Can you fix your back without spine surgery? well...the answer is "yes, no, and maybe". Most spine health experts would agree, the better questions are: 1) What is exactly wrong with my back?, and 2)...
Pull the lower seat out - push in & up to get it out. You should see a couple of bolts holding the upper portion on - on the bottom of the seat back. Pull those bolts and then pull up on the seat...