Video based lifting technique coding system

Article Abstract:

The Video Based Lifting Technique Coding System (VidliTeC System) was developed to enhance biomechanical analysis techniques. The system is equipped with a coder that reviews the videotape of the lifting task in static postures at four picture frames. The coder uses a Scantron readable VidliTeC form in determining the spatial position of each videotape segment. The System can be easily understood and applied because it does not require high-tech equipment and a highly trained personnel, and because it is able to collect data without disrupting normal business operations.

Usage, Lifting and carrying, Camcorders, Image coding

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Use of NIOSH equation inputs to calculate lumbosacral compression forces

Article Abstract:

Two regression-based models that use NIOSH lifting equation H and V values were developed for an efficient calculation of L(sub 5)/S(sub 1) compression forces during symmetrical load-bearing tasks. While Model 1 used regression equations to calculate the moment arm from the load, and the upper body center of mass, to the L(sub 5)/S(sub 1) joint, Model 2 predicted compression force directly with one equation that used the same inputs as Model 1. Both models were able to estimate the maximum and minimum expected trunk angles for all possible H and V combinations.

Prevention

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Choice of optimization models for predicting spinal forces in a three-dimensional analysis of heavy work

Article Abstract:

The choice of low-back optimization-based models has a significant effect on the magnitude of spinal compression forces estimated for working postures. The models used to compute shear and compression forces applied on the spine provided different predictions. The Minimum Stress-Compression model gave the highest value of the compression forces.

Injuries, Vertebrae, Lumbar, Lumbar vertebrae

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