Climate assessment indices

Article Abstract:

Four physical factors, humidity, air temperature, heat reduction and air velocity and the personal factors, clothing and metabolism, contribute to climate stress. Climate indices involving these parameters help evaluate the climatic conditions. Climate indices derived from climatic parameter measurements do not include the personal parameters, while those derived from empirical physiological strain evaluation help assess climatic stress directly. The third and analytical heat loss calculation-based group of indices include the thermophysiological response of humans to stress. Validity of different groups of indices varies with the climate stress range to which they are applied.

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Practical issues in the assessment of heat stress

Article Abstract:

The multitude of factors that lead to heat load on a worker pose a problem to the industrial practitioner in the evaluation of heat stress. Correlating heat stress to the physiological responses of the worker requires the use of heat stress indices that should be assessed on the basis of performance, comfort and acute health effects. An analysis of several indices by the Commission of the European Communities research program reveals that the Required Sweat Rate is a reliable indicator of industrial heat strain. Primary measurements for heat stress determination include measurement of metabolic rate, clothing parameters and environmental factors.

Work environment, Fever, Hyperthermia

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Can back supports relieve the load on the lumbar spine for employees engaged in industrial operations?

Article Abstract:

Biomechanical, psychophysical and physiological effects of back supports on the human spine and the use of back supports in controlling injury in the workplace are analyzed to reveal that more than one factor is responsible for the stability of the spine. These factors may affect collectively or individually to stabilize the trunk. Ergonomics of back supports as an corporate policy is discussed.

Research, Backache, Back pain, Vertebrae, Lumbar, Lumbar vertebrae

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