Hi -Pepper. My level fused is l4/l5 with rods, screws also. The whole spine has to adjust to new mechanical changes and readjust accordingly. So very common to have other aches and pains throughout the spine as "adjustment pains" occur along with surgery recovery pains.
Umm.. i think sitting is also one of those things that is individual comfort for each person. I really dont have any "tips" for anyone on this one to be honest, other than I try and sit straight and aligned as much as possible, so I try and keep proper posture as often as possible.
Before surgery I had a computer chair that I sat in and preferred over all others (to include a back chair I spent almost $3k on. That was returned because I just could not sit in it).
Post surgery, I can't sit in the chair that I used prior to surgery. It makes my back hurt. I am now sitting in a much flatter bottom cushioned desk chair and I use my "granny style" electric lazyboy recliner when watching tv. I would not be able to handle a regular recliner. And it was 4-6 weeks before I could even sit back in the recliner for any length of time. (Im a tiny person, so I really have to sit way back in order for my back to be resting on the chair properly). I can now stay in it for an evening of tv, but am constantly adjusting it and sitting on the edge, laying back, etc. Also turning on the heater (vibrator part I dont like) and I also have a heating pad on the side as well that I have been using during the winter months.
I am sorry that I was not of more help on this one. Tammy