How My Pinky Problem Became Musician’s Focal Dystonia: An 8-Year Record from a Guitarist

by

Direct answer: Medically, musician’s focal dystonia is generally not viewed as having a single cause: a research review suggests it may result from a genetic predisposition interacting with intrinsic and extrinsic triggers (Altenmüller & Jabusch, 2010). Looking back at my eight years, the pinky problem was only the starting point. On top of that came poor left-hand mechanics, compensation that showed up in about four days in 2019, dropping the pinky and switching to three-finger playing in a band, and high-pressure practice. This is my personal retrospective, not a medical conclusion.

Medical information in this article is cited to its sources; the “author’s experience” sections are my personal experience and understanding, not medical advice, and cannot replace a doctor’s diagnosis.

What is musician’s focal dystonia

Musician’s focal dystonia is the loss of voluntary motor control that is task-specific to highly trained instrumental movements (Altenmüller & Jabusch, 2010). The DMRF describes it as a neurological disorder whose symptoms usually appear when playing an instrument and generally do not affect other activities (DMRF). NINDS classifies “musician’s dystonia” as a task-specific dystonia—one that appears only during certain repetitive actions (NINDS).

Experts estimate that about 1% of professional musicians are affected (DMRF). A research review notes that its pathophysiological mechanisms are still unclear (Altenmüller & Jabusch, 2010); MedlinePlus mentions that researchers think dystonia may involve problems in the parts of the brain that process signals for muscle contraction, and that there is currently no cure (MedlinePlus).

How research views the causes of musician’s dystonia

In their 2010 literature review, Altenmüller and Jabusch summarize several points (Altenmüller & Jabusch, 2010):

  • Instruments that demand the finest motor skill carry higher risk for musicians;
  • On instruments with unequal workload between the hands, dystonia more often appears in the more heavily used hand;
  • Psychological studies have found more perfectionist tendencies in musicians with dystonia than in healthy musicians; the review authors suggest behavioral factors may play a role in onset;
  • Genetic factors may play a larger role than previously estimated.

The DMRF also notes that up to 25% of patients have a family history of dystonia; the guitar is one of the three instruments most often linked to musician’s dystonia, and guitarists’ symptoms can appear in either hand (DMRF). These are population-level findings; they cannot be used to determine the cause in any one person.

Author’s experience: my 8-year record

First, who I am

I am a guitarist from Hong Kong. I have played guitar for more than twenty years, mainly metal, self-taught, never studied with a teacher—so I carry a lot of “street” habits. I was formerly a member of the Hong Kong indie band asurababy (阿修羅寶寶).

My left hand was diagnosed with focal dystonia (FD below). From 2018 to 2026, this has been with me for about eight years. I have no medical degree; everything below is what I have put together myself as a guitarist and a patient while relearning how to play.

Layer one: the pinky problem, plus bad mechanics

It started with my left-hand pinky (little finger). What really kept the problem going was my whole left-hand mechanics at the time:

  • Wrist flexed close to 90 degrees;
  • Elbow flared out;
  • Often flinging the motion out by momentum instead of controlling each note.

Looking through my own five-step model (intention: what sound I want; computation: deciding position and how to apply force; execution: the muscles that should fire do fire, the ones that should not stay relaxed; calibration: comparing the result with the goal; memory: turning the result into habit—see Guitarist’s focal dystonia in 5 steps), I think that when the brain computes a movement, it tends to find the most effort-saving way to meet the intention. When wrist and elbow angles are already unreasonable, the brain can only hunt for “most effort-saving” under bad conditions—and over time that becomes the default. This is my personal model, not a proven medical mechanism.

2019: in about four days, compensation appeared

In 2019, compensation showed up within about four days. As I understand it, compensation is when muscles that should stay quiet do not shut off, and the brain recruits other muscles to get the movement done.

I used to think compensation was the body protecting itself; I no longer see it that way. I treat compensation as a reminder—as if the body were saying, “Hey, stop a second and think.” The problem was that when the reminder appeared, I still pushed through; early on I even actively used it. In my experience, the brain then logged that pattern as “correct,” and later it became very hard to change. I write about this in more detail in Compensation is a reminder, not protection.

