I went to sit in a metal folding chair and when i did for some reason it foled threw and i hit my tail bone strait on emeditly there was consten pain in the area that was in my lower back and down my the back of my legs.. Than my butt checks went numb tingling and sorta my lower back but still pain i cant sit right and standing and walking hurts i dont think theres bruseing its red and maybe a bit swollen