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Ergonomics

Sore shoulders? Concertina elbow flaring up? Idea for a concertina improvement or modification?

162 topics in this forum

  1. Physical Therapy For Abused Concertina Wrist

    By Craig Wagner,
    • 2 replies
    • 4.5k views

  2. Welcome!

    By goran rahm,
    • 8 replies
    • 5.7k views
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