Insign languages,movement, orsig, refers to the distinctive hand actions that form words. InWilliam Stokoe's terminology, it is theSIG, an abbreviation ofsignation. Movement is one of five components of a sign—withhandshape (DEZ),orientation (ORI),location (TAB), andnonmanual features. Different sign languages use different types of movement. Some treatments distinguishmovement andhold—signs, or parts of signs, that involve motion vs. those that hold the hands still.
American Sign Language uses about twenty movements. These include lateral motion in the various directions, twisting the wrist (supinating or pronating the hand), flexing the wrist, opening or closing the hand from or into varioushandshapes, circling, wriggling the fingers, approaching a location, touching, crossing, or stroking it, and linking, separating, or interchanging the hands. These may be repeated and made large or small and with varying degrees of speed, abruptness, and intensity.[1]
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