Ergonomics and Human Factors

  1. Physical Ergonomics
    1. Workstation Design
      1. Seated Workstations
        1. Chair Design Principles
          1. Desk Height and Depth
            1. Monitor Positioning
              1. Keyboard and Mouse Placement
                1. Footrest Considerations
                2. Standing Workstations
                  1. Work Surface Height
                    1. Anti-Fatigue Measures
                      1. Foot Support
                        1. Postural Variation
                        2. Adjustable Workstations
                          1. Height Adjustability
                            1. Tilt Mechanisms
                              1. User Customization
                              2. Specialized Workstations
                                1. Industrial Assembly
                                  1. Laboratory Benches
                                    1. Control Rooms
                                  2. Manual Material Handling
                                    1. Lifting Principles
                                      1. Safe Lifting Techniques
                                        1. Load Characteristics
                                          1. Lifting Frequency
                                            1. Lifting Duration
                                            2. NIOSH Lifting Equation
                                              1. Equation Components
                                                1. Lifting Index Calculation
                                                  1. Application Guidelines
                                                    1. Limitations
                                                    2. Pushing and Pulling
                                                      1. Force Requirements
                                                        1. Handle Design
                                                          1. Surface Conditions
                                                            1. Body Mechanics
                                                            2. Carrying Tasks
                                                              1. Load Distribution
                                                                1. Carrying Aids
                                                                  1. Distance Considerations
                                                                2. Hand Tool Design
                                                                  1. Grip Design
                                                                    1. Grip Types
                                                                      1. Grip Size
                                                                        1. Grip Shape
                                                                          1. Surface Texture
                                                                          2. Handle Characteristics
                                                                            1. Length and Diameter
                                                                              1. Material Selection
                                                                                1. Orientation
                                                                                2. Force Application
                                                                                  1. Trigger Design
                                                                                    1. Activation Forces
                                                                                      1. Force Direction
                                                                                      2. Vibration Control
                                                                                        1. Vibration Sources
                                                                                          1. Damping Methods
                                                                                            1. Exposure Limits
                                                                                          2. Environmental Factors
                                                                                            1. Illumination
                                                                                              1. Light Levels
                                                                                                1. Light Quality
                                                                                                  1. Glare Control
                                                                                                    1. Task Lighting
                                                                                                      1. Natural Lighting
                                                                                                      2. Thermal Environment
                                                                                                        1. Temperature Effects
                                                                                                          1. Humidity Impact
                                                                                                            1. Air Movement
                                                                                                              1. Radiant Heat
                                                                                                                1. Personal Factors
                                                                                                                2. Noise and Vibration
                                                                                                                  1. Noise Sources
                                                                                                                    1. Noise Effects
                                                                                                                      1. Noise Control
                                                                                                                        1. Vibration Types
                                                                                                                          1. Vibration Effects
                                                                                                                          2. Air Quality
                                                                                                                            1. Ventilation Requirements
                                                                                                                              1. Contaminant Control
                                                                                                                                1. Indoor Air Quality

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                                                                                                                            2. Human Capabilities and Limitations

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                                                                                                                            4. Cognitive Ergonomics