Unit 4: Head And Trunk Muscle Movements

Question 1

Movement of the frontalis

Answer 1

Elevate the eyebrow

Question 2

Movement of the temporalis

Answer 2

Elevate the mandible

Question 3

Movement of the zygomaticus

Answer 3

Raise the corner of the mouth

Question 4

Movement of the orbicularis oculi

Answer 4

Close the eye

Question 5

Movement of the orbicularis oris

Answer 5

Close the mouth

Question 6

Movement of the masseter

Answer 6

Elevate the mandible

Question 7

Movement of the sternocleidomastoid

Answer 7

Active breathing
Rotate and flex the head

Question 8

Movement of the rectus abdominis

Answer 8

Flex the vertebral column
Compress the abdomen

Question 9

Movement of the external oblique

Answer 9

Flex and rotate the vertebral column
Laterally flex vertebrae
Compress the abdomen

Question 10

Movement of the serratus anterior

Answer 10

Protract the scapula

Question 11

Movement of the pectoralis major

Answer 11

Flex, extend, and adduct the arm

Question 12

Movement of the trapezius

Answer 12

Retract, elevate, and depress the scapulae

Question 13

Movement of the latissimus dorsi

Answer 13

Extend and adduct the arm

Question 14

Movement of the deltoid

Answer 14

Flex, extend, and abduct the arm

Question 15

Movement of the supraspinatus

Answer 15

Abduct the arm

Question 16

Movement of the infraspinatus

Answer 16

Lateral rotation of the arm

Question 17

Movement of the teres minor

Answer 17

Lateral rotation of the arm

Question 18

Movement of the teres major

Answer 18

Extend and adduct arm

Question 19

Movement of the subscapularis

Answer 19

Medial rotation of the arm