Action

Question 1

What is the action for latissimus dorsi

Answer 1

Extend, aDduct, medically rotate the humerus

Question 2

What is the action for rhomboid minor

Answer 2

Retracts the scapula, rotate to depress glenoid cavity

Question 3

What is the action for rhomboid major

Answer 3

Retracts the scapula, rotate to depress glenoid cavity

Question 4

What is the action for levator scapulae

Answer 4

Elevate the scapula

Question 5

What is the action for splenius capitis

Answer 5

Bilaterally: Extend the head and neck
Unilaterally: laterally flex the head and neck

Question 6

What is the action for splenius cervicis

Answer 6

Bilaterally: Extend the head and neck
Unilaterally: laterally flex the head and neck

Question 7

What is the action for serratus posterior superior

Answer 7

Elevate the ribs

Question 8

What is the action for serratus posterior inferior

Answer 8

Depress the ribs

Question 9

What is the action of iliocostalis cervicis

Answer 9

Bilaterally: extend the spine
Unilaterally: laterally flex the spine

Question 10

What is the action of iliocostalis thoracis

Answer 10

Bilaterally: extend the spine
Unilaterally: laterally flex the spine

Question 11

What is the action of iliocostalis lumborum

Answer 11

Bilaterally: extend the spine
Unilaterally: laterally flex the spine

Question 12

What is the action of longissimus capitis

Answer 12

Bilaterally: extend the head
Unilaterally: laterally flex the head

Question 13

What is the action of longissimus cervicis

Answer 13

Bilaterally: extend the spine
Unilaterally: laterally flex the spine

Question 14

What is the action of longissimus thoracis

Answer 14

Bilaterally: extend the spine
Unilaterally: laterally flex the spine

Question 15

What is the action of spinalis cervicis

Answer 15

Bilaterally: extend the cervical and thoracic spine
Unilaterally: laterally flex the cervical and Thoracic spine

Question 16

What is the action of spinalis thoracis

Answer 16

Bilaterally: extend the cervical and thoracic spine
Unilaterally: laterally flex the cervical and Thoracic spine

Question 17

What is the action of rotatores

Answer 17

Extend and rotates the spine, proprioception

Question 18

What is the action of Multifidus

Answer 18

Extend the spine
Laterally flex the spine to the same side
Rotate the spine to the opposite side

Question 19

What is the action of semispinalis capitis

Answer 19

Bilaterally: extend the cervical and thoracic spine and head
Unilaterally: laterally flex the cervical and thoracic spine and head

Question 20

What is the action of semispinalis cervicis

Answer 20

Bilaterally: extend the cervical and thoracic spine and head
Unilaterally: laterally flex the cervical and thoracic spine and head

Question 21

What is the action of semispinalis thoracis

Answer 21

Bilaterally: extend the cervical and thoracic spine and head
Unilaterally: laterally flex the cervical and thoracic spine and head

Question 22

What is the action of rectus capitis posterior major

Answer 22

Posture

Question 23

What is the action of rectus capitis posterior minor

Answer 23

Posture

Question 24

What is the action of the obliquus capitis superior

Answer 24

Posture

Question 25

What is the action of the obliquus capitis inferior

Answer 25

Rotates atlas

Question 26

What is the action for trapezius

Answer 26

Descending: elevate scapula Middle: retract scapula Ascending: depress scapula

Question 27

What is the action of sternocleidomastoid

Answer 27

Extend head Laterally flex to same side Rotate to opposite side Helps with breathing when fixed

Question 28

What is the action of scalene

Answer 28

Bilaterally: flex neck Unilaterally: laterally flex to same side *elevate ribs