eli5: why do humans brace for impact if going limp results in fewer injuries?

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Why is our instinct to brace for impact when falling, getting punched, getting into a car accident, etc., when going limp causes less injury/damage to the body?

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Anonymous 0 Comments

can you link your evidence?

I have heard many times that bracing the right way can minimize injury when falling or getting punched.

It is different when you are in a car, since airbags and seats themselves will protect you better if you keep your hands down and your body against the back of the seat.

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