Observational study identifies finger movement deficits in writer's cramp, suggesting targeted therapy can help.
In this multi-component analysis of manual dexterity, reduced selectivity of finger movements was identified as the main behavioural mechanism (deficit) in writer's cramp, associated with writing speed. In contrast, force control and tapping speed were unaffected. Selective finger activation can be improved with therapy targeting dextrous finger movements.
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Bleton et al. (2026) studied this question.
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