Back pain is the absolute worst. However, it is really comforting that there are so many different ways out there to help you get rid of it. My advice would be to seek professional help as soon as possible. It is a good idea to seek professional help instead of trying to fix things yourself.
Thus, it is bigger in size than a coverlet. Quilt. A quilt is a piece of cloth that is intended to provide warmth to the sleeping person. It is not to be slept over like a bed sheet. However, it remains a bed covering during day time and hence the confusion with a bedspread.
A coverlet is a lightweight, non-reversible bedspread that is usually either quilted or woven. Classically designed as a decorative layer to go over thicker bedspreads, co verlets often have a thin layer of batting, making them appropriate for use as a stand-alone bed covering, depending on the weight.