PREVIEW CASSETTE # 313634 Based on many years research on lifting techniques and analytical review of injuries resulting from lifting, B.T. Davis, PhD., developed a new lifting technique of six elements involving parts of the body which combine to proviede the Perfect Lift Position (positions of feet, back, chin, palms, body or weight distribution and arms). These elemts and te resulting perfect lift are demonstrated on a variety of dissimilarly shaped objects. Produced with the assistance of Bemjamin T. Davies, PhD, University of Birmingham, England, and the University of Massachusetts.