“…The biomechanical loads imposed by relatively straight forward transfer activities (e.g. sit-to-stand or stand pivot transfers) can exceed tissue tolerances and increase the risk of injury (Hess, Kincl, & Mandeville, 2007; Marras, Davis, Kirking, & Bertsche, 1999). Exposure to these tasks is one explanation for the high rates of work-related musculoskeletal disorders (MSDs) that occur in paid home health care workers (home health aides), as well as homecare nursing and rehabilitation personnel (Smedley, Egger, Cooper, and Coggon, 1995; Engels, van der Gulden, Senden, and van’t Hof, 1996; Craib, Hackett, Back, Cvitkovich, & Yassi, 2007; Campo et al, 2008; Darragh, Huddleston & King, 2009).…”