abduction The movement of a body part away from the axis or midline of the body. Also, the movement of a digit away from the axis of the limb. Muscles that carry out abduction are called abductors and are largely found in the limbs and neck. The opposite movement is called adduction. Related category • ANATOMY AND PHYSIOLOGY Also on this site: Encyclopedia of Alternative Energy & Sustainable Living Encyclopedia of History Transport Concepts & Designs (partner site) |