Each of the above-described methods is used to evaluate diseases of musculoskeletal system. However, in conjunction with different purposes of methods, the above-described embodiment in this article it can be concluded that the findings carried out by any of the methods can be different. These differences are small. After testing, it can be seen that the findings carried out by various methods are classified in very similar terms – a high level of risk. Therefore it is assumed that, each of these methods are only providing guidance to actions measures to reduce the risks of formation of musculoskeletal disorders. Decisions related to making changes in construction jobs or the entire work process should be taken based on accurate ergonomic research.