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Methods for the measurement of plantar pressure are poorly defined particularly when describing sub-sections of the plantar surface of the foot in the presence of deformity. The aim of this study was to assess foot pressure measurement in healthy children, using an automatic technique of sub-area definition that has the potential for objective evaluation of treatment of foot deformity. Twelve healthy children were examined on three occasions. Plantar pressure data were collected and time synchronised with force plate and stereophotogrammetric data. The footprint was divided into five sub-sections by using the position of the markers on the foot at mid-stance projected onto the pressure footprint. Repeatability for peak pressure and peak force was assessed. Automatic sub-area definition based on marker placement was found to be reliable in healthy children. A comparison of results revealed that peak vertical force was a more consistent measure than peak pressure for each of the five sub-areas. This suggests that force may be a more appropriate measurement for outcome studies.

Original publication

DOI

10.1016/j.gaitpost.2004.10.004

Type

Journal article

Journal

Gait & posture

Publication Date

12/2005

Volume

22

Pages

372 - 376

Addresses

University of Oxford, Oxford, UK. julie.stebbins@ndos.ox.ac.uk

Keywords

Foot, Humans, Foot Deformities, Photogrammetry, Gait, Analysis of Variance, Reproducibility of Results, Biomechanics, Pressure, Reference Values, Automation, Adolescent, Child