[comp.graphics] Arm and shoulder pain

LAL5@NS.CC.LEHIGH.EDU (Leslie A. Lucas) (06/10/91)

I am having problems with my arms and shoulders from drawing with
mouse and light pen.  The repetitiveness of the job damaged my
"artistic arm" and is now hurting the other arm.  Do any of you have a
similar problem?  What are you doing about it?  I have been going from
doctor to doctor, and have found no solution.

kskelm@happy.colorado.edu (06/13/91)

In article <10069111:09:40LAL5@lehigh.bitnet>, LAL5@NS.CC.LEHIGH.EDU (Leslie A. Lucas) writes:
> I am having problems with my arms and shoulders from drawing with
> mouse and light pen.  The repetitiveness of the job damaged my
> "artistic arm" and is now hurting the other arm.  Do any of you have a
> similar problem?  What are you doing about it?  I have been going from
> doctor to doctor, and have found no solution.

   Yes.  After using a mouse for an extended period, my entire hand goes
numb and tingly.  When using the mouse, I am resting the weight of my arm
exactly on the bottom side of my wrist.  I guess it cuts off circulation or
something.  If I do it TOOOO long, the numbness travels all the way to my upper 
arm.

ted@aps1.spa.umn.edu (Ted Stockwell) (06/14/91)

In article <1991Jun13.091117.1@happy.colorado.edu> kskelm@happy.colorado.edu writes:
> 
> In article <10069111:09:40LAL5@lehigh.bitnet>, LAL5@NS.CC.LEHIGH.EDU (Leslie A. Lucas) writes:
> > I am having problems with my arms and shoulders from drawing with
> > mouse and light pen.  The repetitiveness of the job damaged my
> > "artistic arm" and is now hurting the other arm.  Do any of you have a
> > similar problem?  What are you doing about it?  I have been going from
> > doctor to doctor, and have found no solution.
> 
>    Yes.  After using a mouse for an extended period, my entire hand goes
> numb and tingly.  When using the mouse, I am resting the weight of my arm
> exactly on the bottom side of my wrist.  I guess it cuts off circulation or
> something.  If I do it TOOOO long, the numbness travels all the way to my upper 
> arm.

 Avoid putting any weight on the underside of your wrist.  This can
cause things like carpal tunnel syndrome (nerve damage).  Try to rest
your arms on the fleshy part of the forearm.  Some padding such as
a folded towel will also help.  Also, take occasional breaks to give
your arms a rest.

** If something hurts or causes numbness then stop doing it! **

 (and if it hurts, don't continue for "just a little bit more -- I
want to finish what I'm working on".  That's how I developed a very
persistent (and expensive) case of tendonitis.)

--
Ted Stockwell                                     U of MN, Dept. of Astronomy
ted@aps1.spa.umn.edu                          Automated Plate Scanner Project

Ronald_Ramage@mindlink.bc.ca (Ronald Ramage) (06/15/91)

> kskelm@happy.colorado.edu writes:
> 
> Msg-ID: <1991Jun13.091117.1@happy.colorado.edu>
> Posted: 13 Jun 91 15:11:17 GMT
> 
> Org.  : University of Colorado, Boulder
> 
> In article <10069111:09:40LAL5@lehigh.bitnet>, LAL5@NS.CC.LEHIGH.EDU (Leslie
> A. Lucas) writes:
> > I am having problems with my arms and shoulders from drawing with
> > mouse and light pen.  The repetitiveness of the job damaged my
> > "artistic arm" and is now hurting the other arm.  Do any of you have a
> > similar problem?  What are you doing about it?  I have been going from
> > doctor to doctor, and have found no solution.
> 
>    Yes.  After using a mouse for an extended period, my entire hand goes
> numb and tingly.  When using the mouse, I am resting the weight of my arm
> exactly on the bottom side of my wrist.  I guess it cuts off circulation or
> something.  If I do it TOOOO long, the numbness travels all the way to my
> upper
> arm.

I have damaged wings from falling off bicycles at high speeds onto hard
surfaces.  In a standard desk/monitor/keyboard/mouse/tablet setup, my left
arm/wrist is positioned in a way that circulation is compromised.  (This
because of the way some of the bones healed.)  My arm balloons up and needs to
be lifted over my head and kneaded to move the collected fluids along.  For
this reason I have had to alter the setup/placement to accomodate my needs.
What I've done is make myself perfectly comfortable in my chair.  Perfectly
comfortable, able to sit for days without moving.  Then I place the input tool
(Keyboard, trackball, lightpen, tablet) under my fingers as they sit when
perfectly comfortable.  I have used swing-arm holders to accomplish this.  I
also place the monitor(s) to be exactly in my line of sight, no neck craning at
all.  Then I can and have spent days in the chair working away, happy as a
clam.

icousins@actrix.gen.nz (Ian Cousins) (06/16/91)

In article <10069111:09:40LAL5@lehigh.bitnet> LAL5@NS.CC.LEHIGH.EDU (Leslie A. Lucas) writes:
> I am having problems with my arms and shoulders from drawing with
> mouse and light pen.  The repetitiveness of the job damaged my
> "artistic arm" and is now hurting the other arm.  Do any of you have a
> similar problem?  What are you doing about it?  I have been going from
> doctor to doctor, and have found no solution.

