1. COMPUTERS AND THE INDIVIDUAL

2. THIS LESSON INCLUDES
Ergonomic Issues
Health Issues

3. ERGONOMICS
Ergonomics is the study of the physical relationship between people and their tools – such as computers.
Extended or improper computer use may result in a number of ailments, such as:
Carpal Tunnel Syndrome
Repetitive Stress Injuries
Eye Strain
Muscle Strain
Back Strain

4. CARPAL TUNNEL SYNDROME
REPETITIVE STRESS INJURIES
Repetitive stress injuries (RSIs) result from using the body continuously in ways it was not designed to work.
RSIs appeared when people spend a lot of time using the computer keyboard and mouse.
CARPAL TUNNEL SYNDROME
Carpal tunnel syndrome is a common type of repetitive stress injury, which may be caused by extended or improper use of a computer keyboard.

5. TO AVOID REPETITIVE STRESS INJURIES:
USE ERGONOMICALLY CORRECT FURNITURE:
ERGONOMIC CHAIR
Height adjustable
Lower-back support
Arm rests
ERGONOMIC KEYBOARD

6. TO AVOID CARPAL TUNNEL SYNDROME: FOLLOW PROPER ERGONOMIC TECHNIQUES!
Feet on the floor
Knees under the desk
Butts Back! Backs Up!
Elbows parallel to the floor
Wrists Off the Desk
Hands Curved
Fingers on the Home Row
Fingers Curved
Type with the Fingertips

7. EYESTRAIN
Many computer users find their vision deteriorating after a while.
This is caused by using the PC too long, poor positioning, or other factors.

8. TO AVOID EYESTRAIN: USE A MONITOR THAT
Place The Monitor From 2 To 2 ½ Feet Away
Avoid Staring At The Screen Too Long
Avoid Glare
Keep The Screen Clean
Adjust the monitor to eye level
or slightly lower
Good lighting
USE A MONITOR THAT
Holds A Steady Image Without Flickering
Easy to read

10. TO REDUCE STRESS AND STRAIN
Good Lighting
Use Proper Ergonomic Technique
Take Frequent Breaks Away From The Computer