"The human back, also called the dorsum, is the large posterior area of the human body, rising from the top of the buttocks to the back ...
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of the neck. It is the surface of the body opposite from the chest and the abdomen. The vertebral column runs the length of the back and creates a central area of recession. The breadth of the back is created by the shoulders at the top and the pelvis at the bottom.
Back pain is a common medical condition, generally benign in origin." - (en.wikipedia.org 07.04.2021)
