Neck/Back/Pelvic Muscles Actions Flashcards Preview

Muscles > Neck/Back/Pelvic Muscles Actions > Flashcards

Flashcards in Neck/Back/Pelvic Muscles Actions Deck (42):
1

Sternocleidomastoid

B: Flex neck
U: Lateral flexion + turn to opposite side

2

Stylohyoid

Elevates and retracts hyoid during swallowing

3

Digastric

Depresses mandible or elevates hyoid bone during swallowing

4

Mylohyoid

Elevates hyoid

5

Geniohyoid

Pulls hyoid anterosuperiorly, widens pharynx

6

Omohyoid

Depresses and fixes hyoid bone

7

Sternohyoid

Depresses hyoid

8

Thyrohyoid

Depresses hyoid and elevates larynx

9

Sternothyroid

Depresses hyoid and larynx

10

Longus Colli

Flexes neck

11

Longus Capitis

Flexes head

12

Rectus Capitis Anterior

Flexes head

13

Anterior Scalene

Flexes head

14

Rectus Capitis Lateralis

Flexes and stabilizes head

15

Middle Scalene

Flexes neck laterally, elevates first rib during forced inspiration

16

Posterior Scalene

Flexes neck laterally, elevates second rib during forced inspiration

17

Splenius Capitis

U: Laterally flexes and rotates head and neck to same side
B: Extends head and neck

18

Levator Scapulae

Elevates scapula

19

Platysma

Depresses lower jaw and lip and abgle of mouth, wrinkles skin of neck

20

Serratus Posterior Superior

Elevation of ribs

21

Serratus Posterior Inferior

Depression of ribs

22

Splenius Cervicis

Extends spine and rotates to the same side

23

Splenius Capitis

Extends and rotates to the same side

24

Iliocostalis

Extension and Ipsilateral rotation,
Fixed: Elevation of pelvis and contralateral rotation

25

Semispinalis

Extension, contralateral rotation

26

Multifundus

Extension, Contralateral rotation
Fixed: Elevation of Pelvis, Ipsilateral rotation

27

Rectus Abdominis

Trunk flexion, compression

28

External Oblique

Rotates trunk to the opposite side

29

Internal Oblique

Rotates trunk to the same side

30

Transverse Abdominis

Compression

31

Quadratus Lumborum

Trunk bending, same side flexion

32

Iliacus

Flex the torso and thigh with respect to eachother

33

Psoas major and minor

Flexes torso and thigh with respect to eachother

34

Gluteus Maximus

Major extensor, assists in lateral rotation

35

Gluteus Medius

Major abductor, Anterior fiber rotate medially, posterior fibers rotate laterally

36

Gluteus Minimus

Abducts and medially rotates hip

37

Piriformis

Lateral Rotator of the hip joint, helps abduct in flexion

38

Superior Gemellus

Rotates thigh laterally, helps abduct and flex

39

Inferior Gemellus

Rotates thigh laterally, helps abduct and flex

40

Obturator Internus

Rotates thigh laterally, helps abduct when in flexion

41

Quadratus Femoris

Lateral hip rotation, helps adduct

42

Obturator Externus

Lateral thigh rotation, helps with adduction