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Comment by jahewson | Hacker News Reader

I suspect you’re right. I very much enjoyed the Magic Mouse but had similar issues with wrist discomfort. The neutral position of the human wrist is vertical - thumb pointing up as if shaking hands with someone. The Magic Mouse is so low-profile that it forces the wrist into an almost 90deg rotation. Ergonomically, it’s highly problematic.

The solution for me was to switch to a vertical mouse (well, almost) that allows the wrist to remain neutral. Because I missed the gestures I added a Magic Trackpad on the left side of my keyboard. Of course this suffers from the same ergonomic problem but I only reach for it sporadically so the impact is minimal.

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Tried the vertical mouse, but no help. My wrist seems to be permanently fucked. I use a trackpad 100% now, no problems.

My 2 cents: I had rsi, then I started bouldering. At first I got more pain. The original rsi, but also the 'forearm pump'. But then after maybe half a year the pain dissappeared. Not just the new pain, but the old pain as well.

Building strength seems to help with all sorts of pain issues. I once banged up my arm pretty good in a fall; what helped was going to the gym and doing curls and extensions with whatever the arm could support: five pounds, ten pounds, whatever.

Blood flow is the most likely explanation there. The simple act of activating those muscles forces blood flow, which can often be restricted in a healing area. Same reason we apply warmth to an area and encourage light massage.

It's like the body reaches a false equilibrium in which the injury doesn't heal completely unless you "knock it out" of the equilibrium again.

From personal experience: if you have mild pain from past injury/strain, don't give up on trying to fix it. Move a lot, improve your muscle strength and try to stimulate circulation. Be careful not to repeat the injury, but don't avoid the pain altogether (eg. by reducing the amount of movement). It's possible that the pain will improve or disappear, even if your injury didn't heal by itself for years.

(Oh, and go see a physiotherapist a couple of times if you haven't already.)

A lot of “injuries” we have can be fixed with exercise.

This is why a lot of what PT’s do is teach you simple exercises to work ALL of your muscles, including those that might not get activated in our day to day existence, leading to problems.

Me too posts are frowned upon on HN, but vote counts are hidden so I'll say for others: me too. I developed RSI as a teen from spending too much time at a desk with bad posture and have dealt with flare-ups into my adulthood. They were miserable and some days I had to take off work. Once I started bouldering, it went away within months. It's probably the forced blood flow in the area, but whatever it was helped tremendously. I can still hurt my wrist if I type in a terrible position, but it only hurts a bit and doesn't turn into the sustained RSI I had.

I had always a sneaking suspicion that my RSI pain is psychologically triggered, as when I was in a bad mood my fingers didn’t “want to” be worked with. After reading similar comments on HN I grow more skeptical of this over time, which lead me to disbelieving it’s a real pain and not a psychologically caused one.

I use my fingers on keyboards all day long. Body adapts and grows stronger with use, it doesn’t get more and more vulnerable. After I realized this it went away. Now I can use them 15h/day with 4.5h/day sleep with no problems.

A vertical mouse was a game changer for my RSI. Stopped it in it's tracks.

Why don’t you put the trackpad vertically?

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