Identification and characterisation of heel strike transient

Federica Verdini, M. Marcucci, M. G. Benedetti, T. Leo

Research output: Contribution to journalArticle

Abstract

This study set out to ascertain the incidence of a heel strike transient (HST) and to verify whether modifications of muscle activation time could be correlated with the presence and the characteristic of a HST. Lower limb kinematics, kinetics and surface electromyography (SEMG) of normal subjects were examined during barefoot walking. A short-lived sharp HST was present in 76% of the trials while a smooth HST, of longer duration was seen in 13.3% of the trials. The transient phenomenon was absent in the remaining 10.7% of trials. The SEMG showed that alteration in the activation timing of muscles correlated with the presence of a HST.

Original languageEnglish
Pages (from-to)77-84
Number of pages8
JournalGait and Posture
Volume24
Issue number1
DOIs
Publication statusPublished - Aug 2006

Keywords

  • Heel strike transient
  • Impulsive loads
  • Quadriceps
  • Wavelet transform

ASJC Scopus subject areas

  • Orthopedics and Sports Medicine

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