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  • Title: Stability and the time-dependent structure of gait variability in walking and running.
    Author: Jordan K, Challis JH, Cusumano JP, Newell KM.
    Journal: Hum Mov Sci; 2009 Feb; 28(1):113-28. PubMed ID: 19042050.
    Abstract:
    Participants were asked to walk and run continuously (5 min trials) at speeds associated with preferred gait transition speeds. During slow running the local dynamic stability of the head was decreased compared with fast walking, with the reverse being true for the local dynamic stability of the ankle. The standard deviation of relative phase of the knee and ankle also was greater during slow running than fast walking. These findings for stability were mirrored in the detrended fluctuation analysis of the peak to peak interval of the head and ankle. Taken collectively these results support the proposition that larger long range correlations in the stride interval are associated with decreases in measures of stability.
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