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BioMed Research International
Volume 2013 (2013), Article ID 471792, 9 pages
The StartReact Effect on Self-Initiated Movements
1Physical Medicine and Rehabilitation Department, Faculty of Medicine, Universidad Complutense de Madrid, C/Ciudad Universitaria S/N, 28040 Madrid, Spain
2National School on Occupational Medicine, Instituto de Salud Carlos III, C/Sinesio Delgado 4, 28029 Madrid, Spain
3Division of Rehabilitation, Aged Care and Allied Health, Repatriation General Hospital, Flinders University, Daw Park, SA 5043, Australia
4EMG Unit, Neurology Department, Hospital Clínic, Centro de Investigación Biomédica en Red sobre Enfermedades Neurodegenerativas (CIBERNED), Institut d’Investigacio Biomedica August Pi i Sunyer (IDIBAPS), Facultad de Medicina, Universitat de Barcelona, Calle Villarroel 170, 08036 Barcelona, Spain
Received 30 April 2013; Revised 17 July 2013; Accepted 1 August 2013
Academic Editor: Jean Blouin
Copyright © 2013 J. M. Castellote et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Table 1: EMG and kinematic values for trials in which subjects performed a fast reaction with a wrist extension or a fast wrist extension at will.
Table 2: Post-hoc analysis for selected comparisons of interest.
Fig. 1. Representative trials from a single subject for all conditions.
Fig. 2. Histogram of the temporal distribution of EMG latency for Action-time trials.
Fig. 3. Histogram of the temporal distribution of all EMG latencies for Action-SAS trials, and representative trials for the three types of Action-SAS trials.
Fig. 4. Distribution of all EMG latencies for those Action-SAS trials in which SAS was applied close before action execution.