Lab - Muscle Flashcards
(53 cards)
1
Q
Raises Eyebrows
A
Frontalis
2
Q
Draws scalp posteriorly
A
Occipitalis
3
Q
Closes each eye
A
orbicularis oculi
4
Q
Puckers mouth
A
orbicularis oris
5
Q
Pulls corners of mouth
A
zygomaticus major
6
Q
elevates upper lip
A
zygomaticus minor
7
Q
depresses lower lip
A
platysma
8
Q
tenses neck skin
A
platysma
9
Q
depresses mandible
A
platysma
10
Q
protracts mandible
A
masseter
11
Q
rotation of head
A
sternocleidomastoid
12
Q
flexion of head
A
sternocleidomastoid
13
Q
Flexes vertebral column
A
- rectus abdominus
- external oblique
- internal oblique
14
Q
Lateral flexion of vertebral column
A
Erector spinae
15
Q
Three parts of erector spinae
A
- iliocostalis
- longissimus
- spinalis
16
Q
compresses abdomen
A
- rectus abdominus
- external oblique
- internal oblique
- transverse abdominis
17
Q
Rotation of trunk
A
- external oblique
- internal oblique
18
Q
Normal inspiration
A
diaphragm
19
Q
Forced inspiration
A
external intercostals
20
Q
Elevates scapula
A
- trapezius
- levator scapulae
- rhomboid major
- rhomboid minor
21
Q
inferiorly rotates scapula
A
- rhomboid major
- rhomboid minor
22
Q
elevates clavicle
A
trapezius
23
Q
elevates mandible
A
- temporalis
- masseter
24
Q
retracts mandible
A
- temporalis
- masseter
25
extension of head
sternocleidomastoid
26
forced expiration
internal intercostals
27
depresses scapula
- pectoralis minor
| - trapezius
28
abducts scapula
serratus anterior
29
superiorly rotates scapula
serratus anterior
30
flexes arm
- pectoralis major
- anterior deltoid
- biceps brachii
31
adducts arm
- pectoralis major
- lattissimus dorsi
- infraspinatus
- teres major
32
laterally rotates arm
- posterior deltoid
- infraspinatus
- teres minor
33
flexes forearm
- biceps brachii
- brachialis
- brachioradialis
- pronator teres
34
pronates forearm
pronator teres
35
Flexes hand
- flexor carpi radialis
- flexor carpi ulnaris
- palmaris longus
- flexor digitorum superficialis
- flexor digitorum profundus
36
abducts hand
- flexor carpi radialis
- extensor carpi radialis longus
- extensor carpi radialis brevis
- abductor pollicis longus
- extensor pollicis brevis
37
extends arm
- lattissimus dorsi
- posterior deltoid
- teres major
- teres minor
- triceps brachii
38
abducts arm
- middle deltoid
| - supraspinatus
39
medially rotates arm
- pectoralis major
- lattissimus dorsi
- anterior deltoid
- teres major
- subscapularis
40
extends forearm
triceps brachii
41
supinates forearm
biceps brachii
42
extends hand
- extensor digitorum
- extensor carpi ulnaris
- extensor carpi radialis longus
- extensor carpi radialis brevis
- extensor digiti minimi
43
adducts hand
- extensor carpi ulnaris
| - flexor carpi ulnaris
44
Flexes digits
- flexor digitorum superficialis
| - flexor digitorum profundus
45
abducts thumb
abductor pollicis longus
46
extends thumb
- abductor pollicis longus
| - extensor pollicis brevis
47
extends digits
- extensor digitorum
| - extensor digiti minimi
48
Action potentials arrive at the _____________ of the motor neuron
synaptic end bulb
49
Synaptic vesicles containing neurotransmitter _______ undergo exocytosis
ach
50
ACh is released into the __________
synaptic cleft
51
ach binds to ___________ on the motor end plate
motor end plate
52
ACh receptors open and allow _____ to enter the muscle fiber
Na+
53
ACh is broken down by _______________ into acetate and choline
acetylcholine esterase
