Determining the centre of pressure during walking and running using an instrumented treadmill

G.J. Verkerke*, A.L. Hof, W. Zijlstra, W. Ament, G. Rakhorst

*Corresponding author for this work

Research output: Contribution to journalArticleAcademicpeer-review

49 Citations (Scopus)


In this paper, a new method of determining spatial and temporal gait parameters by using centre of pressure (CoP) data is presented. A treadmill is used which was developed to overcome limitations of regular methods for the analysis of spatio-temporal gait parameters and ground reaction forces during walking and running. The design of the treadmill is based on the use of force transducers underneath a separate left and right plate, which together form the treadmill walking surface. The results of test procedures and measurements show that accurate recordings of vertical ground reaction force can be obtained. These recordings enable a separate analysis of vertical ground reaction forces during double support phases in walking, and the analysis of changes in the centre of pressure (CoP) position during subsequent foot placements. From the CoP data, temporal gait parameters (e.g. duration of left/right support and swing phases) and spatial gait parameters (i.e. left/right step lengths and widths) can be derived.

Original languageEnglish
Pages (from-to)1881-1885
Number of pages5
JournalJournal of biomechanics
Issue number9
Publication statusPublished - 2005
Externally publishedYes


  • Centre-of-pressure
  • Gait analysis
  • Gait parameters
  • Treadmill
  • Vertical ground reaction force


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