Severe pain from waist to leg joint.It hurts a lot to get up after sitting. The pain increases after sleeping. Tingling in feet. Physiotherapy was done continuously for 15 days and after that after 1 day the physiotherapist asked me to come. But 2 days ago suddenly the pain has increased a lot.want the best suggestion and advice because it is too much pain.M.R.I also needs to be done.please tell me mri from where to where will done. Which type of MRI will be done? Advice on that