Mystery #1Tier 1exercise and muscles
Why do athletes always warm up first instead of just going flat out?
Watch any sprinter, footballer or swimmer before the action starts and you'll see the same thing: jogging, swinging their arms and bouncing about. They're desperate to compete, yet they won't just charge straight in. Why waste all that time warming up first?
Your guess
What do you think a warm-up is actually doing to get your body ready?
There's no single magic word to type, have a go in your own words, then reveal the answer to see how close you got.
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