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/bˈæk/
/ˈbæk/
What is "back"?
The back is the posterior region of the human body, extending from the shoulders to the buttocks. It comprises the spine, muscles, ligaments, and other supporting structures. The back provides stability, protection, and flexibility, allowing for a wide range of movements and supporting the body's weight. It plays a vital role in posture, balance, and the overall functioning of the musculoskeletal system. The back is a complex and essential part of the human body, contributing to both physical strength and mobility, as well as serving as a canvas for self-expression through art and body adornments.
(American football) the position of a player on a football team who is stationed behind the line of scrimmage
the protective covering on the front, back, and spine of a book
the series of vertebrae forming the axis of the skeleton and protecting the spinal cord