Hi,
I have had spinal fushion in my lower neck, upper back. I have the same problems that you do. I can not do anything for long. I try to stand, sit and lie in turn. There are also exersizes that I do that helps, also ice packs.
I purchased a frame because I can not do handwork much at all any more. It is easier for me, but piecing, cutting etc are still a challenge. The stregnth and dexterity are gone.
Good luck, and remember you may be able to do something for 10-15 minutes a day but eventually it will get done. I have problems sweeping, vacuuming etc., too!
Blessings,
Sharon