Muscles LMSS

Question 1

perimysium is the outside covering of ______

Answer 1

fascicle

Question 2

epimysium is the outside covering of the ___

Answer 2

whole muscle

Question 3

_____ is wrapped by perimysium

Answer 3

Fascicle

Question 4

_____ is inside a fascicle

Answer 4

muscle fiber

Question 5

______ covers a muscle fiber

Answer 5

endomysium

Question 6

Name the characteristics of muscle cell

Answer 6

long and thin
going to run the length of the muscle
multinucleated

Question 7

True or false. One nucleus is not enough in a muscle fiber becuase they are so long

Answer 7

True.

Question 8

Is skeletal muscle voluntary or involuntary

Answer 8

Voluntary

Question 9

What is the longest muscle in the body?

Answer 9

sartorius

Question 10

True of False. Outer plasma membrane of a muscle cell is excitable and can pass an electrical current

Answer 10

True

Question 11

A muscle will either _____ or not . they are a all or _____

Answer 11

contract , nothing

Question 12

What is muscle tone?

Answer 12

readiness to fire

Question 13

You want to keep your muscle just below the ________ of firing

Answer 13

threshold

Question 14

True or false. you randomly alternate firing your muscle fibers

Answer 14

True. because you want to keep them right beloww the threshold

Question 15

True or False. Muscle tone is Involuntary

Answer 15

False. it is voluntary and involuntary

Question 16

What is a twicht?

Answer 16

when your threshold is to low and your muscle tone is too high

Question 17

When is your tone too low?

Answer 17

deep REM

Question 18

What should happend to your muscle when you stretch it?

Answer 18

it fires, which is tone

Question 19

What is a cramp

Answer 19

your tone is high

Question 20

What is also related to epileptic seizures?

Answer 20

high tone

Question 21

True or False. each cell muscle will not have a nerve ending for each muscle fiber

Answer 21

False. Each cell muscle will have a nerve ending for each muscle fiber.

Question 22

What does all or nothing mean?

Answer 22

once you fire a nerve fiber it will contract to completion

Question 23

Myofibrils are made up of _____ which are made of ____ and ____

Answer 23

myofilaments, actin and myosin

Question 24

What are you increasing when you light weights?

Answer 24

myofribrils

Question 25

True or Flase. New research shows there are muscel stem cells that you can actually make new muscle cells

Answer 25

True

Question 26

stem cells are located ______ the cells of muscles

Answer 26

throughout

Question 27

True or False. Stem cells are unspecialized cells and can be activated to become muscle cells

Answer 27

true

Question 28

Muscle need ____ and ____ . And need to excrete ____ . Therefore you need a quick _______

Answer 28

calcium , oxygen. gaseous waiste. Turn over rate

Question 29

What is the true measure of physcial fitness?

Answer 29

recovery speed, how quickly you take oxygen in and how fast co2 comes out

Question 30

What is the most demanding sport?

Answer 30

cycling

Question 31

what is the limit to how big a cell can get ?

Answer 31

the sarcolemma

Question 32

what is a sacromere

Answer 32

minimal contractile unit

Question 33

True or False. Because muscle are very well vascularized they get bruised

Answer 33

true

Question 34

types of muscles are based on

Answer 34

fascicle arrangements

Question 35

Superficial muscles tend to be ___fiber

Answer 35

white fiber fast twitch and wear out quickly low endurance

Question 36

True or False. Superficial muscles are closer to the bone and don't wear out and are made up of red fiber with high endurance

Answer 36

False. Deep muscles are closer to the bone and made up of red fiber with high endurance and don't wear out

Question 37

True or False. You can never convert one type of muscle to another

Answer 37

False. Through muscle training you can convert red to white fiber.

Question 38

Name the characteristic of Type 1 fibers

Answer 38

- red slow twitch - oxidative - high endurance - high myoglobin - postural (antigravity) - low force

Question 39

Name the characteristic of Type II fibers

Answer 39

- glycolytic - low endurance - low myoglobin - high force

Question 40

Type 2(white) are ____

Answer 40

sprinters

Question 41

type 1 (red) are are ____ runners

Answer 41

long distance

Question 42

Name characteristics of stabilizing muscles

Answer 42

- type 1 (red) - deep - single joint - postural - brachialis soleus

Question 43

name characteristics of mobilizing muscles

Answer 43

- type 2 (white) - superficial - 2 joints - biceps brachialis - gastocnemius

Question 44

origin is ___

Answer 44

fixed attachment

Question 45

insertion

Answer 45

mobile attachment

Question 46

nerve supply

Answer 46

innervation

Question 47

action

Answer 47

movement of affected joints

Question 48

agonist

Answer 48

prime mover

Question 49

antagonist

Answer 49

opposes agonist

Question 50

synergist

Answer 50

assista agonist

Question 51

stabilizer

Answer 51

suppoorts joint at rest or during other movements

Question 52

What is clasp knife rigitidy

Answer 52

muscle resists then lets go

Question 53

what is cog wheel

Answer 53

muscle has clicking movement -antogoinst is tuning on and off--neural problem

Question 54

name characterist of smooth muscle

Answer 54

autonomic in intestine slow to contract and relax

Question 55

cardiac muscle

Answer 55

is automatic striated and cross connections because it need to be very strong have a baseline beat

Question 56

True or false.Each cell in the cardiac muscle has their own beat, as soon as they touch each toher they become syncronized

Answer 56

True

Question 57

True or False. Having a hyperreflex would be a good thing

Answer 57

False. you would not have control over those muscles

Question 58

atrial fibrillation

Answer 58

heart looses its lub dub, arent dying just need to take medication or electrial signal

Question 59

True or False. Sacromere and sarcolemma are the same thing

Answer 59

False. Sacromere is between two D zisks of amyofiber. Sacrolemma is a plasma membrane

Question 60

What does the sarcoplasmic reticulum release?

Answer 60

calcium ion