Why can't I run as fast as my friend? What are fast twitch fibres? What's the difference between fast twitch and slow twitch fibres? Here's what you need to know about running fast

What's the difference between fast and slow twitch muscle fibres?

Strong Women

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It’s all down to our muscle fibre types

Broadly speaking, your body has two types of muscle fibres, type 1 and type 2, commonly known as ‘slow-twitch’ and ‘fast-twitch’

Want to run faster? It’s all about muscle fibres. 

Fast v slow twitch muscle fibres: this is why you might not be able to run as fast as your friend, even if you’re as fit