I have the same problem which has been getting increasing more difficult
to deal with as time passes. I have had physiotherapy for the shoulder
pain which worked. Tha cause is poor posture which causes the neck to
curve forward and the chin to drop. Exercise to straighten the neck
relieves the pain and improves the posture. The arms are much harder to
cure... my problem has been diagnosed as sever RSI (repetitive strain
injury). It started as a twing in the arm near the elbow ... it then
spread to the wrists and knuckles then fingers. I am having a course of
injections into the wrist (carpal tunnel) to relieve the swelling/
inflammation and I now have to wear wrist splints for support and to
restrict the movement of the wrists.

My specialist says quit the typing and mouse use or risk loss of use of
hands at some later time. I have responded by reducing keyboard/mouse
time to a minimum (sufficient to keep my job and no more than an hour a
day for leisure). I am also investigating the use of alternativemethods
of input.  To date i have found two systems that might be of use: one is
a voice input system (of limited capability) by COVOX (somewhere in US)
 - the other is a pen input system which works with a digitiser tablet
to enable handwritten input, pen sketching, etc. It is called The
Handwritten Data Entry System by Communications Intelligence Corp. which
preofesses to operate with most applications on most operating systems.
It has special templates for use with Autocad, Lotus 123 and
wordPerfect. Check out a piece in "Fortune" Feb 11, 1991 (pg113) on this
technology - also reviews of HDES in "PC WEEK/Business" oct 15 1990,
"Cadence" Jan 1990 page 80 and "ARchitectural & Engineering systems"
august 1988 pg 42.

 also have a refrence somewhere to an organisation in the Us who are up
with the play interms of aids for the disable who might have further
info.

If you get furhter info yourself I can be contacted as follows:

icousins@lyncus.actrix.gen.nz
Ian.Cousins@actrix.gen.nz
Email preferred  :)
-- 
Ian Cousins               \\    //    Email  Ian.Cousins@actrix.gen.nz
PO Box 12057                \\//     
Thorndon PO                 //\\      Phone  +64 4 835262 (Voice GMT +12)
Wellington, New Zealand   //    \\    

vernak@cateye.LABS.TEK.COM (Verna Knapp) (06/18/91)

In article <1991Jun16.040543.9152@actrix.gen.nz> icousins@actrix.gen.nz (Ian Cousins) writes:
>In article <10069111:09:40LAL5@lehigh.bitnet> LAL5@NS.CC.LEHIGH.EDU (Leslie A. Lucas) writes:
>> I am having problems with my arms and shoulders from drawing with
>> mouse and light pen.  The repetitiveness of the job damaged my
>> "artistic arm" and is now hurting the other arm.  Do any of you have a
>> similar problem?  What are you doing about it?  I have been going from
>> doctor to doctor, and have found no solution.
>
>I have the same problem which has been getting increasing more difficult
>to deal with as time passes. I have had physiotherapy for the shoulder
>pain which worked. Tha cause is poor posture which causes the neck to
>curve forward and the chin to drop. Exercise to straighten the neck
>relieves the pain and improves the posture. The arms are much harder to

Another related problem is shortening of the muscles which turn the
head. Counting my commute, I spend about 14 hours a day looking *forward*.
Now I have trouble with my neck due to shortened muscles. The poor 
posture problem also shortens these muscles. 

One way to help this is to lower your monitor as much as possible so
you can look down at it. I am using an anthrocart which has the table
top on my knees, and I have taken the pizza box out from under my
sun and put it on the floor. If I could remove the "ergonomic" tilt
and swivel monitor support to drop it a couple more inches, I would.
In fact I would like to drop the monitor into a hole that would place it about
6 inches lower. And I have a relatively long body. This would be worse
for a short person. And watch out when you get bifocals! If you have
to look through the lower part of your glasses to see the screen, you
will have to lower the screen or raise your chin to see. Lowering the
screen enough is usually not possible, and raising your chin shortens
those neck muscles. 

>cure... my problem has been diagnosed as sever RSI (repetitive strain
>injury). It started as a twing in the arm near the elbow ... it then
>spread to the wrists and knuckles then fingers. I am having a course of
>injections into the wrist (carpal tunnel) to relieve the swelling/
>inflammation and I now have to wear wrist splints for support and to
>restrict the movement of the wrists.
>
Other ways to reduce carpal tunnel problems from mouse use include learning
to mouse with either hand (assuming your mouse cord is long enough to
allow this), and flattening hierarchical menus. Put all commonly used
functions in the top level menu, and more rarely used ones at lower 
levels. I am using a menu system which has the search and replace function
three clicks down :-(. And it won't do a global replace which includes
a CR. The principle involved here is the same as that in good kitchen
design...put frequently used things where you can get them easily, and
rarely used things in the less accessible spots. Yes, this can easily
mean longer menus. I am about to revise mine on this system. 

Yet another thing which helps reduce hand numbness is a very well padded
steering wheel on your car if you have a long commute. When I started my
current 1 hour 45 minute each way commute, my hands tried to self destruct,
including numbness and joint pain. I got a sheepskin cover with very
dense wool on it. That helped a lot.

When things are really bad, I find that antihistamines will reduce
the numbness and swelling. And of course, aspirin for the joint problems.

Verna Knapp
vernak@crl.tek.com