2. a. Define safety measures
b. Explain computer sitting arrangement
c. Enumerate how to position the monitor
WALT:
3. Definition
Safety Measure: This refers to the necessary
precautions that is to be taken to protect
computer users from certain hazard that may occur
in the course of using the computer .
4. Sitting Arrangement
i. Sit Using Ideal Posture: Since the type of
chair that you use will vary, try to keep the following
criteria in mind:
• Your upper legs should be flat against the bottom
of the chair.
• Your back should be at between 100 and 135
degrees in relation to your legs (if possible).
• Your arms should be tucked near your sides.
• Your shoulders and neck should be relaxed.
• Your eyes should be able to view the screen
comfortably without having to stretch, crane, or
strain your neck or your eyes.
5. ii. Adjust any support for your chair incase of
adjustable arm rests, or any other type of specialized
support, remove if they interfere with your posture.
iii. Sit close to your keyboard. Your keyboard should
be directly in front of your body.
iv. Keep your head elevated. By adjusting your
monitor’s height so that it sits at your actual eye height.
8. Some Safety Measures While Using the Computer
a. Maintain good sitting habit.
b. Use antiglare protection to reduce the radiation
of your monitor screen.
c. Ensure that the computer room is well
illuminated.
d. Avoid overstretching your wrists and fingers.
e. Take deep breath occasionally.
9. Some Safety Measures While Using the Computer
f. Blink your eyes frequently to avoid eye fatigue.
g. The tops of your eyebrows should be level with the
top of the screen.
h. Shake your hands periodically when typing for long
periods of time.
i. Move items you might be using frequently like
documents, files and telephones closer.
j. Take frequent short breaks when performing
repetitive tasks.
10.
11. How to Correctly Position Your Computer Monitor
1. Place the monitor in a location that eliminates
glare on the screen: Reflected glare from your
monitor can cause eyestrain.
2. Place the monitor at a right angle or away from
windows: Glare and bright light directly behind your
screen can also cause eyestrain.
3. Place the monitor directly in front of you:
Placing the monitor directly in front of you prevents
you from twisting your head and neck from viewing
the screen.
12. How to Correctly Position Your Computer Monitor
4. Place the top line of the screen slightly below
eye level: This is to avoid neck/shoulder pain.
5. Place the monitor at least an arm’s length away
from you: The monitor should be at a comfortable
distance away from you, allowing you to view the entire
screen without too much twisting of your head and
neck.
6. Place the monitor so you can clearly read the screen
without bending your head or neck forward or
backward.
13. Evaluation
a. Define safety measure?
b. What is sitting arrangement? Explain it’s
importance in relation to user’s safety.
c. State five safety measures to be taken when
using the computer.
d. State three ways to correctly position your
monitor in order to avoid strain or awkward
postures.
