The science concerned with designing safe and
comfortable machines for use by people
Tips to ensure comfortability
Right lighting
Nota:
Reduces eyestrain, neck strain and headaches.
A proper desk
Nota:
Helps find the perfect working position.
Should be deep enough to support your arms when working
Computer screen level
Nota:
At eye-level or just below.
For optimal comfort, set about 45 cm from face
Posture
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Sit up straight, keep feet flat on the floor and knees slightly lower than thighs
Choice of chair
Nota:
Lets you tilt forward to reach
Typing technique
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Hold your fingers, wrists and lower arms in a straight line from your keyboard
Equipment
Nota:
Keep equipment that you use a lot like telephone and computer keyboard within a distance of about 75 cm.
Keep other storage and equipment further away encouraging you to change working positions during the day.
Definitions
Eye Strain
Nota:
Sore, tired eyes often caused by staring at a computer screen for long periods of time
RSI
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Damage to the fingers and wrists due to repeated movements over a long period of time
Back strain
Nota:
Discomfort or pain in the back and lumbar areas of the body
Adjustable chair
Nota:
A chair that can be lowered or raised to suit the height of the user. The back can also be tilted into the correct position to support the back.
Food and drink
Nota:
Edible and liquid items that shouldnt be placed next to a computer incase they spill into the keyboard
Wrist support pad
Nota:
A gel filled pad which is placed under the wrists due to repeated movements over a long period of time
Deep Vein Thrombosis
Nota:
A blood clot which can form in the deep veins in the leg after sitting for long periods of time with no activity of the limbs
Foot rest
Nota:
A device that is placed under the desk. The angle and height can be adjusted so that the user can comfortability place their feet on it.
Information Overload
Nota:
A psychological condition where a person becomes overwhelmed and feels unable to cope. Often brought about by changes at work, a too heavy workload or a very fast faced environment.
Health and saftey work act (1974)
Nota:
The legislation that ensures that employers provide a safe working environment for all staff
Eye test
Nota:
An examination that should be performed at least once a year if you need to wear glasses for using a computer