Dropping the pinky, switching to three-finger playing: what I see as the main trigger

Later, in a metalcore band, I simply dropped the pinky and played with three fingers. Looking back, that is what I see as the main trigger.

As I understand it now, that moment did not fix the problem. It stacked a new habit on top of computation and execution that were already wrong, to work around them.

Then stacking on high-pressure practice

The last layer was high-pressure practice. At the extreme, I could practice 16 hours a day.

I later broke my own practice factors into four: write speed (how fast I learn new material), sensory sensitivity (how sharp body sensation is), heat capacity (how long I can stay focused), and debugging ability (whether I can find where the real problem is). I rate myself high on the first three: I learn songs quickly, I can figure out why something will not come out, and I can focus for long stretches—but debugging ability is low. When the first three are high, I ignore the body’s warning signals, push through compensation to get the note out, and other people may not even hear anything wrong. Add insufficient rest, age, and pressure, and the causal chain connected.

To stress: this is my own causal story, not the cause for every patient.

What happened afterward

After onset, my fingers would involuntarily straighten or clamp shut, and playing could not continue. I group what I ran into into three kinds—execution failure, computation chaos, and intention amnesia—in When fingers curl or straighten out of control.

Relearning was not a three-week project either. For roughly the first eight months I did aimless slow practice; progress only sped up after I found a possible way to change. Why slow practice alone is not enough is in Why slow practice alone is not enough.

8-year retrospective video

I edited practice and performance clips from 2018 to 2026 into one retrospective video. There is no voice-over—only text cards over footage from those years, laying out the path from start to finish.

Friends in mainland China can watch the Bilibili version: https://www.bilibili.com/video/BV1nbep6HErP

For a broader introduction to FD first, see “A few things about focal dystonia”: YouTube version｜Bilibili version.

Author channels: YouTube（@kwokyinchoi7380）｜Bilibili（yooyoyoyoy）

When to see a neurologist

The DMRF notes that a neurologist trained in movement disorders (a movement disorder specialist) is usually the most appropriate doctor for diagnosing and treating musician’s hand dystonia (DMRF). Diagnosis is generally based on physical and neurological examination, personal and family history, and tests to rule out similar conditions (NINDS).

Before an appointment, I suggest preparing the following:

  • Video of playing when symptoms appear, and video of the same hand doing other everyday actions;
  • Whether symptoms appear only while playing, or also in daily life;
  • Whether symptoms are more obvious when tense or tired—NINDS notes that early symptoms may be noticeable only at those times (NINDS);
  • Whether anyone in the family has dystonia, because doctors take personal and family history into account (NINDS).

The DMRF also notes that the first signs of musician’s dystonia are failures of nearly automatic playing ability, and that musicians may mistake early symptoms for technique problems or inadequate preparation (DMRF).

My suggestion: do not be afraid to seek care, and do not rush yourself into panic. If you are only curious, you can film yourself first and look at the movement; if you suspect a hand problem, get it checked; if daily life is already affected, stop digging online—book an appointment, bring your videos, and ask a doctor or therapist. The worst outcome is misjudging the situation until a non-problem becomes a real one.

FAQ

If the pinky has a problem, will it necessarily become dystonia?

Not necessarily. A research review suggests musician’s dystonia may involve a genetic predisposition interacting with multiple triggers (Altenmüller & Jabusch, 2010). In my case, the pinky issue, bad mechanics, compensation, switching to three-finger playing, and high-pressure practice stacked together; everyone’s situation is different. If you have questions, see a neurologist for an assessment.

Is switching to three-finger playing always wrong?

I cannot draw a conclusion for everyone. I can only say that in my case it was working around the problem with a new habit rather than correcting it, and looking back I see it as the main trigger.

Does the retrospective video include narration?

No voice-over—only text cards with practice and performance clips. The thinking behind each node is written separately in other articles in this series; you can start with Guitarist’s focal dystonia in 5 steps.

Sources

Leave a Comment