Running speed-induced changes in foot contact pattern influence impact loading rate

Bastiaan Breine, Philippe Malcolm, Samuel Galle, Pieter Fiers, Edward C. Frederick, Dirk De Clercq

Research output: Contribution to journalArticle

Abstract

Purpose. We aimed to determine the effect of speed-induced changes in foot contact patterns on the vertical instantaneous loading rate (VILR). We hypothesized that transition runners, i.e. runners that shift towards a mid- (MF) or forefoot contact pattern (FF) when running speed increases, show smaller increases in VILR than non-transition runners, i.e. runners that remain with a rearfoot contact pattern (RF). Methods. Fifty-two male and female runners ran overground at 3.2, 4.1, 5.1 and 6.2 m s−1. Ground reaction forces, lower limb sagittal plane knee and ankle kinematics and plantar pressures were recorded. Multi-level linear regression models were used to assess differences between transition and non-transition runners. Results. Non-transition runners experienced larger speed-induced increases in VILR (48.6 ± 2.6 BW s−1 per m s−1) than transition runners (–1.4 ± 7.6 BW s−1 per m s−1). Transition runners showed higher VILRs and a more flat foot touch down at the same pre-transition speed than non-transition runners. Conclusion. When running speed increases, some runners transition towards more anterior foot contact patterns. This reduces or even eliminates the speed-induced increase in VILR. This result is especially the case for those RF runners who already have relatively high VILRs and flat foot positioning at slower running speeds.

Original languageEnglish (US)
JournalEuropean Journal of Sport Science
DOIs
StateAccepted/In press - Jan 1 2018

Fingerprint

Flatfoot
Foot
Linear Models
Touch
Biomechanical Phenomena
Ankle
Lower Extremity
Knee
Pressure

Keywords

  • Biomechanics
  • injury and prevention
  • kinetics

ASJC Scopus subject areas

  • Orthopedics and Sports Medicine
  • Physical Therapy, Sports Therapy and Rehabilitation

Cite this

Running speed-induced changes in foot contact pattern influence impact loading rate. / Breine, Bastiaan; Malcolm, Philippe; Galle, Samuel; Fiers, Pieter; Frederick, Edward C.; De Clercq, Dirk.

In: European Journal of Sport Science, 01.01.2018.

Research output: Contribution to journalArticle

Breine, Bastiaan ; Malcolm, Philippe ; Galle, Samuel ; Fiers, Pieter ; Frederick, Edward C. ; De Clercq, Dirk. / Running speed-induced changes in foot contact pattern influence impact loading rate. In: European Journal of Sport Science. 2018.
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