Don B. (University of Michigan, Ann Arbor, USA) Chaffin & Nico J. (TNO Human Factors, Soesterberg, The Netherlands) Delleman 
Working Postures and Movements 

In most industries, musculoskeletal injuries are the most common work-related reason for employee absences. These injuries are often caused by static postures or repetitive movements that have to be maintained for many hours a day, such as intensive use of data entry devices, assembly work, parts inspection, equipment maintenance, manual materials