lder injury for a one-time lifting task comparing task moment to an individual's capacity. Liberty Mutual Tables - Based on psychophysical experimentation, determines the maximum acceptable weight for a lifting/lowering task, push/pulling task, and carrying task given selected job characteristics. Tables are accessible from the Lifting/Manual Material Handling Job Review and Analysis Options. AAMA Metabolic Model - Evaluates the risk of physical exertion strain for a task. Anthropometry Analysis - Determines proper workplace dimensions for various body sizes. Detailed Checklist For Computer (VDT) Workstation Risk Analysis - Presents the recommended characteristics of a VDT workstation. Work practice controlsWork practice controls involve training and encouraging a specific method of task performance to reduce worker exposure to the ergonomic risk. An example of work practice control is training workers in proper lifting techniques. Case Study;The BarmanDescriptionWorkers unload cases of soda cans and bottles from trucks and the storeroom, carting them to and stacking them on the premises. Method Which Verified HazardNIOSH recommended weight limit lifting criteria was exceeded for most lifting tasks. Method Which Identified HazardAn injury and illness rate of 18.5 per 100 full-time workers put the industry among the top 12 for injury frequency and top 5 for severity according to NIOSH studies. Ergonomic Risk Factor (Force) An average lift of 34,000 pounds each day was performed by each worker. Lifting of up to 45,000 pounds a day might have been required for some workers because of case content inequities. Ergonomic Risk Factor (Posture) Extended reach is required by delivery workers to unload the trucks. Ergonomic Solution (Engineering Controls) Pullout steps, external handles and multilevel shelving have been installed in delivery trucks to make access to beverage cases easier. Counterbalancing devices have been added to improve hand t...
