Lecture 15--ICS 131--Fall 2000-13 Nov 00
Review of Lecture 14--Computers and Elections
Counting the vote
Impact of computers
Computer Health and Safety
•Cornells' Ten points
•Odds and ends
•draft of 10 October 00 and later
•"The rules are designed to combat injuries
caused by workers doing the same task repeatedly,
sometimes know as repetitive-stress disorders, and
require business owners to take specific steps
to help workers with such injuries and
to prevent additional injuries from occurring."
WSJ, 8 Nov 00, B2
•"Businesses with a worker who experiences
a single injury covered by the rule
would be required to set up a comprehensive program
to address the problem in that job."WSJ, 8 Nov 00, B2
•assign someone to oversee the program
•training workers and supervisors to recognize
and deal with ergonomics-related injuries
•figuring out how to eliminate or
sharply reduce hazards
•provide injured workers with medical care and
time off at reduced pay
Example of hazardous task
"...using a computer keyboard and/or
a computer mouse "in a steady manner
for more than four hours total in a workday..."
Holmes, Steven A. Clinton seen issuing work rules
that stalled spending agreement, NY Times, 11 Nov 00, A1, A8
The ABC’s & DE’s of Computer Health and Safety
•Computers can be dangerous to your health
Eyes, wrists, arms, back, neck
Why? What causes problems?
(Pascarelli & Quilter, RSI)
Strained & Constrained Posture
A deconditioned workforce
Incentive programs & overtime
Not quite a complete list
•Most important thing to remember
•Best protection against dangers
•Moderate activity--15 minutes/2 hours
•Intensive activity-- 15 minutes/1 hour
•Get up, Non-computer work, Relax
•Wrists--straight in both dimensions
•Wrist rests, braces
•Forearms--parallel to floor
•Thighs--parallel to floor
•Feet--flat on floor, footrest
•Adjust furniture, Exercises
•CTD--cumulative trauma disorders
•RSI--repetitive stress injuries
Seven P's (Pascarelli & Quilter, RSI)
•Health effects of monitor radiation--debatable
•Probably not deadly, but some evidence of problems
•Monitor should meet MPRII guidelines
•2.5 feet from front of monitor
•4.0 feet from side and back of monitor
•Powerdown when not using monitor
•Pregnant women should take special precautions
•Eye examination by an eye care professional
•Refocus for 5-10 seconds every 10 minutes
•Copy holder, copy stand
Ergonomic guidelines for arranging a Computer Workstation
--10 tips for users
1. How will computer be used?
one person, many people
few minutes a day, more than one hour/day
2. What kind of computer?
desktop or laptop
3. What furniture will you use?
4. What chair will be used?
5. What kind of work will the computer be used for?
6. What can you see?
7. Posture, posture, posture!
Keep it close!
A good workstation ergonomic arrangement
8. Where will computer be used?
Lighting, Ventilation Noise
9. Take a break
10. What about ergonomic gizmos?
Pascarelli & Quilter--
Repetitive Strain Injuries:
A Computer Users Guide
Environmental Health & Safety
Page on ICS website:
Computer Health & Safety
pointer to exercises
Children and Computer Health and Safety
•Using adult furniture and equipment
•Who is watching out for them?
•Cornell web site
we didn't know
we'll put on warning labels
gave up on legal error
convinced jury that keyboard
award of $6 million
overturned on appeal
San Francisco effort killed
What about UCI?
Some concern for faculty and staff
Students? not big users
Furniture advice, presentations, literature
Not really concerned
Money to help purchase ergonomically
Sheedy--UCB, Dr Ergo
H&S tape to interactive learning center