CH 10 Flashcards
(85 cards)
1
Q
These functional groups of skeletal muscles provides the most force for specific movement
A
prime movers
2
Q
muscles that oppose each other, especially the prime mover
A
antagonists
3
Q
muscles that aid each other, especially the prime mover
A
synergists
4
Q
muscles that prevent movement at joint, stabilize bone/joint
A
fixators
5
Q
abdominis
A
abdomen
6
Q
anconeus
A
elbow
7
Q
brachialis
A
arm
8
Q
carpi
A
wrist
9
Q
cleido
A
clavicle
10
Q
genio
A
chin
11
Q
glosso
A
tongue
12
Q
deltoid
A
triangular
13
Q
trapezius
A
trapezoid
14
Q
rhomboideus
A
like a rhomboid or parallelogram
15
Q
orbicularis
A
round
16
Q
maximus
A
largest
17
Q
medias
A
middle
18
Q
minimus
A
smallest
19
Q
longus
A
longest
20
Q
brevis
A
shortest
21
Q
internus
A
internal
22
Q
externus
A
external
23
Q
superior
A
top
24
Q
inferior
A
bottom
25
rectus
straight or parallel
26
transversus
at right angles
27
oblique
muscles run at an angle
28
sphincter
circular muscle
29
Looking at the location of the attachments, the origin is always named\_\_\_\_?
First
30
flexor
brings bones closer together
31
extensor
brings bones further apart
32
abductor
take bone away from midline
33
adductor
bring bone closer to body
34
These are muslces that run parallel to bones
parallel muscles
35
fibers come together in common attachment
convergent muscles
36
These types of muscles have short fibers that attach obliquely (At an angle)
pennate muscles
37
Muscles that attach on one side of tendon
unipennate
38
Type of muscles where fibers attach on both sides of tendon
bipennate
39
extensor digitorum longus is an example of what type of pennate muscle?
unipennate
40
Rectus femoris digitorum longus is an example of what type of pennate muscle?
bipennate
41
The deltoid is an example of what type of pennate muscle?
multipennate
42
The force a muscle can produce is related to the \_\_\_\_\_of muscle cells active
number
43
The amount that a muscle can shorten is related to the _______ of individual muscle fibers
length
44
fulcrum in the middle, see-saw
first class
45
effort at one end, fulcrum at the other, wheelbarrow
second-class
46
effort in the middle, provide rapid movement, shovel, most common type
third-class
47
increased power with less effort
mechanical advantage
48
mechanical disadvantage
speed is lost
49
wrinkles brow like corrugated cardboard
corrugator supercilii

50

corrugator supercilii
51
close eyelids, winking
orbicularis oculi

52

orbicularis oculi
53
This muscle helps with smiling
zygomaticus

54

zygomaticus
55
draws
corners of
mouth laterally
risorius

56

risorius
57
pucker the mouth,
kiss, whistle
orbicularis oris

58

orbicularis oris
59
flatten cheek,
suck, whistle
buccinator

60
close (elevate) the mandible, connected to chin
masseter

61

masseter
62
1.close (elevate) the mandible, on parietal bone
temporalis

63

temporalis
64
upper muscle that open (depress) the mandible
lateral pterygoids

65

lateral pterygoids
66
also elevate the mandible (lower)
medial pterygoids

67
Lower muscle

medial ptergoids
68
main muscle of tongue
genioglossus # 1

69
1 is?

genioglossus
70
depress tongue
hyoglossus
3

71
3

hyoglossus
72
retract and elevate tongue
styloglossus
2

73
2

styloglossus
74
depress lower lip, wrinkle skin of neck
platysma

75

platysma
76
These three bones elevate hyoid during swallowing
digastric, stylohyoid, mylohyoid
1, 2,3

77
1

digastric
78
2

mylohyoid
79
3

stylohyoid
80
elevates ribs, flexes neck
scalenes

81
1

middle scalenes
82
2

Anterior scalenes
83
3

posterior scalenes
84
Extends neck
splenius

85