Meaning of dreaming of your back:
If you dream of your back, either as a solo image, or as part of a whole scene, then it could mean a variety of issues.
(1) You need a strong back to carry a heavy load. This may be a physical load, or metaphorical load that could refer to your intangible burdens.
(2) Someone could be nagging you and at your back. You dreamed that you wished that person would get off your back.
(3) If you dream that someone has been watching your back, it could be a person from your past, like a former boyfriend or close friend.