Characteristics of type 2a muscle fibres (fast oxidative glycolytic)

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Last updated 9:27 AM on 5/26/26
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9 Terms

1
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contraction speed

  • fast

  •  contract faster than Type I, allowing quicker and more powerful movements

2
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force production

  • moderate

  •  produce a medium amount of force which suits activities that require both endurance and power

3
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fatigue resistance

  • moderate

  • They can sustain effort longer than Type IIx but not as long as Type I

4
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energy system

  • both aerobic and anaerobic

  • use a combination of aerobic and anaerobic systems making them versatile

5
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mitochondrial density

  • moderate

6
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capillary density

  • moderate

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myoglobin content

  • moderate

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how long do they last

2-3 mins

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example

  • 800m run

  • middle distance swimming