Slow twitch fibres

• ST muscles are more effective at using oxygen to generate energy as ATP, for long term exercise.
• Slow twitch fibres are beneficial for marathon runners as they have to run for extend periods of time.
• Slow twitch fibres have less sarcoplasmic reticulum.
• Slow twitch have more mitochondria for long term contraction.
• Slow twitch have myoglobin.
• Slow twitch have a dense capillary network.
• Slow twitch fibres release ATP slowly by aerobic respiration.