Muscle Actions Axial Skeleton Flashcards Preview

Musculoskeletal Anatomy > Muscle Actions Axial Skeleton > Flashcards

Flashcards in Muscle Actions Axial Skeleton Deck (39):
1

Rectus Abdominis

Flexion

2

External Oblique

Flexion
Ipsilateral Lateral Flexion
Contralateral Rotation

3

Internal Oblique

Flexion
Ipsilateral Lateral Flexion
Ipsilateral Rotation

4

Transverse Abdominis

Support Abdominal Wall
Compress Abdomen

5

Serratus Posterior: Superior

Elevates Ribs

6

Serratus Posterior: Inferior

Depresses Ribs

7

Splenius Capitis

Extend
Ipsilateral Lateral Flexion
Ipsilateral Rotation

8

Splenius Cervicis

Extend
Ipsilateral Lateral Flexion
Ipsilateral Rotation

9

Iliocostalis: Lumborum, Thosracis, Cervicis

Extend
Ipsilateral Lateral Flexion
Ipsilateral Rotation

10

Longissimus: Thoracis, Cervicis, Capitis

Extend
Ipsilateral Lateral Flexion
Ipsilateral Rotation

11

Spinalis Thoracis, Cervicis

Extend
Ipsilateral Lateral Flexion
Ipsilateral Rotation

12

Semispinalis: Thosacis, Cervicis, Capitis

Extend
Ipsilateral Lateral Flexion
Contralateral Rotation

13

Multifidus

Extend
Ipsilateral Lateral Flexion
Contralateral Rotation

14

Rotatores

Extend
Ipsilateral Lateral Flexion
Contralateral Rotation

15

Interspinalis

Extend

16

Intertransversarii

Ipsilateral Lateral Flexion

17

Quadratus Lumborum

Extend
Ipsilateral Lateral Flexion

18

Rectus Capitis Posterior Major

Extend
Ipsilateral Rotation

19

Rectus Capitis Posterior Minor

Extend
Ipsilateral Rotation

20

Obliquus Capitis Superior

Extend
Ipsilateral Lateral Flexion

21

Obliquus Capitis Inferior

Ipsilateral Rotation

22

Sternocleidomastoid

Extend Occiput & Upper Cervical
Flex Lower Cervical
Ipsilateral Lateral Flexion
Contralateral Rotation

23

Platysma

Flex
Tightens skin of neck

24

Scalenus Posterior

Ipsilateral Lateral Flexion
Contralateral Rotation

25

Scalenus Medius

Ipsilateral Lateral Flexion
Contralateral Rotation

26

Scalenus Anterior

Flex
Ipsilateral Lateral Flexion
Contralateral Rotation

27

Sternohyoid

Depress Hyoid

28

Sternothyroid

Depress Hyoid & Larynx

29

Thyrohyoid

Depress Hyoid
Elevate Larynx

30

Omohyoid

Depress & Retract Hyoid

31

Frontalis

Raise Eyebrows

32

Orbicularis Oculi

Close Eyelids

33

Orbicularis Oris

Close Lips

34

Buccinator

Compress Cheeck

35

Sygomaticus

Pull angle of lips superiorly-smile

36

Temporalis

Elevate Mandible
Retrude Mandible

37

Masseter

Elevate Mandible
Protrude Mandible

38

Medial Pterygoid

Elevate Mandible
Protrude Mandible

39

Lateral Pterygoid

Depress Mandible
Protrude Mandible