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Muscle fibre types
slow twitch and fast twitch
| Question | Answer |
|---|---|
| What colour are slow-twitch fibres | Red |
| What is the fibre size of slow-twitch fibres | Small |
| Do slow twitch fibres have high or low resistance to fatigue | High |
| Mitochondrial density, Capillary density, myoglobin content and oxidative capacity are all _ in slow twitch fibres | High |
| What is the major fuel in slow twitch muscle fibres? | Carbohydrates |
| What colour are fast twitched type 2b fibres | White |
| What is the fibre size of fast twitch type 2a fibres | Intermediate |
| What is the speed of contraction for slow twitch fibres | slow |
| What is the speed of contraction for fast twitched type 2a fibres | Moderate |
| What is the speed of contraction for fast twitched type 2b fibres | fast |