Anatomy- Muscle System

Question 0

of a muscle moves it away from the midline of the body

Answer 0

extension

Question 1

of a muscle makes the angle at the joint smaller

Answer 1

flexion

Question 2

of a muscle moves it away from the midline of the body

Answer 2

abduction

Question 3

moves a muscle toward the midline

Answer 3

adduction

Question 4

attach muscle to bone

Answer 4

tendons

Question 5

muscle is often referred to as striated muscle

Answer 5

skeletal

Question 6

_____stimulus is the least that will begin in the muscle to contract

Answer 6

threshold

Question 7

_____stimulus will cause all fibers in the muscle contract

Answer 7

maximal

Question 8

____stimulus won’t cause an observable contraction

Answer 8

subthreshold

Question 9

a jerky contraction to a single stimulus

Answer 9

twitch

Question 10

sustained contraction

Answer 10

tetanic

Question 11

a twitch consists of a _____period a contraction period and a relax period

Answer 11

latent

Question 12

all muscles work by

Answer 12

contraction

Question 13

all muscles work by

Answer 13

contraction

Question 14

bc muscle cells are highly active and numerous, they produce our body’s

Answer 14

Heat

Question 15

hypertrophy is a________in muscle size

Answer 15

increase

Question 16

inflammation of tendon sheaths

Answer 16

tendinitis

Question 17

inflamation of bursae

Answer 17

bursitis

Question 18

when muscle fibers are broken down

Answer 18

myofibrils

Question 19

muscles are lubricated by what fluid

Answer 19

synovial

Question 20

myofibrils consist of thick and thin

Answer 20

myofilents

Question 21

myofilaments are arranged within the fiber in small units called

Answer 21

sarcomeres

Question 22

the_____of a muscle is its attachment to moveable bone

Answer 22

insertion

Question 23

the A band consists of the total length of the____filaments

Answer 23

myosin

Question 24

the anchoring point of the thin actin is called

Answer 24

z line

Question 25

the i band consists of the band of what filaments

Answer 25

actin

Question 26

the main muscle for a movement

Answer 26

prime mover

Question 27

the main part of the muscle

Answer 27

body

Question 28

midportion of the A band where only the myosin can be seen

Answer 28

h zone

Question 29

muscles that help the prime mover

Answer 29

synergists

Question 30

point of attachment of a nerve to a muscle

Answer 30

neuromuscular junction

Question 31

small synovial lined sac containing fluid located btw tendons and bones

Answer 31

bursae

Question 32

thick myofilaments

Answer 32

actin

Question 33

thin myofilaments

Answer 33

myosin