Small muscles in the hand, pianos, keyboards, and RSI



I just discovered today that there are some tiny muscles directly in the hand itself (apart from the
obvious adductors). I had previously thought that almost all hand movement was produced by muscles
in the forearm, but apparently these little muscles are used, too.

It appears that development and coordination of these small muscles can be very useful in playing
the piano. That led me to wonder if they might also assist in typing, either with improving speed or
with improving accuracy. Also, it seems to me that if these muscles can be favored when typing, the
incidence of wrist-related RSI could be greatly reduced.

What do you all think? Has anyone done research on this? Are there practical exercises that could be
used to favor the use of these muscles when typing so as to improve typing performance and accuracy
and reduce the risk of RSI?

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