Having you ever had the experience of going to lift a heavy suitcase and you are jerked off balance because it actually was empty! Remember how your body reacted?
Your body reacted that way because of the lightening quick reaction of your brain.
That’s right, in a microseconds your brain estimated the expected weight of the suitcase. Our brains estimate how many motor units are needed for our arm muscles to contract for the force required for us to make a lift.
Furthermore the muscles in our back, abdomen and legs also unconsciously calculate the load and contract in preparation for the load.
Our bodies are calculating, precise and complex machines indeed.
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