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Abstract
The physical workload of ambulance assistants was assessed by means of the Ovako Working posture Analysis System (OWAS) observation method and a Work and Health Questionnaire (WHQ) for measuring perceived workload. In addition, a biomechanical model was applied to several specifically strenuous conditions that were simulated in a laboratory situation. Bad postures were identified for a number of activities: 16% to 29% of a work shift was spent in harmful positions. Strenuous situations occur particularly during rides in emergency situations. The results of observed and perceived workload are generally in agreement. A number of practical recommendations are made. They concern, for example, the equipment in ambulance cars, training of ambulance assistants and adaptations in working procedures.