This is the best summary I could come up with:

In his diaries, Glenn Gould, known for contorted body postures at the keyboard, described symptoms in his left hand and arm as if writing the definitive dystonia textbook.

The precise movements characterising the muscle actions of archers (target panic), tap dancers, runners, hairdressers, golfers (the yips), musicians and computer programmers are found among people living with dystonia.

Here’s what I remember most about my experience of dystonia: a pervasive feeling of fatigue, strange sensations of detachment from my hand, like a phantom limb; unexplained bouts of nervousness; vague anger; a bloating pain, as if my stomach was lodged permanently in my throat.

For musicians, relying on changes in body positions to correct dystonia in the hand, for instance, can alter playing technique in ways that can be difficult to reverse over time.

A recovered sufferer of embouchure dystonia, defined by muscle spasms in the jaw, Détári’s academic work focuses on the prevention side, an area in which the medical profession remains silent.

Sounds collected by the ear scatter like fairy dust into the auditory somatosensory loop and reconfigure, some musicians will say, as colours, or work their way into the breath, or into physical sensations deep in the core.

The original article contains 3,601 words, the summary contains 199 words. Saved 94%. I’m a bot and I’m open source!

I’m thinking this may be what I’m experiencing. I practice so often that my hands stop working or my brain forgets what I’m doing and how.