Muscle Fibre Types

Question 1

Muscle fibre types (3)

Answer 1

• slow oxidative fibres (SO)
• fast oxidative glycolytic (FOG)
• fast glycolytic (FG)

Question 2

slow twitch muscle fibre AKA

Answer 2

slow oxidative fibres (SOF)

Question 3

SO are associated with _______ work

Answer 3

aerobic work

Question 4

SO produce a _____ force over a _____ period of time

Answer 4

• small
• long

Question 5

SO have ____ resistance to fatigue

Answer 5

high

Question 6

SO are suited to _____ based activities

Answer 6

endurance

Question 7

example of event SO suited to

Answer 7

marathon

Question 8

fast twitch muscle fibre AKA (2)

Answer 8

• fast oxidative glycolytic (FOG)
• fast glycolytic (FG)

Question 9

fast twitch are associated with _______ work

Answer 9

anaerobic

Question 10

fast twitch produce a _____ force over a _____ period of time

Answer 10

• large
• short

Question 11

fast twitch have ____ resistance to fatigue

Answer 11

low

Question 12

fast twitch are suited to _____ based activities

Answer 12

power/speed/strength

Question 13

example of event FOG suited to

Answer 13

400-800m

Question 14

example of event FG suited to

Answer 14

100m

Question 15

slow twitch:
- a_______
- s_______
- e_______
- ____ duration (time)
- ____ intensity (effort)

Answer 15

• aerobic
• stamina
• endurance
• high (long time)
• low (low effort)

Question 16

fast twitch:
- a_______
- e_______
- p_______
- ____ duration (time)
- ____ intensity (effort)

Answer 16

• anaerobic
• explosive
• powerful
• low (short time)
• high (high effort)

Question 17

mitochondria (2)

Answer 17

• generate energy cells need to function.
• cells in muscle fibres need lots energy to help us move

Question 18

which structure requires lots of mitochondria

Answer 18

slow oxidative

Question 19

myoglobin

Answer 19

red pigment fount in muscle cells - used to store oxygen

Question 20

which structure is myoglobin good for

Answer 20

slow oxidative

Question 21

glycogen (3)

Answer 21

• eaten as carbohydrate
• stored as glycogen in muscles & liver
• turned into glucose when energy needed

Question 22

phosphocreatine (PC store)

Answer 22

helps provide energy for muscle

Question 23

which structures is phosphocreatine good for

Answer 23

• fast oxidative glycolytic
• fast glycolytic

Question 24

triglycerides (2)

Answer 24

• lipids (fats) that form much of stored body fat
• circulate blood as lipoproteins

Question 25

which structure is triglycerides good for

Answer 25

slow oxidative

Question 26

SO fibre size

Answer 26

small (smaller = stamina)

Question 27

FOG fibre size

Answer 27

large (big = fast)

Question 28

FG fibre size

Answer 28

large (big = fast)

Question 29

SO no. of mitochondria

Answer 29

large

Question 30

FOG no. of mitochondria

Answer 30

moderate

Question 31

FG no. of mitochondria

Answer 31

small

Question 32

SO no. of capillaries

Answer 32

large

Question 33

FOG no. of capillaries

Answer 33

moderate

Question 34

FG no. of capillaries

Answer 34

small

Question 35

SO myoglobin content

Answer 35

high

Question 36

FOG myoglobin content

Answer 36

moderate

Question 37

FG myoglobin content

Answer 37

low

Question 38

SO PC stores

Answer 38

low

Question 39

FOG PC stores

Answer 39

high

Question 40

FG PC stores

Answer 40

high

Question 41

SO glycogen stores

Answer 41

low

Question 42

FOG glycogen stores

Answer 42

high

Question 43

FG glycogen stores

Answer 43

high

Question 44

SO triglyceride stores

Answer 44

high

Question 45

FOG triglyceride stores

Answer 45

moderate

Question 46

FG triglyceride stores

Answer 46

low

Question 47

SO speed of contraction

Answer 47

slow

Question 48

FOG speed of contraction

Answer 48

fast

Question 49

FG speed of contraction

Answer 49

fastest

Question 50

SO force of contraction

Answer 50

low

Question 51

FOG force of contraction

Answer 51

high

Question 52

FG force of contraction

Answer 52

highest

Question 53

SO resistance to fatigue

Answer 53

high

Question 54

FOG resistance to fatigue

Answer 54

low

Question 55

FG resistance to fatigue

Answer 55

lowest

Question 56

SO aerobic capacity

Answer 56

high

Question 57

FOG aerobic capacity

Answer 57

low

Question 58

FG aerobic capacity

Answer 58

lowest

Question 59

SO anaerobic capacity

Answer 59

low

Question 60

FOG anaerobic capacity

Answer 60

high

Question 61

FG anaerobic capacity

Answer 61

highest

Question 62

other factors affecting athletes potential in speed, strength or endurance event (2)

Answer 62

- amount of training - efficiency of CVS --> gaseous exchange

Question 63

events athletes with mix of muscle fibre types are suited to

Answer 63

games events

Question 64

example of events mixed muscle fibre type athletes are suited to

Answer 64

- football - hockey - rugby - (games events)