question: Hi,I am suffering from Low Back pain since 5 months on right side contineously and left side alternately.Already i m suffering from Ankylosing Spondylitis since two years as told by Rheumatologist.But earlier i had pain alternately on both side but since 5 months i have continuously pain on right back side radiating upto my right thigh, leg and foot. Is there is any requirement to operate it? Please suggest me some exercises for remedy