Hi Constant,
I had never heard about this and so I googled it and located this article. I hope it answers some of your questions.
Keep me posted!
Amy
Hi constant,
You are referring to the Babinski test or Babinski sign. The examiner uses a sharpish object to scrap across the bottom of the foot. In someone with normal nerve signals traveling to the feet, the toes will curl or do nothing. In someone with a disruption of nerve signals, the toes will point up or fan out. You might notice that babies have this same response and that's because their central nervous system isn't fully developed.
Hope that helps.
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