Glossary
Terms used in accessibility research and practice. Each entry has a definition, common aliases, and category tags.
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- Grasp Aperture(also: Hand Aperture, Finger Aperture)
- Grasp aperture is the distance between the thumb and opposing finger(s) as the hand opens to receive an object during a reach. It scales with perceived object size, peaks before contact at a value typically larger than the object itself, and then closes to grip - a well-studied…
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