Personnel are generally company goal driven in terms of task / job completion. Though the HSE and Refusal to Work program may require hazard associated with lifting to be assessed not necessarily formally but at least going through the process, it is always tempting and traditional to attempt lifting / moving objects perceived to be “within the ‘capability’ of the person involved” in activities such as pipe handling on drill floor, general materials handling around the site, manoeuvring equipment in awkward locations, stretching out / exerting harder without actually realizing reaching the “limit”