can someone please help me figure out what this might be? i have numorous back problems to deal with, but lately it feels like someone kicked me in the lower back with a steel toe boot. it throbbs,it stings,the pain radiates,just as though i have been kicked there.does anyone know what kind of pain this sounds like?. i take percocet on a daily basis,but it dont even feel like they are working at all anymore.any advice??