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.
This article attempts to make clear the difference between a bedspread and a quilt depending upon their appearance and function. As the name implies, a bedspread is a decorative piece of cloth that is laid over a bed and has to be removed before a person is ready to sleep at night.