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Investigating How Smartphone Movement is Affected by Body Posture

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Original languageEnglish
Title of host publicationProceedings of the Conference on Human Factors in Computing Systems (CHI 2018)
Publisher or commissioning bodyAssociation for Computing Machinery (ACM)
ISBN (Electronic)978-1-4503-5620-6
DateAccepted/In press - 14 Dec 2017
DateE-pub ahead of print (current) - 21 Apr 2018
Event2018 CHI Conference on Human Factors in Computing Systems, CHI EA 2018 - Montreal, Canada
Duration: 21 Apr 201826 Apr 2018


Conference2018 CHI Conference on Human Factors in Computing Systems, CHI EA 2018
Internet address


We present an investigation into how hand usage is affected by different body postures (Sitting at a table, Lying down and Standing) when interacting with smartphones. We theorize a list of factors (smartphone support, body support
and muscle usage) and explore their influence the tilt and rotation of the smartphone. From this we draw a list of hypotheses that we investigate in a quantitative study. We varied the body postures and grips (Symmetric bimanual,
Asymmetric bimanual finger, Asymmetric bimanual thumb and Single-handed) studying the effects through a dual pointing task. Our results showed that the body posture Lying down had the most movement, followed by Sitting at
a table and finally Standing. We additionally generate reports of motions performed using different grips. Our work extends previous research conducted with multiple grips in a sitting position by including other body postures, it is anticipated that UI designers will use our results to inform the development of mobile user interfaces.


2018 CHI Conference on Human Factors in Computing Systems, CHI EA 2018

Duration21 Apr 201826 Apr 2018
Web address (URL)
SponsorsACM SIGCHI (External organisation)

Event: Conference

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