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Flashcards in Muscle - function Deck (56)
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1

serratus anterior

stabilization
abduction
upward rotation of scapula

2

rhomboid

adduction
downward rotation
elevation of scapula

3

trapezius

upper
upward rotation
elevation of scapula

middle
upward rotation
adduction of scapula

lower
depression of scapula

4

levator scapulae

elevation of scapula

5

pectoralis minor

stabilization
depression
downward rotation
abduction of the scapula

6

pectoralis major

flexion
extension
adduction
internal rotation
horizontal adduction

7

deltoid

entire muscle
abduction

anterior fibers
flexion
internal rotation
horizontal adduction

posterior fibers
external rotation
horizontal abduction

8

latissimus dorsi

extension
adduction
horizontal abduction
internal rotation

9

rotator cuff

infraspinatus and teres minor
external rotation

subscapularis
internal rotation

supraspinatus
abduction

all - stability occurs the numeral head

10

teres major

extension
adduction
internal rotation

11

biceps brachii

flexion at elbow
supination at forearm

12

brachialis

flexion at elbow

13

brachioradialis

flexion at elbow
supination at forearm

14

triceps brachii

extension at elbow
arm extension (long head)

15

pronator teres

flexion at elbow
pronation at forearm

16

pronator quadratus

pronation at forearm

17

supinator

supination at forearm

18

flexor carpi radialis

flexion

19

flexor carpi ulnaris

flexion

20

extensor carpi radialis longus

extension

21

extensor carpi ulnaris

extension

22

palmaris longus

flexion

23

rectus abdominis

flexion
lateral flexion of the trunk

24

external oblique

contralateral rotation
lateral flexion
forward flexion

25

internal oblique

ipsilateral rotation
lateral flexion
forward flexion

26

transverse abdominis

compresses abdomen

27

erector spinae

extension
lateral flexion

28

multifidi

contributes to spinal stability during trunk extension, rotation, side bending

29

Iliopsoas
iliacus, psoas major, psoas minor

flexion
external rotation

30

rectus femoris

at hip joint
flexion

at knee joint
extension

31

gluteus maximus

extension
external rotation

superior fibers
abduction

32

biceps femoris

at hip joint
extension
abduction
slight external rotation

at knee joint
flexion
external rotation

33

semitendinosus

at hip joint
extension
adduction
slight internal rotation

at knee joint
flexion
internal rotation

34

semimembranosus

at hip joint
extension
adduction
slight internal rotation

at knee joint
flexion
internal rotation

35

gluteus medius and minimus

all fibers
abduction

anterior fibers
internal rotation

posterior fibers
external rotation

36

adductor magnus

adduction

37

adductor brevis and longus

adduction

38

tensor fasciae latae

flexion
abduction
internal rotation

39

sartorius

flexion
external rotation of the hip
flexion of the knee

40

pectineus

flexion
adduction
external rotation

41

deep external (lateral) rotators
piriformis
obturator internus
obturator externus
superior gemellus
inferior gemellus
quadratus femoris

external rotation

42

gracilis

at hip joint
adduction

at knee joint
flexion

43

vastus lateralis
intermedius
medialis

extension

44

popliteus

knee flexion
internal rotation of lower leg to unlock knee

44

anterior tibialis

dorsiflexion at ankle
inversion at foot

45

peroneus longus

plantarflexion at ankle
eversion at foot

46

peroneus brevis

plantarflexion at ankle
ever sin at foot

47

gastrocnemius

plantarflexion at ankle
flexion at knee

48

soleus

plantarflexion at ankle

49

posterior tibialis

plantarflexion at ankle
inversion at foot

50

extensor hallucis longus

dorsiflexion
inversion of foot
extension of great toe

51

extensor digitorum

dorsiflexion
eversion of foot
extension of toes 2-5

52

peroneus tertius

dorsiflexion
eversion of foot

53

plantaris

flexion of the knee
plantarflexion of the foot

54

flexor hallucis longus

flexion of great toe
plantarflexion
inversion of the foot

55

flexor dogitorum longus

flexion of toes 2-5
plantarflexion
inversion of foot