Last week during a game, I started feeling a small pain in my lower back, so I decided to stop playing and go home. That was on Wednesday night. When I got home, the pain was really intense every time I moved significantly (get up from a chair/my bed, sit down, lie down, bend down, etc.). The day after, the pain was even bigger and it has been gradually decreasing since then. I have been staying at home, mostly sitting and lying in my bed, since then and the pain is still there, but much less intense. The whole thing happened to me one other time a couple months ago and it was the exact same pain and it went away gradually the same way it is now. I suspect the pain to be caused by a bad movement. Has it happened to anyone ? I'm pretty sure the pain will go away in the next couple days, but I'd like to know what could be the causes of that pain and if there is anything I could do to avoid it. Since the pain seems to go away in a couple days, should I go see a doctor anyway ? Thank you for your help.