Use of visual perception in estimating static postural stresses: magnitudes and sources of errors

Article Abstract:

The visual estimation of body posture involved in studies that estimate postural classification of people performing tasks on video screens is subject to a sometimes high degree of error. Upper extremity postures were found to be especially hard to classify using purely visual data. Lower extremity positions were found to influence a measurer's assumptions about wrist and arm placement, and neutral and non-neutral postures were harder to identify than flexion and extension.

Measurement, Posture

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An epidemiological appraisal instrument - a tool for evaluation of epidemiological studies

Article Abstract:

A general purpose epidemiological appraisal instrument (EAI) is developed and tested for evaluating the quality of existing or new ergonomic epidemiological studies by using a critical appraisal system rooted in epidemiological principles. The EAI instrument is found to be a valid and reliable appraisal instrument that can be used in different applications, such as systematic reviews and meta-analyses.

Science & research, Methods, Health risk assessment, Epidemiology, Ergonomic aid, Report

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What is demanding lifting job for manual handling workers in Hong Kong?

Article Abstract:

In this investigation, 217 workers from three industries in Hong Kong area were surveyed to determine what constitutes a demanding lifting job from a worker standpoint. It was shown that workers' assessments ate logical and valid, and the worker-based methodology is a promising approach.

Hong Kong, Physiological aspects, Surveys, Workers, Manual work

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