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
