sir i had backpain problem with tremendous pain but it is not stable its move side by side , imean not in particular side sometime  lower back pain some time upper backpain, and some time my hip doesnt work  and i unable to work, or walk. so what can i do?
Its like muscle over use or over strain.just do or change/correct position of daily working style and do in the best ergonomic posture...muscle strengthening exercise may help.