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Citation |
Caballero C, Barbado D, Moreno FJ. J. Mot. Behav. 2015; 47(6): 550-562. |
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Affiliation |
a Centro de Investigación del Deporte , Universidad Miguel Hernández , Elche , Alicante , Spain. |
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Copyright |
(Copyright © 2015, Informa - Taylor and Francis Group) |
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DOI |
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PMID |
26016403 |
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Abstract |
The authors' aim was to determine which variables allow for the characterization of motor balance behavior. Traditional measures and nonlinear measures of center of pressure (COP; n = 30) and kinematics (n = 10) were tested in their absolute and relative consistency in a 30-s standing balance task protocol under stable and unstable conditions. Regarding COP variables, mean velocity (mVel), permutation entropy (PE) and detrended fluctuation analysis (DFA) exhibited high consistency between trials and ranked individuals more accurately compare with other metrics. In the kinematic signal mVel, PE and DFA had good intrasession reliability values in unstable conditions. Overall, the intrasession reliability values were better in the unstable condition than in the stable condition and the measures calculated using derived data had better intrasession reliability values. In conclusion, mVel, PE, and DFA allow for the good characterization of motor balance behavior in a simplified protocol where velocity time series are analyzed. Language: en |