Is it normal that my sister can do this?

My Sister is crazy and really flexible. Ive never seen anything like it. Surely it isn't normal for her to be able to bend her back like this?!
https://imgur.com/a/Bt3OE

Voting Results
60% Normal
Based on 5 votes (3 yes)
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Comments ( 2 )
  • Nickvey

    id say thats unusual. she is cute beyond words.

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  • Boojum

    Can she bend the other way as well? That would create interesting possibilities for her. (Hey, this is IIN - what did you expect?)

    I believe that's called hypermobility, and I think there are possible medical consequences as she gets older. I hope your parents have discussed this with doctors.

    http://www.globaltherapies.com/hyperflexibility-is-there-anything-we-can-do/

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