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Haptic Manipulation of Objects on Multitouch Screens: Effects of Screen Elevation, Inclination and Task Requirements on Posture and Fatigue

Authors:
Samantha Scotland
Shwetarupalika Das
Thomas Armstrong
Bernard Martin

Keywords: Natural gestures; finger movements; wrist posture; discomfort

Abstract:
Application of multi-touch screen interfaces is desired by manufacturers of measuring instruments to follow the current trend of consumer products. This study is a first approach to determine the influence of screen location and orientation on upper limb movements and posture. Neck and wrist posture, as well as finger movements and subjective perception of discomfort were evaluated in simple tasks simulating the placement and scaling of objects using a multi-touch interface placed on a computer screen of the same size. The results show that wrist and neck postures are generally affected by an interaction between screen height and inclination. They also suggest that precision requirements associated with measuring instruments may not be compatible with simple transfer of manipulation methods from consumer products.

Pages: 299 to 302

Copyright: Copyright (c) IARIA, 2013

Publication date: February 24, 2013

Published in: conference

ISSN: 2308-4138

ISBN: 978-1-61208-250-9

Location: Nice, France

Dates: from February 24, 2013 to March 1, 2013