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Glossary Investigation

Scratch collapse test

Polski: Test scratch collapse Czytaj po polsku →

Also known as scratch collapse test SCT

A provocative test described by Cheng and Mackinnon in 2008 in which scratching skin over a compressed nerve produces transient loss of resisted shoulder external rotation. Original sensitivity ~64% has not been replicated under blinded conditions; not recommended as a sole diagnostic test.

Articles mentioning this term

  1. FESSH preparation

    Carpal tunnel syndrome

    Expert review of carpal tunnel syndrome for FESSH candidates and consultant peers — anatomy, diagnosis, AAOS 2024 guideline, surgical controversies, recurrent CTS workup. Vancouver-cited.

  2. Expert blog

    Zespół cieśni nadgarstka — przegląd kliniczny

    Współczesna synteza zespołu cieśni nadgarstka: anatomia, wytyczne AAOS 2024, kontrowersje chirurgiczne, diagnostyka choroby nawrotowej. Artykuł ekspercki dla chirurgii ręki.

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