A member asked:

Does raising eyebrows constantly and moving ears back and forth raise intracranial pressure?

2 doctors weighed in across 2 answers

Raising eyebrows constantly and moving ears back and forth is a great party trick. But it does not raise intracranial pressure since it involves only contracting muscles on the outside of the skull.

Answered 12/14/2021

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Unless you strain down or hold your breath, your muscular activities over the skull will have no effect on intracranial pressure dynamics.

Answered 12/14/2021

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