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Muscle fibre types (Slow twitch fibres - Type I (Colour (Red), Contraction…
Muscle fibre types
Slow twitch fibres - Type I
Colour
Red
Contraction speed
Slowly
Energy system
Aerobic
Type of activity
Endurance bases
Endurance
Repeatedly
Force
Minimum
Myoglobin concentration
High
Mitochondria concentration
High
Capillaries
Large
Type of sports
10000m
Fast twitch fibres - Types IIa
Colour
Red
Contraction speed
Rapidly
Energy system
Aerobic
Type of activity
Middle distance
Endurance
Fairly resistant to fatigue
Force
Medium
Myoglobin concentration
Medium
Mitochondria concentration
Medium
Capillaries
Large
Type of sports
400m
Fast twitch fibres - Type IIb
Colour
White
Contraction speed
Rapidly
Energy systems
Anaerobic
Type of activity
Speed and strength
Endurance
Fatigue easy
Force
Great force
Myoglobin concentration
Low
Mitochondria concentration
Low
Capillaries
Few
Type of sport
100m