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Ergonomics and Workplace Psychology

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  1. Introduction
  2. Psychosocial factors related to MSD
  3. Physiological factors related to MSD
  4. Relationship between Psychosocial factors and Physiological factors in the Development of MSD
  5. Conclusion & Recommendations
  6. Conclusion

The Musculoskeletal disorders lead to disabilities in places of work. The statistics by the government show that these disorders were responsible for a quarter of benefits from incapacity claims in the United Kingdom. This high occurrence of MSD has been confirmed with published research. For example, random survey that was carried out in large scale in 1995, show that MSD was accountable for 57 percent of reports of illnesses that are work related. Likewise, analysis of data by some researchers in Netherlands showed a 27% report of back pains, 8% problems of chronic back and 24% joint and muscle complains (Bongers et al., 2002). The task performed by environmental and personal factors that are related to MSD, in particular pain at the lower back, have been studied in medicine, psychology, and epidemiology. Demographic variables, physical demands, and psychological conditions importance have been involved. Example of recent prospective lessons shows typical findings.

From the findings it was concluded that psychological, organizational, social factors and mechanical exposures are associated to increased cases of back pain. Similarly, work related psychosocial and physical factors affected both the recurrence and incidence of this pain. Particularly, demand of high work, low control and manual handling, were related to back pain recurrence. A new start of paining backs was found predictable merely by y combining psychosocial and physical work factors inclusive of pulling weights, kneeling, monotonous and stressful and hot conditions of work.

[...] Missing control in duties the work dissatisfaction indicates Positive relation with the upper limits MSDs even though this data may not be supportive. Evidence in the connection between upper limits and the psychological factors looks stronger in the neck or shoulder abnormalities or even to the musculoskeletal signs than for hand or wrist disorders. There are a number of reasons for the relationship of the neck/shoulder disorders. These are: the big number of research carried out in Nordic countries. The studies have dealt more on neck/shoulder health outcome as compared to that of the hand/wrist; the second reason is that a lot of neck/shoulder research incorporates various psychological factors in their features, which the research on hand /wrist have not exhausted, which is a requirement. [...]

[...] Some research results indicate that the back pain disorders are totally not associated with the dissatisfaction at work. These findings however are limited in that they depended on the mailed questionnaires used in the survey as much as workplace factors (biochemical) were not exactly measured too. References Battié, M.C., Main, C.J. & Burton, A.K Back soreness in the workplace: implications of hurt and biopsychosocial models. Boca Raton: CRC Press. Borg, G Perceived exertion as an pointer of somatic stress. Scand J Rehabil Med , pp.92-98. [...]

[...] According to them their main aim of working was: determination of weekly prevalence of symptoms related to MSD, enhancement of understanding on factors that lead to the cause of MSD and examination of beliefs on what leads to MSD and relation of the attributions to the characteristics of job and psychosocial factors Psychosocial factors related to MSD Psychosocial factors are those factors that pose physical risks for instance, posture, repetition and force which are harmful to humans and can cause musculoskeletal disorders to develop. However, researchers have shown that these risk factors need to consideration. These are those factors that might affect the response of workers psychologically in their places of work and work conditions. Some of these psychosocial factors include: tight deadlines, high workloads and unable to control working and work methods. As much as psychosocial risks lead to stress, that is harmful, it can also lead to MSD. [...]

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