ABSTRACT
Disorders of the musculoskeletal system are common worldwide. They play an important role in occupational health and are one of the most frequent disorders. In a world characterized by the globalization of national economies, it is desirable to specify recommended limits for manual materials handling activities on an internationally accepted basis. This helps improve and maintain healthy and safe working conditions that enhance quality and productivity and reduces sick leave and personal suffering from work-related muscular disorders. Harmonized international regulations also help reduce advantages in economic competition based on poor and hazardous ergonomic design. Due to the progress in ergonomic knowledge, a comprehensive risk assessment should be used to derive recommended limits for manual materials handling, and attention should be paid to the mass of objects in combination with working postures, frequency, and duration of manual handling which persons may be reasonably expected to exert when carrying out activities associated to manual handling. An ergonomic approach has a significant impact on reducing the risks of lifting and carrying. Of relevance is a good design of the work, especially the tasks and the workplace, which may include the use of appropriate aids.
