Ch. 10 Anatomy

Front 1

Skeletal muscles constitute approximately ____ of our body weight

Back 1

40 - 50 %

Front 2

The connective Tissue sheath that envelopes bundles of muscle fibers is

Back 2

Perimysium

Front 3

The covering of individual muscle fibers is

Back 3

endomysium

Front 4

course sheat covers muscle as a whole

Back 4

epimysium

Front 5

groups of skeletal muscle fibers are bound together by a connective tissue envelope called

Back 5

epimysium

Front 6

an apnoeurosis could be described as

Back 6

flat sheet of connective tissue connecting muscle to other structures

Front 7

mucles that contract at the same time as the prime mover are

Back 7

synergists and fixators

Front 8

What are the components of the lever system?

Back 8

bone joint pull load

Front 9

the type of lever arrangement in which the pull is exerted between the fulcrum and resistance or weight to be moved is

Back 9

first class lever

Front 10

muscles may be named according to

Back 10

function direction of fibers points of attachment

Front 11

example of an extensor?

Back 11

trapezius

Front 12

example of abductor

Back 12

deltoid, peroneus longus

Front 13

flexor

Back 13

flexor carpi radialis

Front 14

a muscle that assists with mastication

Back 14

masseter

Front 15

the muscle that draws the eyebrows together producing vertical wrinkles above the nose

Back 15

currugator supercili

Front 16

which of the following muscles has fibers on a transverse plane

Back 16

transverse abdominis

Front 17

which muscle function to protect the abdominal viscera

Back 17

external oblique, internal oblique, transversus abdominis

Front 18

which muscle forms the pelvic floor

Back 18

levator ani

Front 19

which of the following muscles to does not move the upper arm

Back 19

pectoralis major - flexor

Front 20

latissmus dorsi - arm

Back 20

extensor

Front 21

muscles part of the rotator cuff muscles

Back 21

infraspinatus, supraspinatus, teres minor

Front 22

the teres major and teres minor muscles move the

Back 22

shoulder

Front 23

the muscle that allows the thumb to be drawn across the palm to touch the tip of any finger is

Back 23

opponens pollicis

Front 24

extensor digitorium

Back 24

extends the fingers

Front 25

palmaris longus

Back 25

flexes the hand

Front 26

flexor carpi radialis

Back 26

flexers hand and forearm

Front 27

the muscle that raises or lowers the shoulders or shrugs them is

Back 27

trapezius

Front 28

deltoid

Back 28

abducts the arm

Front 29

latissimus dorsi

Back 29

extends the upper arm

Front 30

pectoralis minor

Back 30

pulls shoulder girdle down

Front 31

the muscle that extends and adducts the upper arm is

Back 31

latissimus dorsi

Front 32

the posterior arm muscle that extends the forearm is

Back 32

triceps brachii

Front 33

the muscle that flexes the semipronated or semisupinated forearm is

Back 33

brachioradialis

Front 34

muscles that move the upper arm originate on the

Back 34

ulna and humerous

Front 35

the muscle assisting in rotating the arm outward is

Back 35

teres minor

Front 36

the action of the brachialis muscle is

Back 36

flex the forearm

Front 37

the flexor muscles that move the fingers are located on the

Back 37

anterior lateral surface of the forearm

Front 38

muscles that move the thigh

Back 38

adductor longus, gracialis, illiopsoas

Front 39

muscles of the quadracrips femoris group

Back 39

rectur femoris, vastus medialis, vastus intermedius

Front 40

when an athlete injures a muscle of the hamstring group

Back 40

posterior thigh

Front 41

muscles that move the foot

Back 41

soleus, peroneus longus, tibialis anterior

Front 42

muscles located on the lower leg move

Back 42

the foot

Front 43

which of the following body systems assists the muscles in maintaining posture?

Back 43

digestive, endocrine, excretory

Front 44

the purposeful movement is determined by

Back 44

the relationship of muscles to joints, how muscles are attached to the skeleton, the manner in which muscles are grouped

Front 45

which fibrous connective tissue structures have a lining of synovial fluid

Back 45

tendon sheaths

Front 46

a muscle is attached to the femur and the tibia when the muscle contracts the knee bends meaning

Back 46

tibia attachment is the origin, femur attachment is the insertion

Front 47

muscles that acts on shoulder girdle

Back 47

trapezius, levator scapulae, rhomboideus

Front 48

there are more than ___ skeletal muscles in the body

Back 48

600

Front 49

another name for a skeletal muscle cells is

Back 49

muscle fiber

Front 50

the rectus abdominal muscle is an example of

Back 50

parallel muscle

Front 51

the rectus abdominal

Back 51

parallel muscle

Front 52

the bradioradialis muscle

Back 52

fusiform muscle

Front 53

pectoralis major muscle

Back 53

convergent muscle

Front 54

soleus muscle

Back 54

pennate muscle

Front 55

another name for a sphincter muscle

Back 55

circular muscle

Front 56

most common type of lever in the body is

Back 56

third class lever

Front 57

moveing from superficial to deep the connective tissue components would be

Back 57

epimysium, permysium, endomysium

Front 58

latisimus dorsi muscle is

Back 58

spiral muscle

Front 59

naming location

Back 59

brachialis

Front 60

naming function

Back 60

adductors

Front 61

naming shape

Back 61

deltoid

Front 62

nameing direction of fibers

Back 62

rectus

Front 63

naming number of heads or divisions

Back 63

triceps

Front 64

naming points of attachment

Back 64

sternocleidomastoid

Front 65

buccinator

Back 65

creates smile expression

Front 66

corrugator supercili

Back 66

draw the eyebrows together producing vertical wrinkles

Front 67

epicranius

Back 67

raise the eyebrows

Front 68

orbicularis oculi

Back 68

close the eye

Front 69

pterygoid

Back 69

casues sidewaysmovement during mastication

Front 70

sternocleidomastoid

Back 70

flex the head prayer muscle

Front 71

antagonist

Back 71

muscles that directly appose prime movers

Front 72

prime movers

Back 72

muscles that play the major role in accomplishing a particular movement

Front 73

syngergists

Back 73

muscles that contract at the same time as the prime mover producing a more effective movement

Front 74

fixators

Back 74

muscles that help maintain posture of balance during contraction of muscles acting on joints in the arms and leg

Front 75

gluteus maximus

Back 75

buttocks

Front 76

biceps brachii

Back 76

upper arm

Front 77

trapezius

Back 77

back

Front 78

pectoralis major

Back 78

chest

Front 79

adductor magnus

Back 79

thigh

Front 80

pronator teres

Back 80

forearm

Front 81

external oblique

Back 81

abdominal wall

Front 82

deltoid

Back 82

shoulder

Front 83

sternocleidomastoid

Back 83

neck

Front 84

gastrocnemius

Back 84

leg

Front 85

a tube shaped structure of fibrous connective tissue

Back 85

tendon sheath

Front 86

delicate connective tissue that covers muscle cells

Back 86

endomysium

Front 87

connective tissue that bonds fascicles together

Back 87

perimysium

Front 88

tough connective tissue cord connecting muscle to the periosteum of a bone

Back 88

tendon

Front 89

below the skin it is called superficial surrounding the muscle is called deep

Back 89

fascia

Front 90

broad flat sheet of tendon like connecive tissue

Back 90

aponeurosis

Front 91

coarse connective tissue that covers the entire muscle

Back 91

epimysium

Front 92

groups of skeletal muscle fibers

Back 92

fascicles