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Standard Ergonomic Assesments

NIOSH

The revised NIOSH equation introduced in 1991, to analyze simple lifting tasks. This equation was designed to assist in the identification of ergonomic solutions for reducing the physical stresses associated with manual lifting. The implementation of this tool in the digital human will help in evaluating lifting tasks, which could prevent lower back injury. The lifting equation is a tool designed for a two handed, manual lifting operation. The equation is based on biomechanical, physiological and psychophysical data. We are primarily interested in implementing it to analyze a lifting task. The NIOSH equation cannot account for all possible factors leading to injuries, but it is likely to protect most healthy workers performing lifting tasks from lower back injuries.

Liberty Mutual

The Snook tables (Liberty Mutual Tables) are a collection of data sets compiled from studies based on a psychophysical approach to material-handling tasks. These tables are used to determine safe loads for lifting, lowering, carrying pulling, and pushing. The tables take into account different population percentiles, gender, and frequency of activity. The Liberty Mutual tables make some assumptions, such as a standard break schedule is used, work occurs in the horizontal plane, and that all tasks being assessed are 2-handed. Despite these restrictions, the Liberty Mutual tables have proven useful in automotive assembly in reducing the risk associated with manual material handling tasks.

NIOSH

NIOSHThe revised NIOSH equation introduced in 1991, to analyze simple lifting tasks. This equation was designed to assist in the identification of ergonomic solutions for reducing the physical stresses associated with manual lifting. The implementation of this… Read More »

Liberty Mutual

Liberty MutualThe Snook tables (Liberty Mutual Tables) are a collection of data sets compiled from studies based on a psychophysical approach to material-handling tasks. These tables are used to determine safe loads for lifting, lowering, carrying pulling, and pushing.… Read More »