What causes pain in the lower back?

My lower back (the area around the spine) hurts/aches if I stand for very long periods of time (I’m talking about hours) or if I’m sitting in an uncomfortable chair or position. Does this mean my posture is bad or something else? What can I do to stop it from aching? I’m 17 so old age isn’t an issue. ☆ Sent from... show more My lower back (the area around the spine) hurts/aches if I stand for very long periods of time (I’m talking about hours) or if I’m sitting in an uncomfortable chair or position. Does this mean my posture is bad or something else? What can I do to stop it from aching? I’m 17 so old age isn’t an issue.

☆ Sent from iOS Dr. Know! 1.1.03
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