A comprehensive lifting model: beyond the NIOSH lifting equation

Article Abstract:

Research was undertaken to establish a comprehensive lifting model (CLM) for the use in manual lifting tasks in the workplace. The model was developed with consideration of the revised NIOSH lifting equation. Two CLMs were devised, one for the use of individuals and a second model for use of groups of people working together. The model was constructed using psychophysical information followed by an evaluation which introduced biomechanical and physiological elements.

Health Care and Social Assistance, HEALTH SERVICES, Employee Health & Safety

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Lifting low-lying loads in the sagittal plane

Article Abstract:

A geometrical model was used to explore lifting techniques in various plane lifts such as static and saggital plane lifts. Approximate results are expected due to the static nature and anatomical simplicity of the model. Results indicate that vertical back lifting is hazardous due to pressure on the low back, hip, knee and ankle joints. The best load lifting technique is that which efficiently uses all joints and muscles.

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The measurement and prediction of isometric lifting strength in symmetrical and asymmetrical postures

Article Abstract:

A study that measures and predicts the isometric lifting strength in symmetrical and asymmetrical postures was conducted on 23 men and 23 women in three studies. The lifting strength was calculated and a predictive model for isometric lifting strength in various symmetric and asymmetric postures was developed. Results indicate that the model developed provides accurate predictions for one and two-handed exertions.

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