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Updated: Jun 6, 2026
05:42
An Assessment Method and Toolkit to Evaluate Keyboard Design on Smartphones
Published on: October 5, 2020
User-centered design and evaluation of a next generation fixed-split ergonomic keyboard.
Hugh E McLoone1, Melissa Jacobson, Chau Hegg
1Microsoft Corporation, Redmond, WA, USA. hughmcloone4@gmail.com
Work (Reading, Mass.)
|November 25, 2010
Summary
New ergonomic keyboard designs can improve comfort and reduce strain. This study refined fixed-split ergonomic keyboards, enhancing features like lateral inclination and key layout for better user experience and reduced musculoskeletal risk.
Area of Science:
- Ergonomics
- Human-Computer Interaction
- Musculoskeletal Health
Background:
- Ergonomic keyboards, specifically fixed-split designs, are known to alleviate pain and prevent musculoskeletal disorders.
- Continuous improvement of keyboard design is crucial for user well-being and productivity.
Purpose of the Study:
- To evaluate specific design features of fixed-split ergonomic keyboards.
- To identify potential improvements for enhanced user comfort and reduced physical strain.
Main Methods:
- Thirty-nine adult users of fixed-split ergonomic keyboards participated in three studies.
- Evaluated keyboard lateral inclination, wrist rest height, slope, and a novel "gull-wing" key layout using non-functional models and a functional prototype.
Main Results:
- Increased lateral inclination (8° to 14°), a 10 mm higher wrist rest, and varied slope settings were preferred.
- A new gull-wing key layout was favored by participants.
- Design modifications reduced forearm pronation and wrist extension without negatively impacting typing speed.
Conclusions:
- Iterative, user-centered research effectively improved the fixed-split ergonomic keyboard design.
- Optimized ergonomic keyboard features can lead to significant reductions in physical strain.
- User feedback is vital for developing effective and comfortable computer peripherals.
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