Muscle Fibres Flashcards
What are the 3 main muscle fibres?
1) Slow oxidative
2) Fast oxidative
3) Fast glycolitic
In which sport would slow oxidative muscle fibres be used?
Marathon
In which sport would fast oxidative muscle fibres be used?
400m
In which sport would fast glycolic muscle fibres be used?
100m
What is the fibre size of each muscle fibre?
SO = Small
FO = Intermediate
FG = Large
What is the neuron size of each muscle fibre?
SO = Small
FO = Intermediate
FG = Large
What is the capillary density of each muscle fibre?
SO = High
FO = High
FG = Low
What is the myoglobin content of each muscle fibre?
SO = High
FO = High
FG = Low
What is the mitochondria density of each muscle fibre?
SO = High
FO = High
FG = Low
What is the glycogen store of each muscle fibre?
SO = Low
FO = Intermediate
FG = High
What is the phosphocreatine store of each muscle fibre?
SO = Low
FO = Intermediate
FG = High
What is the contraction speed of each muscle fibre?
SO = Slow
FO = Fast
FG = Fast
What is the contraction force of each muscle fibre?
SO = Low
FO = High
FG = High
What is the rate of fatigue of each muscle fibre?
SO = Slow
FO = Intermediate
FG = Fast
What is the predominant ATP path of each muscle fibre?
SO = Aerobic
FO = Aerobic / Anaereobic
FG = Anaerobic