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A non-flipped image of a right-handed Cartesian coordinate system, illustrating the x (right-left), y (forward-backward) and z (up-down) axes relative to a human being.Body relative directions (also known as egocentric coordinates) [1] are geometrical orientations relative to a body such as a human person's body or a road sign.
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Free body diagram of block on ramp. Español: Bloque sobre un plano inclinado (arriba) y diagrama de cuerpo libre de ese mismo bloque (abajo). Italiano: Un blocco su di un piano inclinato (in alto) e il corrispondente diagramma di corpo libero del solo blocco (in basso).
When in lying position, the body may assume a great variety of shapes and positions. The following are the basic recognized positions: Supine position: lying on the back with the face up; Prone position: lying on the chest with the face down ("lying down" or "going prone") Lying on either side, with the body straight or bent/curled forward or ...
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In human anatomy, the anatomical planes are defined in reference to a body in the upright or standing orientation. A transverse plane (also known as axial or horizontal plane) is parallel to the ground; it separates the superior from the inferior, or the head from the feet.
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The standard anatomical position, or standard anatomical model, is the scientifically agreed upon reference position for anatomical location terms.Standard anatomical positions are used to standardise the position of appendages of animals with respect to the main body of the organism.