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Marco J. Konings and Florentina J. Hettinga

of pacing behavior. 2 , 4 As shown before in observational and experimental studies, an opponent could be such an affordance, inviting exercisers to adjust their pacing behavior. 4 – 6 For example, the presence of a virtual opponent has been revealed to improve performance. 5 , 7 – 9 Moreover

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Anna Bjerkefors, Johanna S. Rosén, Olga Tarassova and Anton Arndt

is, 2 markers on each side of the transducers and 2 markers on each side of the flywheel rotation center to create virtual markers at the fixed points where the rope runs into the ergometer flywheel on each side. The transducers were connected to an amplifier (Type 5073; Kistler Instruments AG), and

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Jared R. Fletcher and Brian R. MacIntosh

method is based on the principle of virtual work, 2 which assumes that a constant force is applied to the tendon. A constant force will allow a constant tendon length, so the measured tendon excursion represents a true displacement. In vivo, it is assumed that when no external moment acts on the joint

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Sarah M. Coppola, Philippe C. Dixon, Boyi Hu, Michael Y.C. Lin and Jack T. Dennerlein

. Santa Monica, CA : Human Factors and Ergonomics Society . 2. Varcholik PD , LaViola JJ , Hughes CE . Establishing a baseline for text entry for a multi-touch virtual keyboard . Int J Hum Comput Stud . 2012 ; 70 : 657 – 672 . doi:10.1016/j.ijhcs.2012.05.007 10.1016/j.ijhcs.2012.05.007 3

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Logan A. Lucas, Benjamin S. England, Travis W. Mason, Christopher R. Lanning, Taylor M. Miller, Alexander M. Morgan and Thomas Gus Almonroeder

ecological validity (eg, athletes react to a virtual defender). 32 , 33 It is also important to note that our results may not generalize to more experienced athletes with greater expertise, as elite athletes may be better equipped to control their movement when there are temporal constraints on decision

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Jonathan D. Connor, Robert G. Crowther and Wade H. Sinclair

global body displacement of a rugby player . The International Journal of Virtual Reality, 8 ( 4 ), 31 – 36 . Brault , S. , Bideau , B. , Kulpa , R. , & Craig , C.M. ( 2012 ). Detecting deceptive movement: The case of the side-step in rugby . PLoS ONE, 7 ( 6 ), 37494 . doi:10

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, memory, and prediction. I will discuss these factors in the context of walking and interception tasks in both real and virtual environments. Keynote Speakers Keynote Speaker: Motor Development Infants’ actions broaden their mind Gustaf Gredebäck, University of Uppsala, Sweden Three suggestions are

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Lana M. Pfaff and Michael E. Cinelli

. Participants were outfitted with two rear-facing rigid bodies (one on the head and one on the right scapula), which were used as references for five digitized virtual markers (left and right ears, left and right glenohumeral joints, and the 10th thoracic vertebrae). The digitized points were used to calculate

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Fabiana Rodrigues Osti, Caroline Ribeiro de Souza and Luis Augusto Teixeira

& Science in Sports, 26 ( 3 ), 275 – 283 . PubMed doi:10.1111/sms.12423 10.1111/sms.12423 Eikema , D.J. , Hatzitaki , V. , Tzovaras , D. , & Papaxanthis , C. ( 2012 ). Age-dependent modulation of sensory reweighting for controlling posture in a dynamic virtual environment . Age, 34 ( 6