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Work Station Ergonomic Assessment

Work Station Ergonomic Assessment. PERFORMANCE OBJECTIVES. Upon Completion Of This Module You Will Be Able To: Conduct a workstation assessment Assess work area layout Assess your personal habits/behaviors. Benefits of ergonomics. Ergonomics helps to prevent injuries

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Work Station Ergonomic Assessment

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  1. Work Station Ergonomic Assessment

  2. PERFORMANCE OBJECTIVES Upon Completion Of This Module You Will Be Able To: • Conduct a workstation assessment • Assess work area layout • Assess your personal habits/behaviors

  3. Benefits of ergonomics • Ergonomics helps to prevent injuries • Ergonomics has other benefits • Improved quality of work • Improved quality of life • Reduced fatigue and discomfort

  4. WHAT IS ERGONOMICS ? • Ergonomics is the science and practice of designing jobs and workplaces to match the capabilities and limitations of the human body. • Ergonomics means “fitting the job to the worker”

  5. What are Musculo SkeletalDisorders (MSDs)? • Also known as: • Cumulative Trauma Disorders (CTDs) • Repetitive Motion Injuries (RMIs) • Overuse injuries • Soft tissue injuries • Usually develop gradually, but sometimes can appear suddenly • Can be serious, if not taken care of early

  6. What causes WMSDs? • Risk Factors • Awkward Postures • High Hand Force • Repetitive Motions • Repeated Impacts • Heavy, Frequent, or Awkward Lifting • Moderate to High Vibration

  7. Risk Factors • Risk of injury depends upon: • Duration of exposure (how long) • Frequency of exposure (how often) • Intensity of exposure (how much) • Combinations of risk factors

  8. Risk Factors • Duration - usually need hours of exposure before risk factors become a concern • Can be all at one time or cumulative over the day

  9. Awkward Positions

  10. Working Conditions • Forearms, wrists, and hands to be straight and parallel to floor (not pointing up/down) • Wrists and hands to be straight (not bent up/down or sideways towards little finger) • Upper arms and elbows to be close to body (not extended outward).

  11. Wrist Orientation Extension Ulnar deviation Flexion

  12. KEYBOARD/INPUT DEVICE • Keyboard/input device platform(s) is stable and large enough to hold keyboard and input device. • Mouse is located right next to keyboard so it can be operated without reaching.

  13. KEYBOARD/INPUT DEVICE • Mouse is easy to activate and shape/size fits hand of specific employee (not too big/small). • Wrists and hands do not rest on sharp or hard edge.

  14. ACCESSORIES • Wrist rest, if provided, is padded and free of sharp and square edges. • Wrist rest, if provided, allows employee to keep forearms, wrists and hands straight parallel to ground when using keyboard/input device.

  15. WORKING CONDITIONS • Head and neck to be about upright (not bent down/back). • Head, neck and trunk to face forward (not twisted).

  16. WORKING CONDITIONS • Trunk to be about perpendicular to floor (not leaning forward/backward) • Shoulders and upper arms to be about perpendicular to floor (not stretched forward) and relaxed (not elevated).

  17. MONITOR • Top line of screen is at or below eye level so employee is able to read it without bending head or neck down/back. • Employee with bifocals/trifocals is able to read screen without bending head or neck backward.

  18. MONITOR • Monitor distance allows employee to read screen without leaning head, neck, or trunk forward/backward. • Monitor position is directly in front of employee so employee does not have to twist head or neck. • No glare (e.g., from windows, lights) is present on the screen which might cause employee to assume an awkward posture to read screen.

  19. ACCESSORIES • Telephone can be used with head upright (not bent) and shoulders relaxed (not elevated) if employee does VDT tasks at the same time.

  20. Neck bent more than 30º For more than 2 hours per day

  21. SEATING …. The Chair • Backrest provides support for employee's lower back (lumbar area) • Seat width and depth accommodate specific employee (seatpan not too big/small) • Feet to rest flat on floor or be supported by a stable footrest.

  22. SEATING …. The Chair • Seat front does not press against the back of employee's knees and lower legs (seatpan not too long). • Thighs to be about parallel to floor and lower legs to be about perpendicular to floor. • Seat has cushioning and is rounded/ has "waterfall" front (no sharp edges)

  23. SEATING …. The Work Area • Thighs have clearance space between chair and VDT table/keyboard platform (thighs not trapped). • Legs and feet have clearance space under VDT table so employee is able to get close enough to keyboard/input device.

  24. ACCESSORIES • Document holder, if provided, is stable and large enough to hold documents that are used. • Document holder, if provided, is placed at about the same height and distance as monitor screen so there is little head movement when employee looks from document to screen.

  25. GENERAL • Workstation and equipment have sufficient adjustability so that the employee is able to be in a safe working posture and to make occasional changes in posture while performing tasks. • VDT Workstation, equipment and accessories are maintained in serviceable condition and function properly.

  26. Conclusion • Ergonomics is the interaction of a person with their work environment. • Comfort is important • Understanding body positioning basics is key • Please call me if you have questions Thomas Smith x2518

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