This document discusses occupational health and safety topics such as hazards in the workplace, controlling hazards and risks, and ergonomics. It provides examples of physical, psychological, and biological hazards. It also outlines methods for controlling hazards, such as using personal protective equipment, education and training, and good housekeeping practices. Guidelines are presented for proper ergonomic setup of a computer workstation to prevent injuries.

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PRAYER
Let's bow our head
and feel the
present of our Lord

3. REVIEW
TIME
3
(PRACTICEOCCUPATIONALHEALTH
ANDSAFETY)

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1. It is the anatomical,
physiological, and
psychological
demands on the
worker, such as
repetitive and forceful
movements and
vibration arising to a
improper work
method.
Physical
Hazard
Psychological
Hazard
Ergonomic
Hazard

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2. This kind of
hazard troubles
an individual
very much to an
extent that his
general well-
being is affected.
Psychological
Hazard
Psychosocial
Hazard
Physical
Hazard

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3.This is caused
by organisms
such as viruses,
bacteria, fungi
and parasite
Chemical
Hazard
Biological
Hazard
Physical
Hazard

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At the end of these lesson, the learners should
be able to:
LO 2. Evaluate and control hazards and risks
2.1 Determine the effects of hazards in the
workplace
2.2 Identify the methods in controlling hazards
and risks
2.3 Follow OHS procedures for controlling
hazards and occupational Health and Safety

8. START

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PERSONAL PROTECTIVE
EQUIPMENT

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ERGONOMIC

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SITTING POSTURE

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INJURIES

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Eyestrain

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Lesson 5.
EVALUATE AND
CONTROL HAZARD

15. There are various health
issuesassociatedwith regular
computer usage, such as stress,
eyestrain,and wrist, neckand
back injuries. So in the right side
we have a sample proper sitting
posture.
Computer Workstations
Ergonomics

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Computer- Ergonomic
Guidelines to prevent injuries
Viewing distance:
The monitor
should be 2- 2 ½
feet from the
child’s eyes.

17. Time at computer:
Encourage children
to use their physical
energy
Computer- Ergonomic Guidelines
to prevent injuries

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Seat and height
posture: The child
should sit high
enough to have his
arms bent at 90
Computer- Ergonomic Guidelines
to prevent injuries

19. Footrest: Use it to
prevent dangling
feet
Computer- Ergonomic Guidelines
to prevent injuries

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Mouse: Find
one that fits
small hands.
Computer- Ergonomic Guidelines
to prevent injuries

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Keyboard: Child-
sized keyboards
with light pressure
keying are
recommended.
Computer- Ergonomic Guidelines
to prevent injuries

22. •Posture-related
injuries from
computer use – Pain
in the back and neck,
headaches, and pain
in the shoulder and
arm are common
computer-related
injuries.

23. Computer-related
overuse injuries of
the hand or arm
-With repeated
movements and
uncomfortable
postures, the muscles
and tendons may
become painful.

24. Eyestrain from
computer use
-Focusing your eyes
for long periods of
time at the same
point of distance will
cause fatigue.

25. Injuries from laptop
computers
-The increasing use of laptop
computers has caused
computer users more pains,
strains and injuries.

26. METHOD OF CONTROLS
Emergency
Preparedness
Education
and Training
Good
Housekeeping

27. PERSONAL
PROTECTIVE
EQUIPMENT

28. 28
VIDEO CLIP

29. rubrics

31. Directions: Put an (x) mark on the itemthat
shows the effects of using computer frequently.
31

32. Directions: Put an (x) mark on the itemthat
shows the effects of using computer frequently.

33. Directions: Put an (x) mark on the item that shows the
effects of using computerfrequently.

34. B. Directions: Determine the effects of hazard in the
following situations by choosing your answer from the
words inside the box. Write the letter of your answer in
your activity notebook.
a. Eyestrain b. Back Pain c.Joint Pain
1.Chairs do not give proper back support.
2.Monitor lighting is too dim.
3.Monitor is too close or too far.
4.Chairs are too low or too high.
5.Hands have nowhere to rest (neither on desk or
chair arms).

36. IV.REFLECTION
Directions: Answer the questions below and write
your answer in your activity notebook.
1. Why do we need to identify hazards and risks?
__________________________________________
__________________________________________
_.
2. How can we avoid hazards and risks?
__________________________________________
________________________________________.

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