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PE - physiological factors > Muscle Fibre Types > Flashcards

Muscle Fibre Types Flashcards

1
Q

Muscle fibre types (3)

A
  • slow oxidative fibres (SO)
  • fast oxidative glycolytic (FOG)
  • fast glycolytic (FG)
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2
Q

slow twitch muscle fibre AKA

A

slow oxidative fibres (SOF)

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3
Q

SO are associated with _______ work

A

aerobic work

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4
Q

SO produce a _____ force over a _____ period of time

A
  • small
  • long
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5
Q

SO have ____ resistance to fatigue

A

high

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6
Q

SO are suited to _____ based activities

A

endurance

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7
Q

example of event SO suited to

A

marathon

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8
Q

fast twitch muscle fibre AKA (2)

A
  • fast oxidative glycolytic (FOG)
  • fast glycolytic (FG)
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9
Q

fast twitch are associated with _______ work

A

anaerobic

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10
Q

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

A
  • large
  • short
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11
Q

fast twitch have ____ resistance to fatigue

A

low

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12
Q

fast twitch are suited to _____ based activities

A

power/speed/strength

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13
Q

example of event FOG suited to

A

400-800m

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14
Q

example of event FG suited to

A

100m

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15
Q

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

A
  • aerobic
  • stamina
  • endurance
  • high (long time)
  • low (low effort)
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16
Q

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

A
  • anaerobic
  • explosive
  • powerful
  • low (short time)
  • high (high effort)
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17
Q

mitochondria (2)

A
  • generate energy cells need to function.
  • cells in muscle fibres need lots energy to help us move
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18
Q

which structure requires lots of mitochondria

A

slow oxidative

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19
Q

myoglobin

A

red pigment fount in muscle cells - used to store oxygen

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20
Q

which structure is myoglobin good for

A

slow oxidative

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21
Q

glycogen (3)

A
  • eaten as carbohydrate
  • stored as glycogen in muscles & liver
  • turned into glucose when energy needed
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22
Q

phosphocreatine (PC store)

A

helps provide energy for muscle

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23
Q

which structures is phosphocreatine good for

A
  • fast oxidative glycolytic
  • fast glycolytic
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24
Q

triglycerides (2)

A
  • lipids (fats) that form much of stored body fat
  • circulate blood as lipoproteins
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25
Q

which structure is triglycerides good for

A

slow oxidative

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26
Q

SO fibre size

A

small (smaller = stamina)

27
Q

FOG fibre size

A

large (big = fast)

28
Q

FG fibre size

A

large (big = fast)

29
Q

SO no. of mitochondria

A

large

30
Q

FOG no. of mitochondria

A

moderate

31
Q

FG no. of mitochondria

A

small

32
Q

SO no. of capillaries

A

large

33
Q

FOG no. of capillaries

A

moderate

34
Q

FG no. of capillaries

A

small

35
Q

SO myoglobin content

A

high

36
Q

FOG myoglobin content

A

moderate

37
Q

FG myoglobin content

A

low

38
Q

SO PC stores

A

low

39
Q

FOG PC stores

A

high

40
Q

FG PC stores

A

high

41
Q

SO glycogen stores

A

low

42
Q

FOG glycogen stores

A

high

43
Q

FG glycogen stores

A

high

44
Q

SO triglyceride stores

A

high

45
Q

FOG triglyceride stores

A

moderate

46
Q

FG triglyceride stores

A

low

47
Q

SO speed of contraction

A

slow

48
Q

FOG speed of contraction

A

fast

49
Q

FG speed of contraction

A

fastest

50
Q

SO force of contraction

A

low

51
Q

FOG force of contraction

A

high

52
Q

FG force of contraction

A

highest

53
Q

SO resistance to fatigue

A

high

54
Q

FOG resistance to fatigue

A

low

55
Q

FG resistance to fatigue

A

lowest

56
Q

SO aerobic capacity

A

high

57
Q

FOG aerobic capacity

A

low

58
Q

FG aerobic capacity

A

lowest

59
Q

SO anaerobic capacity

A

low

60
Q

FOG anaerobic capacity

A

high

61
Q

FG anaerobic capacity

A

highest

62
Q

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

A
  • amount of training
  • efficiency of CVS –> gaseous exchange
63
Q

events athletes with mix of muscle fibre types are suited to

A

games events

64
Q

example of events mixed muscle fibre type athletes are suited to

A
  • football
  • hockey
  • rugby
  • (games events)

PE - physiological factors (31 decks)

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