Epidemiologists use various methods to study ergonomic risks, including: - Surveys and Questionnaires: Collecting self-reported data from workers about their tasks and any associated discomfort or pain. - Observational Studies: Directly observing and recording workers' postures and movements. - Injury and Illness Records: Analyzing existing data on work-related injuries and illnesses to identify patterns and risk factors. - Ergonomic Assessments: Conducting detailed assessments of workstations and tasks to identify potential ergonomic hazards.