Investigating How Smartphone Movement is Affected by Body Posture
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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 findings to inform the development of mobile user interfaces.
Eardley, R., Roudout, A., Gill, S. and Thompson, S. ‘Investigating How Smartphone Movement is Affected by Body Posture’ in the proceedings of ACM CHI 2018 Montreal, Canada, April 21-26, 2018
Cardiff Metropolitan University (Grant ID: Cardiff Metropolian (Internal))
- User Centred Design 
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