What causes painful muscle spasms?

Question

I have them in my back and they’re temporary but I’m just curious to know why and if I’m not the only one (I’m in hs btw, thank you 30 pound backpack)

In: Biology

Answer 1

Not a doctor. But I had some killer muscle spasm in legs, and was told to drink more water and maybe take some magnesium supplements and it helped. Pretty sure dehydration was a main cause for me.