Lab 1 Muscles

Question 0

Occipital

Answer 0

#25*
Draws scalp backwards

Question 1

Frontalis

Answer 1

#1*
Raises scalp and eyebrows

Question 2

Orbicularis oculi

Answer 2

#2
Closes eye

Question 3

Orbicularis oris

Answer 3

#9 
Closes eye

Question 4

Buccinator

Answer 4

#14
Compresses cheek, sucking

Question 5

Temporalis

Answer 5

#22*
Elevates and retracts mandible

Question 6

Digastric

Answer 6

17&19

Depresses mandible, elevates hyoid
(Speech and swallowing)

Question 7

Mylohyoid

Answer 7

#16
Elevates hyoid, mouth and tongue (swallowing)

Question 8

Sternohyoid

Answer 8

#218
Depresses hyoid and larynx

Question 9

Sternocleidomastoid

Answer 9

#21
Flexes, rotates head and back

Question 10

Scalenes

Answer 10

#224*
Flexes, rotates head and neck; elevates ribs 1 and 2

Question 11

Levator scapulae

Answer 11

#225*
Elevates, retracts and rotates scapula; flexes neck

Question 12

Pectoralis major

Answer 12

#262
See shoulder actions

Question 13

Pectoralis minor

Answer 13

#261
Depresses scapula, elevates ribs

Question 14

Serratus minor

Answer 14

#542
Abducts and rotates scapula

Question 15

Diaphragm

Answer 15

#252
Inspiration, depresses thorax floor

Question 16

External intercoastals

Answer 16

#255
Inspiration, elevates ribs

Question 17

Internal intercoastals

Answer 17

#256
Expiration, depresses ribs

Question 18

Trapezius

Answer 18

#226
Extends head, elevates, addicts and rotates scapula

Question 19

Latissimus dorsi

Answer 19

#541
Prime extensor of humerus, adducts and medially rotates arm