Individual differences and similarities in the stability, timing consistency, and natural frequency of rhythmic coordinated actions

Getchell, Nancy, Forrester, Larry and Whitall, Jill (2001) Individual differences and similarities in the stability, timing consistency, and natural frequency of rhythmic coordinated actions. Research Quarterly for Exercise and Sport, 72 (1), 13-21. (doi:10.1080/02701367.2001.10608927). (PMID:11253315)

Record type: Article

Abstract

Under preferred speed conditions, 15 adults undertook bimanual in-phase and antiphase tapping, clapping, galloping, galloping while clapping, and crawling on their hands and feet. We measured stability of interlimb coordination (standard deviation of mean interlimb relative phasing), single limb timing consistency (coefficient of variation of mean single limb cycle durations), and natural limb frequency. Pearson product-moment correlations among tasks established that only the natural limb frequencies were significantly correlated (specifically among gross motor actions in which larger contributions of inertial loads contribute to natural frequencies). Intraclass correlations were high for tasks, meaning that within each task, all participants performed similarly. Thus, only frequency has a tendency to show a common time-based process within a participant, but common time-based processes exist between participants

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