerve of orbicularis oculi

Answer 4

O: orbital portions of the frontal bone and maxilla

I: skin of the orbital area and eyelids

N: facial nerve

Question 5

What is the origin, insertion, and nerve of levator labii superioris

Answer 5

O: zygomatic and upper maxilla near orbit

I: skin and muscle of upper lip

N: facial nerve

Question 6

What is the origin, insertion, and nerve of zygomaticus minor

Answer 6

O: zygomatic

I: skin and muscle of the lateral upper lip

N: facial nerve

Question 7

What is the origin, insertion, and nerve of zygomatic major

Answer 7

O: zygomatic

I: lateral muscle fibers of corner/angle of mouth

N: facial nerve

Question 8

What is the origin, insertion, and nerve of risorius

Answer 8

O: connective tissue anterior to the ear

I: modiolus

N: facial nerve

Question 9

What is the origin, insertion, and nerve of orbicularis oris

Answer 9

O: Maxilla and mandible

I: skin and connective tissue of lips

N: facial nerve

Question 10

What is the origin, insertion, and nerve of depressor labii inferioris

Answer 10

O: medial mandible near mental foramen

I: skin and connective tissue of lower lip

N: facial nerve

Question 11

What is the origin, insertion, and nerve of mentalis

Answer 11

O: anterior mandible

I: skin of the chin near lower lip

N: facial nerve

Question 12

What is the origin, insertion, and nerve of buccinator

Answer 12

O: motor regions of maxilla and mandible

I: orbicularis oris and connective tissue of cheek/lips

N: facial nerve

Question 13

What is the origin, insertion, and nerve of platsyma

Answer 13

O: connective tissue of deltoid and pectoralis major

I: mandible, skin and connective tissue below mouth

N: facial nerve

Question 14

What is the origin, insertion, and nerve of depressor anguli oris

Answer 14

O: lower body of mandible

I: modiolus

N: facial nerve