The souse should be at about the same level as the keyboard. D. The keyboard should be placed on an adjustable shelf below the desktop. 2. An ideal chair for the workplace does all of the following EXCEPT a. Include lumbar support that fits into the curve of your lower back b. Allow your feet to be flat on the ground c. Support your legs without applying pressure to the back of your knees d. Allow legs to make contact with the sides of the chair 3. Incorrect placement of your keyboard can cause headaches b. Stress fractures c. Carpal tunnel syndrome d. Sore neck 4. To reduce wrist strain, use a . Airless keyboard b. Trackball c. Wrist rest d. An adjustable chair . A. Migraine 5. Is the science of fitting the workspace to the worker. A. Congeners b. Metrics c. Ergonomics d. Biometrics 6. Which of the following is NOT a preventative measure for computer vision syndrome? A. Placing the monitor off-center b. Avoiding glare on the screen c. Placing the monitor at the correct height d. Placing the monitor at the correct distance 7. Which of the following is NOT an action to prevent eye strain while working at a monitor? A. Focus on one spot on the screen for long periods of time b.
Use proper lighting c. Blink your eyes frequently d. Look away from the screen every few minutes Which of the following is NOT a symptom of eye strain? 8. A. Tired or itchy eyes b. Blurred or double vision c. Spots floating in front of your eyes d. Difficulty in shifting focus between monitor and source documents 9. Which objects should be at about the same height? A. The monitor and the keyboard b. The keyboard and the mouse c. The monitor and the mouse d. All three-monitor, mouse, and keyboard 10. The keyboard should be positioned so your forearms are angled down slightly while you are typing b. Realer to the floor while you are typing c. Angled upward slightly while you are typing d. Resting on the keyboard 1 1 -Evaluate Your Workstation Task: Evaluate your workstation for healthy computing practices. Assignment: Using the evaluation checklist developed by OSHA, evaluate your working area. The evaluation checklist can be found at www. OSHA. Gob/SALT/ tolls/consubstantiation’s/checklist. HTML. 1 . Head and neck to be upright, or in-line with the torso (not bent down/back). If “no” refer to Monitors, Chairs and Work Surfaces. Yes 2. Head, neck, and trunk to face forward (not twisted).
If “no” refer to Monitors or Chairs. Yes 3. Trunk to be perpendicular to floor (may lean back into backrest but not forward). If “no” refer to Chairs or Monitors. Yes 4. Shoulders and upper arms to be in-line with the torso, generally about perpendicular to the floor and relaxed (not elevated or stretched forward). If “no” refer to Chairs. Yes 5. Upper arms and elbows to be close to the body (not extended outward). If “no” refer to Chairs, Work Surfaces, Keyboards, and Pointers. Yes 6. Forearms, wrists, and hands to be straight and in-line (forearm at about 90 degrees to the upper arm).
If “no” refer to Chairs, Keyboards, Pointers. Yes 7. Wrists and hands to be straight (not bent up/down or sideways toward the little finger). If “no” refer to Keyboards, or Pointers yes 8. Thighs to be parallel to the floor and the lower legs to be perpendicular to floor (thighs may be slightly elevated above knees). If “no” refer to Chairs or Work Surfaces. Yes 9. Feet rest flat on the floor or are supported by a stable footrest. If “no” refer to Chairs, Work Surfaces. Yes SEATS NC-consider these points when evaluating the chair: 10. Backrest provides support for your lower back (lumbar area). Yes 1 .
Seat width and depth accommodate the specific user (seat pan not too big/small). No 12. Seat front does not press against the back of your knees and lower legs (seat pan not too long). Yes 13. Seat has cushioning and IS rounded with a “waterfall” front (no sharp edge). Yes 14. Armrests, if used, support both forearms while you perform computer tasks and they do not interfere with movement. NO “No” answers to any oftenest questions should prompt a review of Chairs. KEYBOARD/INPUT DEVICE-consider these points when evaluating the keyboard or pointing device. The keyboard/input device is designed or arranged for doing computer tasks so the Y 15.
Keyboard/input device platform(s) is stable and large enough to hold a keyboard and an input device. Yes 16. Input device (mouse or trackball) is located right next to your keyboard so it can be operated without reaching. Yes 17. Input device is easy to activate and the shape/size fits your hand (not too big/small). Yes 18. Wrists and hands do not rest on sharp or hard edges. Yes “NO” answers to any Of these questions should prompt a review Of Keyboards, Pointers, or Wrist Rests. MONITOR-Consider these points when evaluating the monitor. The monitor is designed or arranged for computer tasks so the Y 19.
Top of the screen is at or below eye level so you can read it without bending your head or neck down/back. Yes 20. User with bifocals/trifocals can read the screen without bending the head or neck backward. Yes 21 . Monitor distance allows you to read the screen without leaning your head, neck or trunk forward/backward. Yes 22. Monitor position is directly in front of you so you don’t have to twist your head or neck. Yes 23. Glare (for example, from windows, lights) is not reflected on your screen which can cause you to assume an awkward posture to clearly see information on your screen.
Yes “No” answers to any oftenest questions should prompt a review of Monitors or Lighting/Glare. WORK AREA-Consider these points when evaluating the desk and workstation. The work area is designed or arranged for doing computer tasks so the Y 24. Thighs have sufficient clearance space between the top of the thighs and your computer table/keyboard platform (thighs are not trapped). Yes 25. Legs and feet have sufficient clearance space under the work surface so you are able to get close enough to the keyboard/input device. Yes ACCESSORIES-Check to see if the 26.
Document holder, if provided, is stable and large enough to hold documents. Yes 27. Document holder, if provided, is placed at about the same height and distance as the monitor screen so there is little head movement, or need to re-focus, when you look from the document to the screen. Yes 28. Wrist/palm rest, if provided, is padded and free Of sharp or square edges that push on your wrists. Yes 29. Wrist/palm rest, if provided, allows you to keep your forearms, wrists, and hands straight and in-line when using the keyboard/input device. Yes 30.
Telephone can be used with your head upright (not bent) and your shoulders relaxed (not elevated) if you do computer tasks at the same time. “No” answers to any oftenest questions should prompt a review of Work Surfaces, Document Holders, Wrist Rests or Telephones. GENERAL 31 . Workstation and equipment have sufficient adjustably so you are in a safe working posture and can make occasional changes in posture while performing computer tasks. Yes 32. Computer workstation, components and accessories are maintained in serviceable condition and function properly. Yes 3.
Computer tasks are organized in a way that allows you to vary tasks with other work activities, or to take micro-breaks or recovery pauses while at the computer workstation. Yes “No” answers to any oftenest questions should prompt a review of Chairs, Work Surfaces, or Work Processes. 12. Learn More About Computer-Related Health Problems Task: Research a computer-related health problem. Assignment: Go to the URL given in the Resource section, and provide the following information. List two musculoskeletal disorders (Mass). Answer: carpal tunnel syndrome and tendonitis 2. If your feet do not reach the floor, what should you use?