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- Path: sparky!uunet!destroyer!gatech!concert!ais.com!bruce
- From: bruce@ais.com (Bruce C. Wright)
- Newsgroups: comp.os.vms
- Subject: Re: End-user on-line Motif tutorial
- Message-ID: <1993Jan26.121202.5964@ais.com>
- Date: 26 Jan 93 12:12:02 GMT
- References: <01GTRC5F4HTS9JD28H@kbs.msu.edu>,<23JAN199309331004@cvdv99.mayo.edu> <1993Jan26.090645.18068@slcs.slb.com>
- Organization: Applied Information Systems, Chapel Hill, NC
- Lines: 35
-
- In article <1993Jan26.090645.18068@slcs.slb.com>, brydon@asl.slb.com (Harvey Brydon (918)250-4312) writes:
- > I am in a situation where I am evaluating hardware and software for our field
- > organization, including input device(s). On my mac and PC, I have a
- > trackball. By a longshot, I much prefer the mouse. [...]
- > After doing some serious "heads
- > down" word processing for a couple of weeks a few months back (with trackball
- > and mouse), I discovered that I was getting a repetitive stress injury (carpal
- > tunnel, whatever it's called) from the trackball, but not the mouse. I have
- > used light pen, tablet, mouse, trackball, keyboard for many years and never
- > had RSI before. It is quite definitely related to the trackball. I'll take a
- > mouse any day. One thing that is interesting is that I find I can use the
- > trackball on either side of the keyboard (either hand) but I almost have to
- > use the mouse with my right hand.
-
- Repetitive stress injury is not identical to carpal tunnel syndrome, the
- latter is just a particular common type of the former.
-
- My experience is that I have trouble with the mouse and repetitive stress
- injury, but not carpal tunnel -- my problem is tendinitis; I have to be
- very careful about how much I use the mouse so I don't inflame the tendon
- on my index finger from clicking the mouse button. I've had no trouble
- with keyboards for over 20 years, nor with trackballs, but the mouse
- encourages just the `wrong' movement for my hand.
-
- (Carpal tunnel syndrome is characterized by numbness and tingling,
- sometimes accompanied by shooting pain, not necessarily related to
- immediate use of the hand, and is associated with injury to the tissue
- surrounding one of the the nerves in the wrist and possibly to the nerve
- itself. Tendinitis is characterized by localized pain along the affected
- tendon, usually related to immediate use of the tendon, though once
- injured the tendon tends to take weeks to months to heal).
-
- Regardless, none of them is much fun :-(
-
- Bruce C. Wright
-