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John Tan

John Tan

NIE-Nanyang Technological University, Singapore

Title: The effect of functional foot stability on running gait

Biography

Biography: John Tan

Abstract

It is believed that the flat and high arched feet are structurally mal-aligned and exhibit gait deviations compared to normal arched feet. These deviations are believed to be the precursors to running related foot injuries. However, current literature investigating the relation between foot structure and running gait pattern have been inconclusive. We hypothesized that good functional foot stability can reduce these gait deviations; thereby reduce the risk of running related foot injuries. The effect of foot structure and functional stability on running gait pattern of the foot has not been studied. Therefore, the aim of this study is to determine the effect of functional foot stability on running gait pattern. 69 subjects (age=30.6±7.29) who were asymptomatic had their foot structure and functional foot stability assessed. The foot structures were assessed with foot posture index scores and the foot stability with modified Romberg’s test. Kinematic and kinetic running gait variables (such as rear foot eversion, mid foot dorsiflexion, maximum vertical ground reaction force and loading rate) were recorded while subjects ran barefooted on an instrumented treadmill. The results showed that foot with higher foot posture index scores (more flat-footed) ran with greater rear foot eversion, mid foot dorsiflexion and weight acceptance rate whereas, foot with better foot stability ran with lower rear foot eversion.

Recent Publications

  1. Ho M and Tan J (2015) The effect of taping on foot structure, functional foot stability and running gait patterns of the foot. Journal of Sports Science; http://www.davidpublishing.com, 3: 1-12.

  1. Kim W, Joao F, Tan J, Mota P, Vleck V, Aguiar L and Veloso A (2013) The natural shock absorption of the leg spring. Journal of Biomechanics; 46(1): 129-136.

  1. Wangdo Kim, John Tan, Antonio Veloso, Veronica Vleck, Arkady S Voloshin (2011) The natural frequency of the foot-surface cushion during the stance phase of running. Journal of Biomechanics; 44(4): 774-779.