Article

ArchSpiral: An iPad-Based Digital Archimedean Spiral Assessment for Objective Motor Evaluation in Rare Diseases

2026-07-30

Abstract excerpt

<h4>Objectives</h4> We developed and evaluated ArchSpiral, an iPad application that digitizes the International Cooperative Ataxia Rating Scale (ICARS) spiral tracing task to address the need for portable rare disease assessment while preserving clinical scoring and generating quantitative digital biomarkers. <h4>Materials and Methods</h4> ArchSpiral (Swift/SwiftUI/PencilKit) captures Apple Pencil or finger trac...

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Literature Corpus work: 6e32d58c-2424-560d-8085-5944389c41fc
DOI: 10.64898/2026.07.27.26358872

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