The effect of footwear and footfall pattern on running stride interval long-range correlations and distributional variability

Joel T. Fuller, Avelino Amado, Richard E A van Emmerik, Joseph Hamill, Jonathan D. Buckley, Margarita D. Tsiros, Dominic Thewlis

Research output: Contribution to journalArticleResearchpeer-review

Abstract

The presence of long-range correlations (self-similarity) in the stride-to-stride fluctuations in running stride interval has been used as an indicator of a healthy adaptable system. Changes to footfall patterns when running with minimalist shoes could cause a less adaptable running gait. The purpose of this study was to investigate stride interval variability and the degree of self-similarity of stride interval in runners wearing minimalist and conventional footwear. Twenty-six trained habitual rearfoot footfall runners, unaccustomed to running in minimalist footwear, performed 6-min sub-maximal treadmill running bouts at 11, 13 and 15 km·h-1 in minimalist and conventional shoes. Force sensitive resistors were placed in the shoes to quantify stride interval (time between successive foot contacts). Footfall position, stride interval mean and coefficient of variation (CV), were used to assess performance as a function of shoe type. Long-range correlations of stride interval were assessed using detrended fluctuation analysis (α). Mean stride interval was 1-1.3% shorter (P = 0.02) and 27% of runners adopted a midfoot footfall (MFF) in the minimalist shoe. There was a significant shoe effect on α and shoe*speed*footfall interaction effect on CV (P < 0.05). Runners that adopted a MFF in minimalist shoes, displayed reduced long-range correlations (P < 0.05) and CV (P < 0.06) in their running stride interval at the 15 km·h-1 speed. The reduced variability and self-similarity observed for runners that changed to a MFF in the minimalist shoe may be suggestive of a system that is less flexible and more prone to injury.

LanguageEnglish
Pages137-142
Number of pages6
JournalGait and Posture
Volume44
DOIs
Publication statusPublished - 1 Feb 2016
Externally publishedYes

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Keywords

  • Detrended fluctuation analysis
  • DFA
  • Dynamic systems theory
  • Long-range correlation
  • Minimalist

Cite this

Fuller, Joel T. ; Amado, Avelino ; Emmerik, Richard E A van ; Hamill, Joseph ; Buckley, Jonathan D. ; Tsiros, Margarita D. ; Thewlis, Dominic. / The effect of footwear and footfall pattern on running stride interval long-range correlations and distributional variability. In: Gait and Posture. 2016 ; Vol. 44. pp. 137-142.
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The effect of footwear and footfall pattern on running stride interval long-range correlations and distributional variability. / Fuller, Joel T.; Amado, Avelino; Emmerik, Richard E A van; Hamill, Joseph; Buckley, Jonathan D.; Tsiros, Margarita D.; Thewlis, Dominic.

In: Gait and Posture, Vol. 44, 01.02.2016, p. 137-142.

Research output: Contribution to journalArticleResearchpeer-review

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