The moving of a limb away from the median plane of the body along the frontal plane called Abduction.
For example- swinging ones hands from each side of the body up to the shoulder or higher is abduction. In an anatomical sense is classified as the motion of a limb or appendage away from the midline of the body.
There is also an arm abduction it is the movement of the arms away from body within the plane of the torso (sagittal plane).
It is so because an abduction spreads the digits away from the hand or foot centerline of both.
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