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Flashcards in muscle actions Deck (55)
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1

frontalis

raises eye brows

2

orbicularis oculi

closes eyes

3

orbicularis oris

closes mouth, purses and protrudes lips

4

masseter

elevates mandible

5

temporalis

closes jaw

6

buccinator

compresses teeth, holds food b/w teeth during chewing

7

sternocleidomastoid

flexion of head

8

internal intercostals

draws ribs together and depresses rib cage

9

external intercostals

elevates ribs

10

diaphragm

prime mover of inspiration, flattens on contraction

11

external oblique

compresses abdomen and flexes vertebral column

12

internal oblique

compresses abdomen and flexes vertebral column

13

rectus abdominis

compresses abdomen and flexes vertebral column

14

transverse abdominis

compresses abdominal contents

15

pectoralis major

flexion, adduction, rotation of arm

16

pectoralis minor

draws scapula forward and downward

17

serratus anterior

rotates scapula

18

deltoid

abduction, flexion, and extension of humerous

19

trapezius

stablizes, raises, retracts and rotes scapula

20

latissimus dorsi

extends, adducts and rotates arm

21

teres major

extends, medially rotates and adducts humerous

22

levator scalulae

elevates and adducts scapula

23

rhomboids major

stablizes scapula

24

rhomboids minor

stablizes scapula

25

supraspinatus

initiates abduction

26

infraspinatus

rotates humerous laterally

27

subscapularis

chief medial rotator of humerous

28

teres minor

rotates humerous laterally

29

biceps brachii

flexes elbow joint and supinates forearm

30

brachialis

forearm flexor

31

triceps brachii

powerful forearm extensor

32

pronator teres

pronates forearm

33

flexor carpi radialis

flexor of wrist and abducts hand

34

flexor carpi ulnaris

flexor of wrist and abducts hand

35

extensor digitorum

extends the digits

36

extensor carpi radialis longus

extends wrist and abducts wrist

37

extensor carpi ulnaris

extends and abducts wrist

38

supinator

supinate forearm

39

sartorius

flexes, abducts and laterally rotates thigh

40

gluteus maximus

abducts, rotates and extends thigh

41

gluteus medius

abducts and medially rotates thigh

42

tensor fascia latae

flexes, abducts and medially rotates thigh

43

rectus femoris

extends knee and flexes thigh

44

vastus lateralis

bends and stablizes knee

45

vastus medialis

extends knee

46

vastus intermedius

extends knee

47

biceps femoris

extends thigh and flexes knee

48

semitendinosus

extends thigh and flexes knee

49

semimembranosus

extends thigh and flexes knee

50

adductor longus

adducts flexes and medially rotates thigh

51

adductor magnus

adducts, flexes and medially rotates thigh

52

gracilis

abducts, flexes, and medially rotates thigh

53

tibialis anterior

dorsi flexion and inverts foot

54

gastrocnemius

planter flexes and flexes knee

55

soleus

flexes foot