focal-dystonia 13 Nov 2026

Nora Krohn on Focal Dystonia: Route A and Route B — a New Way to Learn Movement

Nora Krohn explains the fundamental principle of recovery from musician's focal dystonia by replacing old movement patterns ("Route A") with new, physically logical patterns ("Route B"). It describes why the original pathway is unstable, how the brain responds to change, and why new logical movement patterns are more reliable, safer, and integrated into everyday life.

Illustration of two paths symbolizing Route A and Route B, where Route A ends at a stop sign and Route B continues smoothly to the destination, representing the transition to a new, healthy movement pattern in recovery from focal dystonia. Created by Chat GPT

In this article, Nora Krohn presents a key principle of recovery from musician's focal dystonia: replacing an old, dysfunctional movement pattern ("Route A") with a new, physically logical and stable pattern ("Route B"). This concept is essential for anyone trying to restore healthy movement while playing stringed instruments.

1. Route A and Route B - two routes to the same destination

Nora compares playing to traveling by car to a familiar place. "Route A" is the route we know by heart - a common technique we've used for years. But with dystonia, this path begins to fail: instead of a smooth ride, we encounter obstacles or "accidents".

Route B represents a completely different way of moving that leads to the same musical result, but uses a different neurological map. This new way is based on physical logic – that is, on principles that correspond to how the body naturally moves in everyday life.

2. Physical logic as the basis of a healthy playing

Through her work with Sophie Till, Nora gradually realised that a technique based on physical logic is not just an alternative - it is actually more effective than the original Route A. By using logical, natural brain movements, she gets a clear and reliable map. That's why these new patterns take hold just like normal everyday skills: brushing your teeth, walking or tying shoelaces.

Nora points out that the old system fell apart precisely because it was not physically logical. Even if Route A could be restored, it wouldn't make sense - it was an unstable, laborious and unnatural route.

3. How to learn Route B step by step

The Route B teaching process consists of the so-called "blueprint experiences" - i.e. reference experiences. For example, it is practiced with the opposite hand or with other objects so that the brain receives clear information about the correct movement. Only then are these principles transferred to the affected arm during play.

The construction of Route B takes place in small parts, gradually, logically and comprehensibly. And because it leans on the body with familiar movements, it integrates faster than you might think.

4. Why the brain keeps going back to Route A

Nora points out that even when we start building Route B, the brain often goes back to the old way. It's natural—it's a deeply ingrained habit. This can happen especially when the brain does not see a clear alternative to achieving a musical goal (for example, double keys, octaves, or a certain challenging passage).

However, by gradually strengthening Route B, these returns will become less frequent and less problematic.

5. Is it necessary to stop playing completely?

Many people wonder if they need to stop playing completely during recovery so they don't reinforce bad patterns. Nora replies that it's usually not necessary. But without building a strong sense of Route B, it is difficult to reach the goal without "accidents" - that is, without the return of dystonic manifestations.

The key is consistency, slow reconstruction of the new system and conscious avoidance of old, ineffective movement strategies.