It seems some people find that not having to move the arms makes up for hand contortions. But you’re right, the article conclusion is that “First of all, the r

It seems some people find that not having to move the arms makes up for hand contortions. But you’re right, the article conclusion is that “First of all, the reduced distances will increase speed, (...) If it turns out that 40% keyboards can reduce Repetitive Strain Injury or R.S.I. (...)” Anyway, I think touch typing helps in all fronts. The alternative is not just slower typing, it also adds a mental load that can only distract from the thinking.