The document discusses ergonomics and proper posture. Ergonomics is the study of designing equipment and tasks to minimize health risks from repetitive motions or poorly designed workspaces. Maintaining correct posture is important to prevent musculoskeletal disorders. Some examples of correct posture when standing, sitting, and sleeping are provided. Factors that can cause injury include awkward postures, repetition, excessive force, static positions, vibration, and poorly designed tools. Developing an ergonomics program that addresses materials, work methods, breaks, training, health, and personal protective equipment can help reduce risks to workers.