Weird Physical Illusion

Muscle memory can do some strange things, like the feeling you get when you jump after being on a trampoline... here's a REALLY amazing effect that's always fascinating...
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Step 1:
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The Illusion
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This weird physical illusion is very simple but amazingly strange. Stand inside a doorway and ress the backs of your hands against the side rails. Use as much force as you can. Do this for about 30 seconds.
This illusion works because of Muscle Memory. Your muscles become accustomed to continue an activity, even after you've stopped. Relax your arms and step out of the doorway. Move your arms just a bit away from your sides, and they'll suddenly feel as if they are moving by themselves!
Try it and you'll be amazed! And then rate this video...