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In aerospace industries, many working tasks require d their workers to perform works in push-pull activ ity. It is associated with an awkward posture. The awkward posture is a practical working posture when joints are not in neutral pos ition. Furthermore, the workers need to push or pull the mould in a long di stance into a workplace. If the workers perform the activity continuously throughout the working hours, they may be experienc ed back pain problem. The objective of this study i s to measure the maximum acceptable initial force and sustained force for pu sh-pull activity while workers perform their tasks. Besides that, this study also wants to identify which activity can endure longer betwee n push or pull activity. Moreover, this study measu res the comfort level of working posture. The acceptable initial force and sustained force were measured using Push-Pull Analysis, expr essed in Newton, N. The comfort level is measured using Rapid Upper Limb As sessment (RULA) Analysis, expressed in scoring leve l. Both of these assessments are analysis tools Computer-Aided Three-Dimensional Interactive Application (CATIA) software. Six prod uction workers from manufacturing department were participated as subje cts. The results show the maximum acceptable initia l force for push task is 433.942N and pull task is 396.691N. While, the sust ained force for push task is 333.465N and pull task is 318.317N. Referring to the results, pushing activity can endure longer than pu lling activity while workers perform their tasks. W hile the comfort level for this working posture is seven. Based on this study, the authors concluded that push-pull activity can lead to the back pain problem for workers in aerospace industry. It’s was influenced by the work activity, work load, work duration of a wkward posture and distance between workplace.

A STUDY ON PUSH-PULL ANALYSIS ASSOCIATED WITH AWKWARD POSTURE AMONG WORKERS IN AEROSPACE INDUSTRY