“…Moreover, manual lifting components as closing load to body, correct weight for lifting and schedule of lifting and appropriate grip were considered as behavior (Attwood et al, 2004;McSween, 2003). Posture of workers is one of the most important factors at the workplaces that are known as behavior (Attwood et al, 2004;Khandan et al, 2012;Mohammad Fam et al, 2008;Lueder, 2005;Chung, 2006) and the elements of posture such as elbow bending and trunk twisting are also posed as behavior (McSween, 2003;Bridger & Pisula, 2014;Habibi et al, 2012).…”