I have a really bad back pain what should I do?

Anonymous
I've been standing for about 7-8 hours straight without sitting and just dancing or standings because I was at a concert but now my lower back hurts a lot, what should I do? I also usually get lower back pain when sitting on the floor for a long time or standing for a long time. How can I also prevent this from happening again?
I have a really bad back pain what should I do?
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