muscles p 46 action

Question 1

Latissimus Dorsi (action)

Answer 1

Arm extension, AD-duct and rorate arm

Question 2

Erector Spinae (Logissimus, iliocostalis, spinalis) (action)

Answer 2

as a pair: extend neck and vertebral column

Question 3

Epicanius (Frontalis) (Occipitalis) (action)

Answer 3

Frontalis raises eyebrows, Occipitalis pulls scalp

Question 4

Orbicularis oculi (action)

Answer 4

closes eyelids

Question 5

Risorius (action)

Answer 5

draws corner of lip laterally

Question 6

Orbicularis Oris (action)

Answer 6

close lips

Question 7

Zygomaticus (action)

Answer 7

Elevates corners of mouth

Question 8

Buccinator (action)

Answer 8

draws corners of lips laterally

Question 9

Depressor Labii Inferioris (action)

Answer 9

draws lower lip inforiorly

Question 10

Levator Lebii Superioris (action)

Answer 10

raises upper lip

Question 11

Depressor anguli oris (action)

Answer 11

draws corners of mouth down and lateral

Question 12

Mentalis (action)

Answer 12

protrudes lower lip

Question 13

Masseter (action)

Answer 13

Elevate mandible

Question 14

Temporalis (action)

Answer 14

elevate and retract mandible