Adduction and abduction. From Clinical Anatomy for Medical Students (3rd ed.) by Richard S. Snell (Little, Brown & Co., 1986).
Adduction is the movement of a body part toward the axis or midline of the body in the coronal plane. In the case of the fingers and toes, the term adduction refers to the drawing together of these structures, i.e., their movement toward the axis of the limb.
Muscles that carry out adduction are called adductors.; an example is the adductor magnus in the thigh.
The opposite movement to adduction is called abduction.