Our hands and feet get shaky when nervous , why is that?
In: Biology
Adrenaline makes us stronger. We get a stronger response from our muscles when adrenaline is dumped in our system.
This also applies to smaller movements. Your brain sends a signal that normally moves your arm 2cm to the left. The over-responding muscles move it 3cm. Your body’s feedback mechanisms say “whoa, too far, let’s bring it back a bit!” Your over-responding muscles bring it back too far… You experience this over-response as shakiness.
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