Findings of the study reported that nurses perceived

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findings of the study reported that nurses perceived back and shoulder stress rating to reduce afterintervention. Also, the back and shoulder injuries decreased after intervention. Finally, the studyfound that the number of lost days or transitional days reduce indicating maximum input. Whilethis study gives detailed insight, the study is limitation in its analysis power as a sample of 5733
participants is small. Moreover, there are no inferential statistics to strongly support the differencebetween the intervention and control group. Feuerstein et al.(2004) the effect of an ergonomic intervention on work-related upper extremitysymptoms with an addition of a stress management program. The participants selected were fromthe World Bank in Washington DC and had to have the upper extremity symptoms. A total of 93participants were included in the study and they were divided into two groups, one for anergonomic intervention only and the other for an ergonomic intervention with a job stressmanagement program. A pre and post intervention data collection procedure was used where datawas obtained at the baseline, three months and twelve months after intervention. The findings ofthe study were able to reveal that the ergonomic interventions in the two groups led to a reductionin pain, upper extremity symptoms, and functionality of personnel. Noticeably, stress managementhad no significant effect on the above –mentioned attributes. Earle-Richardson et al.(2005) investigated the impact of an ergonomic intervention on the backstrain of apple harvesting employees in New York. It included 14 apple harvesters who wererequired to use modified harvest bag with a hip belt. The mode of data collection was interviews inwhich the selected apple workers suggested that the hip belt negatively affected their work byslowing their pace of apple collection. They also indicated that they felt that the intervention worknegatively impact productivity. Rivilis et al.(2008) conducted a systematic literature review to examine how effectiveparticipatory ergonomic interventions is on health outcome. They used six databases to search foreligible articles. Overall, 23 articles were found to be relevant and were included in the finalanalysis. The review of these studies indicated that participatory ergonomic intervention positivelyimpacted musculoskeletal symptoms. Moreover, there were less injuries, few compensationclaims, and a decrease in lost days due to sickness absenteeism. In support to the finding of thesystematic literature review by Rivilis et al.(2008), Pehkonen et al.(2009) also evaluated the34
impact of a participatory ergonomic intervention on kitchen work. Using 59 kitchens divided intothree to five groups, workers were involved in different ergonomic intervention processes thatwere eventually evaluated using data collected via diaries, focus groups, interviews, andquestionnaires. The study found that a participatory ergonomic intervention resulted in improved

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