Why do we need to stretch our muscles? In the wild we wouldn’t have time to stretch before running from danger so shouldn’t our bodies be ready to move optimally whenever needed?
In: Biology
It would be wasteful and difficult to keep a body at optimal for rapid motion all the time. This would be like keeping a car engine running all the time. It wears things out and wastes fuel.
Stretching and warming up is a way to protect yourself. In an emergency you can, of course, do stuff immediately – it comes with higher risk of injury which wouldn’t matter much if, for example you need to escape from a chasing lion. But if you’re exercising, there is no reason to risk injury.
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