Repetitive Strain Injury

Robert Rothenberg robrwo at
Wed Jan 17 15:51:56 GMT 2007

On 15/01/07 12:13 Merijn Broeren wrote:

> For me a normal mouse causes pain after prolonged use. Switching to a
> thumb trackball ten years ago has alleviated all problems....

I used to use a keyboards with a built-in trackball, which sat comfortably
on my lap.  It was so effective my boss got one for himself, and then his
boss got one...

Speaking of balls, I find that Chinese iron balls [1] regularly help with
RSI. A health and safety officer at a former employer was an advocate of
using them, and had a lovely collection of them on her desk.

[Should I expect subthread of puns about playing with my balls....?]

Well, it gives me something to do with my hands when I'm thinking. (You stop
to think while programming, right?)

Off Topic: Learning or adding keyboard shortcuts in place of using the mouse
will do wonders.


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