Muscle Fibres Flashcards

1
Q

Slow Twitch - Structure

A
Red coloured
Smallest diameter
Large myoglobin content
Many mitochondria
Many capillaries
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2
Q

Fast Twitch A - Structure

A
Red/Pink Colour
Medium Diameter
Large Myoglobin content
Many mitochondria
Many Capillaries
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3
Q

Fast Twitch B - Structure

A
White/Pale Colour
Largest diameter 
Small myoglobin content
Fewer mitochondria
Fewer capillaries
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4
Q

Slow Twitch - Function

A

Increased Aerobic delivery
Produce less force
Resistant to fatigue
Slow contractions

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5
Q

Fast Twitch A - Function

A

Requires aerobic delivery
Produce more force
Less resistant to fatigue
Fast contractions

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6
Q

Fast Twitch B - Function

A

Anaerobic Delivery
Produce most force
Least resistant to fatigue
Fastest contractions

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7
Q

Slow Twitch - Activities

A

Maintenance of posture

Endurance based activity

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8
Q

Fast Twitch A - Activities

A

Walking
Running
Sprinting

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9
Q

Fast Twitch B - Activities

A

Throwing
Jumping
Weight Lifting

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