i am about to be 17 in 3 days and my back has been hurting since last month my mom is taking me to the doctor tomorrow but i'm scared what they are gonna say please someone give me a answer fast ! but it hurts when i sit straight in like a school desk , when i bend down , when i stay in the same spot for a min or two , & i pop my back when it hurts so like 5 times a day it will stop hurting for a little but then it goes back to pain all in my lower and upper back mostly in my lower. but it hurts so bad like i don't understand someone please help me understand whats going on !?!