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Ergonomics

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by

Prit Patel

on 12 February 2013

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Transcript of Ergonomics

Computer Ergonomics Ever since we learned how to
press buttons, hours and
hours have passed in front of
ingenious computer. From the Humble age of... To the wise old age of... But have you ever thought of
consequences of.... The study of how the physical health of workers is affected by their workplace.
A study of the relation between people and their work environment.
Ergonomics is simply the science of fitting the person to his or her working environment.
Just because a product may be labeled “ergonomic” does not mean it will be right for you. WHAT IS ERGONOMICS? Is used to prevent injuries and illnesses associated with the design of physical work.
Is used to increase employee safety and comfort and to optimize work performance and quality. ERGONOMICAL DESIGN Room Temperature
Lighting
Air quality
Furniture and Equipment Design Ergonomic Factors Effects on the Company
Poor Quality
Absenteeism
Higher costs
Higher employee Turnover & training Effects on the Operator
Fatigue
Pain
Illness – sprains, back ache, etc
Low morale
Frustration & Irritation Ergonomic Design Explains Posture The Wrist Kids Seniors Carpal Tunnel Syndrome ¥ CARPAL TUNNEL SYNDROME OCCURS WHEN A NERVE IN THE WRIST IS USED OVER AND OVER WITH THE WRONG EQUIPMENT

¥ PRESSURE ON THE MEDIAN NERVE CAUSES SORENESS, TINGLING, AND NUMBNESS IN THE THUMB, INDEX, AND MIDDLE FINGER Eye Fatigue EYE STRAIN EYE STRAIN IS CAUSED DUE TO STARING AT SPECIFIC AREA FOR LONG PERIOD OF TIME THE EYES TEND TO STRAIN FASTER FROM FOCUSING ON NEAR DISTANCES AS OPPOSED TO FAR DISTANCES. SWITCHING BETWEEN DISTANCES RAPIDLY CAN HASTEN THE STRAIN AS WELL NECK STRAIN NECK STRAIN NECK STRAIN OCUURS WHEN THERE IS INCCORECT ANGLE OF VISUALIZING THE VIEW. IT IS ALSO OCCURRENCE OF INCORRECT SITTING POSITION WHILE USING COMPUTER HARDWARE SYSTEM, ALSO THE CHAIR USED TO SIT. Sitting Positing regarding Eyes & Back Correct Leg positioning EQUIPMENT ADJUSTABLE CHAIR CHAIRS THAT ARE ADJUSTABLE ARE MORE RELIABLE THEN THE NON-ADJUSTABLE CHAIRS DUE TO ITS FLEXIBILITY.
GOOD CHAIR PROVIDES NECESSARY SUPPORT TO THE BACK, LEGS, BUTTOCKS, AND ARMS, WHILE REDUCING EXPOSURES TO AWKWARD POSTURES LED MONITORS THIN FLAT PANEL MONITORS AND ADJUSTABLE MONITORS ARE REALLY GOOD BECAUSE OF THEIR SCREEN RESOLUTION MAKING IT OUT STANDING AND VERY EFFICIENT WITH INCREASING OR DECREASING THE SETTINGS. KEYBOARD(WITH) ARM RESTS CERTAIN TYPES OF KEYBOARDS
LETS YOU TILT AWAY FROM YOU
AND ALLOWS YOU TO USE MOUSE
WITH UPPER HANDS
KEYBOARDS WITH ARM RESTS
ARE MORE RELIABLE THEN WITH
OUT BECAUSE THE CTS(CARPAL TUNNEL SYNDROME) WILL NOT OCUUR AS QUICKLY AS SUPPOSE TO KEYBOARDS WITHOUT ARMREST. ENVIRONMENT LIGHTING Levels of lighting must be
appropriate to the task. Fine
detailed work is best carried
out in bright light, as visual
acuity is improved

eg: turns lights of while gaming ROOM TEMPERATURE THE ROOM TEMPERATURE MUST BE MAINTAINED IN ORDER TO MEET THE ERGONOMICS CRITERIA BY HAVING CERTAIN TEMPERATURE IN THE WORKING AREA.

MOST SUGGEST IT MUST BE COLD DUE TO THE HEAT PROCESSING INSIDE COMPUTER CREATING VAST AMOUNT OF HEAT EXPOSURE. NOISE  MOST COMPUTER WORKSTATIONS ARE RELATIVELY QUIET BUT IF PLACED MULTIPLE COMPUTERS IN ONE ROOM WITH SPINNING DISK DRIVES, COOLING FANS CAN PRODUCE LARGE AMOUNT OF NOISE. PRINTERS HAVE ALSO BECOME MUCH QUIETER AS WHERE IF DOT-MATRIX CAN MAKE MUCH MORE SOUND THEN EXPECTED WHERE IN SITUATION MUST APPLY SILENCING COVERS. 
SMALL QUANTITIES OF THESE ARE GENERALLY GENERATED BY CATHODE-RAY-TUBE ALSO KNOWN AS CRT, USED IN MOST VISUAL DISPLAY TERMINAL.
NON - CRT DISPLAYS ELECTROMAGNETIC EMISSIONS WILL BE REDUCED CONSIDERABLY. ELECTROMAGNETIC WAVES
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