“…Video distortion method (VDM), either on a TV monitor or on a life-size screen, has been the method most frequently used in the last few years (eight out of 13 studies, that is 61.5 %) (8,9,13,22,27,29,31,38).Video distortion was used mainly as a whole body technique, although Gardner et al introduced body region estimation in VDM as well (13).…”