Glossary
Terms used in accessibility research and practice. Each entry has a definition, common aliases, and category tags.
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- Gorilla Arm(also: Gorilla-arm effect, Gorilla arm syndrome)
- A well-documented ergonomic phenomenon in which sustained unsupported arm elevation — typical of mid-air touchscreen, vertical display, or extended reality (XR) gesture interaction — produces rapid shoulder fatigue, pain, and performance decline. The term captures the ache and…
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