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Which of the following is not considered an ergonomic stressor?

  1. Improper lifting techniques

  2. Job rotations

  3. Poor posture habits

  4. Repetitive motions

The correct answer is: Job rotations

Job rotations are not considered an ergonomic stressor because they help reduce ergonomic stress on employees by allowing them to switch between different tasks and positions, thus minimizing the risk of overuse injuries from repetitive motions. In contrast, improper lifting techniques, poor posture habits, and repetitive motions are known ergonomic stressors that can lead to musculoskeletal disorders and injuries in the workplace.