Lab 17

Question 1

Orgin: transverse process of cervical vertebrae
Insertion ribs one and 2
Action rotates neck

Answer 1

scalenes

Question 2

Orgin: sternum
Insertion: mastoid process of temporal
Action: rotates head

Answer 2

Sternocleidomastoid

Question 3

Origin temporal fossa insertion ramus of mandible action closes madible

Answer 3

Temporalis

Question 4

Origin zygomatic arch insertion ramus of mandible action closes mandible

Answer 4

Masseter

Question 5

Origin fascia of facial muscles near mouth insertion skin of lips Action closes lips

Answer 5

Orbicularis Oris

Question 6

Origin frontal on medial margin of Orbit insertion skin of eyelid action closest eyelid

Answer 6

Orbicularis oculi