Biology A-Level

fast-twitch anaerobic fibres

What fast-twitch anaerobic fibres means in Biology A-Level, as defined for AQA.

Definition of fast-twitch anaerobic fibres

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Reference: AQA

Fibres that contract rapidly and forcefully but fatigue quickly, because they rely on anaerobic glycolysis and have few mitochondria and little myoglobin.

AQA · Skeletal muscles are stimulated to contract by nerves and act as (study guide)

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Skeletal muscles are stimulated to contract by nerves and act as (AQA A-Level)

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