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Is Motion Capture-Based Biomechanical Simulation Valid for HCI Studies?: Study and Implications
Max Planck Institute for Informatics, Germany.
Max Planck Institute for Informatics, Germany.ORCID iD: 0000-0002-1498-9062
2014 (English)In: Proc. ACM CHI Conference on Human Factors in Computing Systems, ACM Digital Library, 2014, 3215-3224 p.Conference paper (Refereed)Text
Abstract [en]

Motion-capture-based biomechanical simulation is a non-invasive analysis method that yields a rich description of posture, joint, and muscle activity in human movement. The method is presently gaining ground in sports, medicine, and industrial ergonomics, but it also bears great potential for studies in HCI where the physical ergonomics of a design is important. To make the method more broadly accessible, we study its predictive validity for movements and users typical to studies in HCI. We discuss the sources of error in biomechanical simulation and present results from two validation studies conducted with a state-of-the-art system. Study I tested aimed movements ranging from multitouch gestures to dancing, finding out that the critical limiting factor is the size of movement. Study II compared muscle activation predictions to surface-EMG recordings in a 3D pointing task. The data shows medium-to-high validity that is, however, constrained by some characteristics of the movement and the user. We draw concrete recommendations to practitioners and discuss challenges to developing the method further.

Place, publisher, year, edition, pages
ACM Digital Library, 2014. 3215-3224 p.
National Category
Computer Science
Research subject
Computer Science; SRA - E-Science (SeRC)
URN: urn:nbn:se:kth:diva-184823DOI: 10.1145/2556288.2557027ScopusID: 2-s2.0-84900425136ISBN: 978-1-4503-2473-1OAI: diva2:916918
ACM CHI Conference on Human Factors in Computing Systems

QC 20160408

Available from: 2016-04-05 Created: 2016-04-05 Last updated: 2016-04-08Bibliographically approved

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Palmas, GregorioWeinkauf, Tino
Computer Science

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