The purpose of this field of ergonomics is to improve productivity and increase employee satisfaction, health and safety.2.2 BENEFIT OF ERGONOMICS Ergonomic improvements to the working environment are Mainly used to create a safer and healthier working environment; companies may experience other benefits, including: • increased productivity • increased quality of work • reduced turnover • reduced absenteeism • increased morale From a safety perspective, Gyekye (2006) highlights that environmental conditions influence employee perception of safety affecting employee commitment. Similarly, extensive scientific research conducted by Roelofsen (2002) has also provided indications suggesting that improving the work environment results in a reduction in the number of complaints and absenteeism and an increase in productivity. 2.3 Sitting and back discomfort The physical causes of back discomfort or cumulative back pain are thought to arise from the same types of ergonomic stresses or risk factors that cause upper musculoskeletal disorders (MSDs)