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Ergonomics. Mazie Fairchild 11-18-05. Ergonomics. What is it? Ergonomics contributes to the design of tasks, jobs, products and environments in order to make them compatible with the needs, abilities, and limitations of people. . Objective of Ergonomic Design.

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Mazie Fairchild


  • What is it?
  • Ergonomics contributes to the design of tasks, jobs, products and environments in order to make them compatible with the needs, abilities, and limitations of people.
objective of ergonomic design
Objective of Ergonomic Design
  • To ensure that humans and technology work in complete harmony, with the equipment and tasks aligned to human characteristics.
  • The job should “fit the person” in all respects without compromising human capabilities and limitations.
  • Improving efficiency, productivity, safety and health in the work setting.
components of ergonomics
Components of Ergonomics
  • Anatomy: Improving tools and equipment to meet all of the various sizes and body types. Understanding the muscles, limbs and posture.
components of ergonomic design cont
Components of Ergonomic Design cont.
  • WorkPhysiology: Energy requirements of the body and standards for acceptable physical work rate, work load and for nutritional requirements.
  • Environmental Physiology:Analyzes the impact of physical working conditions such as thermal, noise, vibration and lighting.
components of ergonomic design cont6
Components of Ergonomic Design cont.
  • Psychology: Human information processing and decision making capabilities including sensory processes, perception, long/short term memory and decision making.
2 types of ergonomic risks
2 Types of Ergonomic Risks
  • Personal
  • Occupational
personal risk factors
Personal Risk Factors
  • Age
  • Stress
  • Level of Fitness
  • Medications
  • Gender
  • Alcohol, Tobacco & Caffeine Use
  • Nutrition
  • Hobbies
occupational risk factors
Occupational Risk Factors
  • Repetition
  • Sustained Exertions
  • Force
  • Awkward Postures
  • Localized Mechanical Pressures
  • Vibration Exposures
  • Temperature Extremes
  • Glare/Lighting Issues
reducing the risk of injury
Reducing the Risk of Injury
  • Educate employees about proper techniques when necessary
  • Use assisted devices or team lifting when necessary
  • Computer ergonomics: proper seating, distance from screen, position of head/neck, arms and legs
  • Reduce the risk factors if applicable
more ergonomic principles
More Ergonomic Principles
  • All work activities should permit the worker to adopt several different, but equally healthy and safe postures
  • Where muscle force has to be exerted it should be done by the largest appropriate muscle group available
  • Work activities should be performed with the joints at about mid-point of their range of movement, particularly the head, neck and trunk
  • P: Promote blood Circulation
  • O: Organize your desk space
  • S: Sit in a slightly reclined position between 100-110 degrees
  • T: Typing technique must be correct
  • U: Understand your work pattern
  • R: Relax your arms, shoulders, neck, back
  • E: Ensure that your feel rest firmly upon the floor