“It’s Child’s Play” by Gregor Erdmann

“If I asked you to repeatedly toss someone weighing 80kg two meters into the air, and not break a sweat you would think I am crazy. Yet with a casual flick of your quads and perfect timing it is readily possible.

There is already a good chance that you have done this many a time without stopping to think about how it all comes together. I am talking about the swing at your local park of course. It is amazing how a handful of correctly timed leg movements can translate to the incredible power you can generate in a children’s playground.”

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  1. Give me a lever long enough and a fulcrum on which to place it, and I shall move the world. – Archimedes

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