When you land on your butt hard that usually happens, I guess the nerves in your spine send a shock, I would wait a few days, see how you feel, I don't think it's doctor worthy, but then I'm not a doctor! ha check out our snowboard health for tips after injuries.
I'm into going to the chiropractor but that's a personal choice and something I would do if I was feeling all messed up, I do recommend it but it's really up to you.
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